Merge branch 'jeroenrnl-SBR'

This change adds
- SBR rails. For now only SBR16
- The bearing block that goes with it (SBR16UU)
- An 'open' linear bearing (LM16UUOP) that is used by the bearing block
- A 28mm circlip that has a wider opening than then normal circlip.
(circlip_28iw)

CHANGELOG.md

@@ -3,6 +3,168 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+#### [v21.5.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.5.0...v21.5.1 "diff with v21.5.0")
+*   2023-06-29 [`5899ffe`](https://github.com/nophead/NopSCADlib/commit/5899ffe88f7952108ce928a5a6188b4aad5044c5 "show commit") [C.](# "Chris") More typos in comments.
+
+*   2023-06-28 [`b051311`](https://github.com/nophead/NopSCADlib/commit/b05131145caf500cd9198b1e9b9fafc69506b50f "show commit") [C.](# "Chris") Comment typo.
+
+### [v21.5.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.4.1...v21.5.0 "diff with v21.4.1")
+*   2023-05-08 [`c3f3d62`](https://github.com/nophead/NopSCADlib/commit/c3f3d629b1ff79d40cc5ad3efcb33e940d6c8056 "show commit") [C.P.](# "Chris Palmer") Added PanelDue V3.
+
+*   2023-05-08 [`c7ba052`](https://github.com/nophead/NopSCADlib/commit/c7ba052ccf24d764aa6460d4559e92596c9e4cf4 "show commit") [C.P.](# "Chris Palmer") Added SMD QFP package.
+
+*   2023-05-08 [`c2c5f50`](https://github.com/nophead/NopSCADlib/commit/c2c5f509860b909ca8fca5ffcc65dbef2f7177c5 "show commit") [C.P.](# "Chris Palmer") Can now used `smd_res()` to draw chokes.
+
+*   2023-05-08 [`d0ae8ca`](https://github.com/nophead/NopSCADlib/commit/d0ae8ca216108f53c9b8e60896ea9b59b845b7e0 "show commit") [C.P.](# "Chris Palmer") Added the ability to have more than one grid on a PCB.
+
+*   2023-05-08 [`e81dcfd`](https://github.com/nophead/NopSCADlib/commit/e81dcfdbd8163ce8e2db450f3a20c296c21327a8 "show commit") [C.P.](# "Chris Palmer") Added right angle option to box headers.
+
+#### [v21.4.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.4.0...v21.4.1 "diff with v21.4.0")
+*   2023-05-08 [`06a286d`](https://github.com/nophead/NopSCADlib/commit/06a286dc989e9cc8cf7918049cd16a862b1a9b94 "show commit") [C.P.](# "Chris Palmer") Fixed missing BOM entry for JST connectors.
+Fixed default colour for JST connectors.
+Corrected BOM entry to show right angle options on Molex and pin headers.
+
+*   2023-05-08 [`f5496c3`](https://github.com/nophead/NopSCADlib/commit/f5496c373a1ab8ae47d07cc0a52d76e4299876cc "show commit") [C.P.](# "Chris Palmer") Fixed typo in `smd_diode(DO214AC)` package name.
+
+### [v21.4.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.3.1...v21.4.0 "diff with v21.3.1")
+*   2023-05-01 [`5e24a32`](https://github.com/nophead/NopSCADlib/commit/5e24a32a0b422e8032c3c5d377c1a756ff6f1022 "show commit") [C.P.](# "Chris Palmer") Added ESP32 camera.
+
+*   2023-05-01 [`fbd8d8c`](https://github.com/nophead/NopSCADlib/commit/fbd8d8c7cdff0bd7de0d42aa74bf0ab6551c205b "show commit") [C.P.](# "Chris Palmer") Added `smd_coax`
+
+#### [v21.3.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.3.0...v21.3.1 "diff with v21.3.0")
+*   2023-04-29 [`b1592f5`](https://github.com/nophead/NopSCADlib/commit/b1592f51d4b16a125d9b28edae56f758fcac2f02 "show commit") [C.P.](# "Chris Palmer") Fixed `bom.py,` `views.py` and `tests.py` so that vitamin descriptions can contain more than one colon.
+
+### [v21.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.2.0...v21.3.0 "diff with v21.2.0")
+*   2023-04-23 [`61fc194`](https://github.com/nophead/NopSCADlib/commit/61fc19499524a2b750d17a90627a697bf626bbf0 "show commit") [C.P.](# "Chris Palmer") Refactored for readability.
+
+*   2023-04-23 [`f8af615`](https://github.com/nophead/NopSCADlib/commit/f8af61568a8362cf470bc9eb8de8323c8fc001c7 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-04-23 [`05d1684`](https://github.com/nophead/NopSCADlib/commit/05d16841c4d48c5c8f453e438af0ff6eb5bffe53 "show commit") [C.P.](# "Chris Palmer") Fixed thread pitch.
+
+*   2023-04-05 [`07e7eb7`](https://github.com/nophead/NopSCADlib/commit/07e7eb77f73fcaab4291388b49781b0e2de5a64c "show commit") [M.B.](# "Martin Budden") Added support for shoulder screws.
+
+### [v21.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.1.2...v21.2.0 "diff with v21.1.2")
+*   2023-04-22 [`5fc70e1`](https://github.com/nophead/NopSCADlib/commit/5fc70e19ac5d320290f4a2151665e83f0829d796 "show commit") [C.P.](# "Chris Palmer") Added SMD Tantalum caps and 0502 and 0402 resistor and capacitors.
+
+#### [v21.1.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.1...v21.1.2 "diff with v21.1.1")
+*   2023-03-29 [`1c5d9a8`](https://github.com/nophead/NopSCADlib/commit/1c5d9a8ef5892caf9b2c4d0d84dc3d20eba699d3 "show commit") [C.P.](# "Chris Palmer") Removed utility functions used by `invert()` from documentation as not generally useful.
+
+#### [v21.1.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.0...v21.1.1 "diff with v21.1.0")
+*   2023-03-29 [`d3f0bfc`](https://github.com/nophead/NopSCADlib/commit/d3f0bfc17f82b42f2d81f2d72a54c3f0cc375604 "show commit") [C.P.](# "Chris Palmer") Fixed typo in resistor comment.
+
+### [v21.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.0.1...v21.1.0 "diff with v21.0.1")
+*   2023-03-11 [`18cd33c`](https://github.com/nophead/NopSCADlib/commit/18cd33c66388d4d4e7be664c0f883cff0854524b "show commit") [C.](# "Chris") Fixed typos, corrected vitamin call, added boilerplate, updated images and readme.
+
+*   2023-03-11 [`ebfb330`](https://github.com/nophead/NopSCADlib/commit/ebfb330ac69f4e90de84ecffea94ce067d041031 "show commit") [D.K.](# "Dirkjan Krijnders") Added comments and make holes a `linear_extrude` result
+
+*   2023-03-08 [`c5fab08`](https://github.com/nophead/NopSCADlib/commit/c5fab08a454383b295be2b151fd715ee79b85db3 "show commit") [D.K.](# "Dirkjan Krijnders") Added `photo_interrupter` to the test
+
+*   2023-03-08 [`fecc937`](https://github.com/nophead/NopSCADlib/commit/fecc93746ab80ad1fc74f0fe3465de92ffee7b36 "show commit") [D.K.](# "Dirkjan Krijnders") Added vitamins for photo interrupters
+
+#### [v21.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.0.0...v21.0.1 "diff with v21.0.0")
+*   2023-03-11 [`07da7d8`](https://github.com/nophead/NopSCADlib/commit/07da7d8dc7d3fb769e57a6b9ca86465357007b6c "show commit") [C.](# "Chris") Removed `Python2.7` from `usage.md` as no longer works.
+
+*   2023-03-10 [`5a3bbf9`](https://github.com/nophead/NopSCADlib/commit/5a3bbf967dc967eca4726af517382e7eb875dde1 "show commit") [C.](# "Chris") Fixed broken cover image.
+
+## [v21.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v20.24.0...v21.0.0 "diff with v20.24.0")
+*   2023-03-10 [`9d4d5ab`](https://github.com/nophead/NopSCADlib/commit/9d4d5aba17974e7b5911e723d48d7b9403a4bcb4 "show commit") [C.](# "Chris") `veroboard_assembly()` renamed `veroboard_fastened_assembly()`.
+`veroboard_assembly()` now doesn't include the fasteners.
+
+### [v20.24.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.24.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.23.0...v20.24.0 "diff with v20.23.0")
+*   2023-03-10 [`d939401`](https://github.com/nophead/NopSCADlib/commit/d939401183d12af3452e17aa5b020dab50f8edb0 "show commit") [C.](# "Chris") Added `vero_grid_pos()` function.
+
+*   2023-03-10 [`584542f`](https://github.com/nophead/NopSCADlib/commit/584542f87a27efe06ff3ba597dbaff1f3c32c4fd "show commit") [C.](# "Chris") Added fastons.
+
+*   2023-03-10 [`62372a0`](https://github.com/nophead/NopSCADlib/commit/62372a049b9ac7a0fecebfd3618df91ff6ffa87a "show commit") [C.](# "Chris") The `wire()` module can now draw wires if a path is specified.
+
+*   2023-03-10 [`14698e5`](https://github.com/nophead/NopSCADlib/commit/14698e5203e1e860230ddb3729816730e221f49c "show commit") [C.](# "Chris") Added PTFE heatshrink sleeving.
+
+*   2023-03-10 [`14f6bb5`](https://github.com/nophead/NopSCADlib/commit/14f6bb533a3dcc1d36b2b764906cdca7d8d24484 "show commit") [C.](# "Chris") Added `sleeving_length` to `al_clad_resistor_assembly()`.
+
+*   2023-03-10 [`01e9aae`](https://github.com/nophead/NopSCADlib/commit/01e9aae698f57bac6046d1a04aaa11b0c88006b5 "show commit") [C.](# "Chris") Added `TO220_size()` and `TO220_lead_pos(i,` l).
+
+*   2023-02-04 [`27f9b24`](https://github.com/nophead/NopSCADlib/commit/27f9b242f250c0083344a05527055bb2fbb56f91 "show commit") [C.P.](# "Chris Palmer") Added crystal, transistors, diode and LEDs to Arduino Uno.
+
+*   2023-02-03 [`f07fda7`](https://github.com/nophead/NopSCADlib/commit/f07fda70cdfc743cd2462636fcc1eb13a092f9e4 "show commit") [C.P.](# "Chris Palmer") Wire links can now be sleeved.
+
+*   2023-02-01 [`abf1f1a`](https://github.com/nophead/NopSCADlib/commit/abf1f1ab3f3eddc2f274df649e8481a4117901eb "show commit") [C.P.](# "Chris Palmer") PCB blocks can now have rounded edges for more realistic cans.
+
+### [v20.23.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.23.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.22.0...v20.23.0 "diff with v20.22.0")
+*   2023-02-01 [`470d6d6`](https://github.com/nophead/NopSCADlib/commit/470d6d6216b1cef8ce6cafd4b14300edb62eac4a "show commit") [C.P.](# "Chris Palmer") Started radial components with crystals.
+
+*   2023-02-01 [`0e5e15a`](https://github.com/nophead/NopSCADlib/commit/0e5e15a747fed6b4ef434c9796bef6cb9e658c0e "show commit") [C.P.](# "Chris Palmer") Added SOIC14 package.
+
+*   2023-02-01 [`3f84912`](https://github.com/nophead/NopSCADlib/commit/3f84912e555cd4f7e97e7cac3091260fe969df4c "show commit") [C.P.](# "Chris Palmer") Added `rounded_top_rectangle()`.
+
+### [v20.22.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.22.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.21.0...v20.22.0 "diff with v20.21.0")
+*   2023-01-29 [`01eeafb`](https://github.com/nophead/NopSCADlib/commit/01eeafb2552a4fcc735e85e8d0e7c0855c18be8c "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-01-29 [`dd876c8`](https://github.com/nophead/NopSCADlib/commit/dd876c8fc9f2658332c1c3200a6a67e1b78a8f64 "show commit") [C.P.](# "Chris Palmer") Added vertical USB connector to PCB test.
+
+*   2023-01-29 [`ff40a27`](https://github.com/nophead/NopSCADlib/commit/ff40a276e1a37836ab011689e849da76ce19d4a7 "show commit") [C.P.](# "Chris Palmer") Fixed display position in tests.
+
+*   2023-01-29 [`463c620`](https://github.com/nophead/NopSCADlib/commit/463c620cc3053428ecf7ca6360477992b9538978 "show commit") [C.P.](# "Chris Palmer") Made a new row of PCBs in the test.
+
+*   2023-01-29 [`7b1a916`](https://github.com/nophead/NopSCADlib/commit/7b1a9160434f5b000c83f03d39305f73b0bbf646 "show commit") [C.P.](# "Chris Palmer") Fixed vAx1 dimensions, removed flange and repositioned the tongue.
+
+*   2023-01-28 [`de05134`](https://github.com/nophead/NopSCADlib/commit/de051343d01e57b5e0c43a5f8de69eb508bd86ca "show commit") [E.F.](# "Elliot Foster") WiP of an Orange Pi Zero 2 PCB
+
+### [v20.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.20.1...v20.21.0 "diff with v20.20.1")
+*   2023-01-28 [`34719c3`](https://github.com/nophead/NopSCADlib/commit/34719c33607f8720701eb59719af337cb4a1b777 "show commit") [C.P.](# "Chris Palmer") Box shelves now have screws in the corners to hold them down.
+
+*   2023-01-28 [`024439d`](https://github.com/nophead/NopSCADlib/commit/024439d4c2d0f302027d130584cedadb6d9d14a9 "show commit") [C.P.](# "Chris Palmer") Can now specify short inserts to be used for `butt_boxes`.
+
+#### [v20.20.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.20.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.20.0...v20.20.1 "diff with v20.20.0")
+*   2023-01-28 [`005c112`](https://github.com/nophead/NopSCADlib/commit/005c112ba9fc210f88fa82cf638108dbe0b20f26 "show commit") [C.P.](# "Chris Palmer") Added values to the SMD capacitors on the example PCB.
+
+*   2023-01-28 [`dfbcbf8`](https://github.com/nophead/NopSCADlib/commit/dfbcbf84ab57a2c70aaf5b1fa26668278b6993d3 "show commit") [C.P.](# "Chris Palmer") Changed OpenGrab link as `nicadrone.com` has gone.
+
+### [v20.20.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.20.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.19.1...v20.20.0 "diff with v20.19.1")
+*   2023-01-24 [`e7e9313`](https://github.com/nophead/NopSCADlib/commit/e7e9313e71fb2b30aca142ceded2dc5615695071 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-01-23 [`dab06ce`](https://github.com/nophead/NopSCADlib/commit/dab06ce4ca771787aa625d1370b4f2b779580315 "show commit") [E.F.](# "Elliot Foster") Add Raspberry Pi 3 A+ to pcbs
+
+#### [v20.19.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.19.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.19.0...v20.19.1 "diff with v20.19.0")
+*   2023-01-24 [`494002a`](https://github.com/nophead/NopSCADlib/commit/494002aebeda560e65ca4f8cb3794707487a3c2a "show commit") [C.P.](# "Chris Palmer") Added test to MP1584EN PCB.
+
+*   2023-01-24 [`77e948f`](https://github.com/nophead/NopSCADlib/commit/77e948f43c911442211bcbf6d1b1520184d2c70b "show commit") [C.P.](# "Chris Palmer") Added can bus connectors to OpenGrab model.
+Tweaked some PCB component positions.
+
+*   2023-01-24 [`543cdb4`](https://github.com/nophead/NopSCADlib/commit/543cdb4e01d38308a06d4368ebabadb85c696567 "show commit") [C.P.](# "Chris Palmer") Increased the clearance of holes made for pin header.
+
+### [v20.19.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.19.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.18.1...v20.19.0 "diff with v20.18.1")
+*   2023-01-12 [`ebd50ba`](https://github.com/nophead/NopSCADlib/commit/ebd50bae535283b94b310ee74c9b98b2e3b7f8be "show commit") [C.P.](# "Chris Palmer") Added SMD diodes, inductors and potentiometers.
+Complete set of components added to MP1584EN buck regulator.
+
+#### [v20.18.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.18.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.18.0...v20.18.1 "diff with v20.18.0")
+*   2023-01-07 [`ec3e752`](https://github.com/nophead/NopSCADlib/commit/ec3e752fc5b5586ef5ac838c709ab4b704dac817 "show commit") [C.](# "Chris") Added missing documentation for `hinge_female()` module.
+
+### [v20.18.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.18.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.17.0...v20.18.0 "diff with v20.17.0")
+*   2023-01-07 [`8587d52`](https://github.com/nophead/NopSCADlib/commit/8587d52d1b87dc9932c7e458798d4a6f3722a371 "show commit") [C.](# "Chris") Added `screw_keyhole()` module.
+
+### [v20.17.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.17.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.16.0...v20.17.0 "diff with v20.16.0")
+*   2023-01-07 [`cec8c3a`](https://github.com/nophead/NopSCADlib/commit/cec8c3a107b81f8badb4e2077a318cc36fcdd481 "show commit") [C.](# "Chris") Added printed LED bezels.
+
+### [v20.16.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.16.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.15.2...v20.16.0 "diff with v20.15.2")
+*   2023-01-07 [`848dcb8`](https://github.com/nophead/NopSCADlib/commit/848dcb86b9f1d9a164366208da76faea6d6050f1 "show commit") [C.](# "Chris") Added 8mm LED.
+
+#### [v20.15.2](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.15.1...v20.15.2 "diff with v20.15.1")
+*   2023-01-07 [`a31f6f1`](https://github.com/nophead/NopSCADlib/commit/a31f6f100ce18168594b02a25d5229536f02a65c "show commit") [C.](# "Chris") Revised LED dimensions.
+
+*   2023-01-07 [`b3dd635`](https://github.com/nophead/NopSCADlib/commit/b3dd635889f7ed4f779ee9408ff81ac64cb1f7ec "show commit") [C.](# "Chris") Fixed duplicated `dxf()` calls in printed box and `butt_box`.
+Client code now calls `dxf()` so that the generated files can be used to speed up assembly views.
+
+#### [v20.15.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.15.0...v20.15.1 "diff with v20.15.0")
+*   2022-12-06 [`e256801`](https://github.com/nophead/NopSCADlib/commit/e256801206189eafcf020cc7fdb50fff4314c397 "show commit") [C.P.](# "Chris Palmer") Added comment to indicate the `.py` suffix may be needed on linux and OSX.
+
+### [v20.15.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.14.1...v20.15.0 "diff with v20.14.1")
+*   2022-12-05 [`9dc8062`](https://github.com/nophead/NopSCADlib/commit/9dc8062befa72c6650b17d34428bfe39e709fdc2 "show commit") [M.W.](# "Marek Wodzinski") Include `terminal.scad` in `lib.scad` to allow use of `terminal_block()`.
+
+#### [v20.14.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.14.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.14.0...v20.14.1 "diff with v20.14.0")
+*   2022-10-20 [`f2313a3`](https://github.com/nophead/NopSCADlib/commit/f2313a3f0ccbb130a7bd974b9a02f5ef6841f39e "show commit") [D.](# "drf5n") update `nuts.scad` table comment
+
+ * Change comment about nut sizes from radius to diameter.
+
 ### [v20.14.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.14.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.13.0...v20.14.0 "diff with v20.13.0")
 *   2022-09-29 [`f1737d2`](https://github.com/nophead/NopSCADlib/commit/f1737d257b54957772ab6faea102f8ddb829119b "show commit") [C.](# "Chris") Updated images and readme.
 
@@ -402,7 +564,7 @@ Lead length removed from TO220 and TO247 vitamin string.
 Mainly text spacing changes.
 
 *   2021-09-27 [`9b5ec6a`](https://github.com/nophead/NopSCADlib/commit/9b5ec6af1aba313df6812a5313470ebb7e8fbdd7 "show commit") [C.P.](# "Chris Palmer") Fixed new `rounded_polygon` to work with last OpenSCAD release.
-Trainling commas in `let()`.
+Trailing commas in `let()`.
 
 *   2021-09-27 [`50958b0`](https://github.com/nophead/NopSCADlib/commit/50958b064d5a6d5ca3fd6525a8c3d3a2c5b20199 "show commit") [C.P.](# "Chris Palmer") Added `$show_plugs` to show crude reprentations of housings on `pin_headers` and Molex KK headers.
 
@@ -1064,7 +1226,7 @@ Updated pics and readme.
 *   2020-12-28 [`f6f4fcc`](https://github.com/nophead/NopSCADlib/commit/f6f4fcc7e84e40669446708e2352ea68c49b7961 "show commit") [M.B.](# "Martin Budden") Added `M5_cs_cap` screw
 
 #### [v10.21.1](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v10.21.0...v10.21.1 "diff with v10.21.0")
-*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new contersink screws and teardrops.
+*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new countersink screws and teardrops.
 
 ### [v10.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.20.1...v10.21.0 "diff with v10.20.1")
 *   2020-12-28 [`8d22940`](https://github.com/nophead/NopSCADlib/commit/8d22940506df525ac52ef6f8a00ea03661f3b682 "show commit") [C.P.](# "Chris Palmer") Project blurb can now be split with into sections with markdown horizontal rules
@@ -1342,7 +1504,7 @@ Reverted the jst header pin position change.
 
 *   2020-09-20 [`933fea6`](https://github.com/nophead/NopSCADlib/commit/933fea687c54d7d8ec48fe92aae12ffca0666789 "show commit") [C.P.](# "Chris Palmer") Removed debug code
 
-*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuarcy of catenary calculations.
+*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuracy of catenary calculations.
 
 ### [v9.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v9.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v9.6.1...v9.7.0 "diff with v9.6.1")
 *   2020-09-19 [`1255e71`](https://github.com/nophead/NopSCADlib/commit/1255e712719ce66fd3b231e5c212ea69b0bb9f1c "show commit") [C.P.](# "Chris Palmer") Added catenary curves.

docs/usage.md

@@ -2,7 +2,7 @@
 
 ## Requirements
 1. OpenSCAD 2021.01 or later, download it from here: https://www.openscad.org/downloads.html
-1. Python 2.7+ or 3.6+ from https://www.python.org/downloads/
+1. Python 3.6+ from https://www.python.org/downloads/
 1. ImageMagick 7 www.imagemagick.org
 
 These are all cross platform tools so NopSCADlib should work on any platform that supports them, although it has currently only been tested on Win7.

lib.scad

@@ -37,6 +37,7 @@ include <vitamins/components.scad>
 include <vitamins/displays.scad>
 include <vitamins/extrusions.scad>
 include <vitamins/extrusion_brackets.scad>
+include <vitamins/fastons.scad>
 include <vitamins/geared_steppers.scad>
 include <vitamins/hot_ends.scad>
 include <vitamins/inserts.scad>
@@ -48,6 +49,7 @@ include <vitamins/magnets.scad>
 include <vitamins/mains_sockets.scad>
 include <vitamins/modules.scad>
 include <vitamins/panel_meters.scad>
+include <vitamins/photo_interrupters.scad>
 include <vitamins/pillars.scad>
 include <vitamins/pillow_blocks.scad>
 include <vitamins/pin_headers.scad>
@@ -99,3 +101,4 @@ use <utils/round.scad>
 use <utils/offset.scad>
 use <utils/sector.scad>
 use <utils/thread.scad>
+use <vitamins/photo_interrupter.scad>

libtest.scad

@@ -63,6 +63,7 @@ use <tests/drag_chain.scad>
 use <tests/extrusions.scad>
 use <tests/extrusion_brackets.scad>
 use <tests/fans.scad>
+use <tests/fastons.scad>
 use <tests/fuseholder.scad>
 use <tests/geared_steppers.scad>
 use <tests/hot_ends.scad>
@@ -74,6 +75,7 @@ use <tests/LDRs.scad>
 use <tests/LEDs.scad>
 use <tests/light_strips.scad>
 use <tests/linear_bearings.scad>
+use <tests/LED_bezel.scad>
 use <tests/LED_meters.scad>
 use <tests/magnets.scad>
 use <tests/microswitches.scad>
@@ -83,6 +85,7 @@ use <tests/o_ring.scad>
 use <tests/opengrab.scad>
 use <tests/panel_meters.scad>
 use <tests/PCBs.scad>
+use <tests/photo_interrupters.scad>
 use <tests/pillars.scad>
 use <tests/pillow_blocks.scad>
 use <tests/potentiometers.scad>
@@ -93,6 +96,7 @@ use <tests/rails.scad>
 use <tests/ring_terminals.scad>
 use <tests/rockers.scad>
 use <tests/rod.scad>
+use <tests/SBR_rails.scad>
 use <tests/screws.scad>
 use <tests/sealing_strip.scad>
 use <tests/servo_motors.scad>
@@ -141,7 +145,7 @@ x1 = x0 + 110;
 x2 = x1 + 90;
 x3 = x2 + 130;
 x4 = x3 + 200;
-x5 = 850;
+x5 = 900;
 x6 = x5 + 150;
 
 cable_grommets_y = 0;
@@ -149,6 +153,9 @@ cable_grommets_y = 0;
 translate([x5, cable_grommets_y])
     cable_grommets();
 
+translate([x5, cable_grommets_y + 30])
+    led_bezels();
+
 translate([x5 + 50, cable_grommets_y])
     ribbon_clamps();
 
@@ -211,7 +218,7 @@ translate([950, box_y])
     box_test();
 
 
-translate([950, 1400])
+translate([950, 1525])
     rotate(-90)
         bbox_test();
 
@@ -219,7 +226,7 @@ inserts_y = 0;
 nuts_y = inserts_y + 20;
 washers_y = nuts_y + 120;
 screws_y = washers_y + 120;
-circlips_y = screws_y + 160;
+circlips_y = screws_y + 180;
 springs_y = circlips_y + 20;
 o_rings_y = springs_y;
 sealing_strip_y = springs_y + 20;
@@ -227,12 +234,12 @@ tubings_y = sealing_strip_y + 20;
 pillars_y = tubings_y + 20;
 ball_bearings_y = pillars_y + 40;
 pulleys_y = ball_bearings_y + 40;
-leadnuts_y = pulleys_y + 60;
+leadnuts_y = pulleys_y + 35;
-linear_bearings_y = leadnuts_y + 50;
+linear_bearings_y = leadnuts_y + 65;
 steppers_y = linear_bearings_y + 110;
 sheets_y = steppers_y + 55;
 pcbs_y = sheets_y + 60;
-displays_y = pcbs_y + 140;
+displays_y = pcbs_y + 265;
 fans_y = displays_y + 110;
 transformers_y = fans_y + 120;
 psus_y = transformers_y + 190;
@@ -283,7 +290,9 @@ translate([x0 + 120, leadnuts_y])
     leadnuthousings();
 
 translate([x0, linear_bearings_y]) {
-    linear_bearings();
+    translate([0, -30])
+        linear_bearings();
+
     rods();
 }
 
@@ -332,9 +341,10 @@ leds_y = 0;
 carriers_y = leds_y + 40;
 magnets_y = carriers_y + 40;
 spades_y = magnets_y + 20;
-buttons_y = spades_y + 20;
+fastons_y = spades_y + 20;
-jacks_y = buttons_y + 40;
+buttons_y = fastons_y + 20;
-microswitches_y = jacks_y + 40;
+jacks_y = buttons_y + 30;
+microswitches_y = jacks_y + 30;
 rockers_y = microswitches_y + 40;
 toggles_y = rockers_y + 60;
 components_y = toggles_y + 40;
@@ -360,6 +370,9 @@ translate([x2 + 70, leds_y])
 translate([x2, spades_y])
     spades();
 
+translate([x2, fastons_y])
+    fastons();
+
 translate([x2,  buttons_y])
     buttons();
 
@@ -387,26 +400,26 @@ blowers_y = ssrs_y + 60;
 hot_ends_y = blowers_y + 100;
 batteries_y = hot_ends_y + 55;
 panel_meters_y = batteries_y + 70;
-extrusions_y = panel_meters_y + 80;
+extrusions_y = panel_meters_y + 100;
 
 translate([x3, veroboard_y])
     veroboard_test();
 
-translate([x3 + 60, veroboard_y + 20])
+translate([x3 + 50, veroboard_y + 20])
     geared_steppers();
 
 translate([x3 + 160, ssrs_y])
     pcb_mounts();
 
-translate([x3 + 170, veroboard_y + 16])
+translate([x3 + 145, veroboard_y + 16])
     cameras();
 
+translate([x3 + 145, d_connectors_y - 10])
+    camera_housings();
+
 translate([x3, d_connectors_y])
     d_connectors();
 
-translate([x3 + 170, d_connectors_y - 10])
-    camera_housings();
-
 translate([x3, iecs_y])
     iecs();
 
@@ -419,6 +432,9 @@ translate([x3 + 60, modules_y])
 translate([x3 + 90, modules_y])
     modules();
 
+translate([x3 + 150, modules_y])
+    photo_interrupters();
+
 translate([x3, ssrs_y]) {
     ssrs();
 
@@ -452,11 +468,11 @@ rails_y = belts_y + 200;
 extrusion_brackets_y = rails_y + 250;
 sk_brackets_y = extrusion_brackets_y + 80;
 kp_pillow_blocks_y = sk_brackets_y + 60;
-scs_bearing_blocks_y = kp_pillow_blocks_y + 60;
+bearing_blocks_y = kp_pillow_blocks_y + 60;
 box_sections_y = batteries_y;
-BLDC_y = scs_bearing_blocks_y + 120;
+BLDC_y = bearing_blocks_y + 180;
-pot_y = BLDC_y + 40;
+pot_y = bearing_blocks_y;
-cable_strip_y = pot_y + 50;
+cable_strip_y = sheets_y + 30;
 
 translate([0, transformers_y])
     servo_motors();
@@ -471,9 +487,13 @@ translate([x4 + 200, belts_y + 58]) {
 translate([x4 + 175, belts_y, -20])
     drag_chains();
 
-translate([x4, rails_y + 130])
+translate([x4, rails_y + 130]) {
     rails();
 
+    translate([305, 0])
+        sbr_rails();
+}
+
 translate([x4, cable_strip_y])
     cable_strips();
 
@@ -489,8 +509,8 @@ translate([x4, extrusion_brackets_y])
 translate([x1, swiss_clips_y + 50])
     shaft_couplings();
 
-translate([x4, scs_bearing_blocks_y])
+translate([x4, bearing_blocks_y])
-    scs_bearing_blocks();
+    bearing_blocks();
 
 translate([x4, BLDC_y])
     bldc_motors();

printed/box.scad

@@ -453,8 +453,6 @@ module box_screw_hole_positions(type) {
 }
 
 module box_base_blank(type) { //! Generates a 2D template for the base sheet
-    dxf(str(box_name(type), "_base"));
-
     difference() {
         sheet_2D(box_base_sheet(type), box_width(type), box_depth(type), box_sheet_r(type));
 
@@ -464,8 +462,6 @@ module box_base_blank(type) { //! Generates a 2D template for the base sheet
 }
 
 module box_top_blank(type) {  //! Generates a 2D template for the top sheet
-    dxf(str(box_name(type), "_top"));
-
     difference() {
         sheet_2D(box_top_sheet(type), box_width(type), box_depth(type), box_sheet_r(type));
 
@@ -478,18 +474,19 @@ function subst_sheet(type, sheet) =
     let(s = box_sheets(type))
         sheet ? assert(sheet_thickness(sheet) == sheet_thickness(s)) sheet : s;
 
-module box_shelf_blank(type, sheet = false) { //! Generates a 2D template for a shelf sheet
+module box_shelf_blank(type, sheet = false, wall = undef) { //! Generates a 2D template for a shelf sheet
-    dxf(str(box_name(type), "_shelf"));
-
     difference() {
         sheet_2D(subst_sheet(type, sheet), box_width(type) - bezel_clearance, box_depth(type) - bezel_clearance, 1);
 
         offset(bezel_clearance / 2)
             box_corner_quadrants(type, box_width(type), box_depth(type));
+
+        box_shelf_screw_positions(type, [], 0, wall)
+            drill(screw_clearance_radius(box_shelf_screw(type)), 0);
     }
 }
 
-module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = undef) { //! Place children at the shelf screw positions
+module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = undef, top_screws = true) { //! Place children at the shelf screw positions
     w = is_undef(wall) ? box_wall(type) : wall;
     insert = box_shelf_insert(type);
     translate_z(-insert_boss_radius(insert, w))
@@ -497,13 +494,22 @@ module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = un
             multmatrix(p)
                 translate_z(thickness)
                     children();
+
+    r = box_boss_r(type);
+    inset = box_intrusion(type) - r + (r + insert_boss_radius(insert, w) + bezel_clearance / 2) / sqrt(2);
+    if(top_screws)
+        translate_z(thickness)
+            for(x = [-1, 1], y = [-1, 1])
+                translate([x * (box_width(type) / 2 - inset), y * (box_depth(type) / 2 - inset)])
+                    rotate(45 * x * (2 + y))
+                        children();
 }
 
 module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts
     w = is_undef(wall) ? box_wall(type) : wall;
     insert = box_shelf_insert(type);
     lip = 2 * insert_boss_radius(insert, w);
-    width = insert_length(insert) + w;
+    width = max(insert_length(insert) + w, lip);
 
     module shape()
         difference() {
@@ -579,50 +585,44 @@ module box_shelf_bracket_section(type, rows, cols, x, y) { //! Generates section
             children();
 }
 
-module box_left_blank(type, sheet = false) { //! Generates a 2D template for the left sheet, `sheet` can be set to override the type
+module box_left_blank(type, sheet = false) //! Generates a 2D template for the left sheet, `sheet` can be set to override the type
-    dxf(str(box_name(type), "_left"));
-
     sheet_2D(subst_sheet(type, sheet), box_depth(type) - sheet_reduction(type), box_height(type) - sheet_reduction(type), 1);
-}
-
-module box_right_blank(type, sheet = false) { //! Generates a 2D template for the right sheet, `sheet` can be set to override the type
-    dxf(str(box_name(type), "_right"));
 
+module box_right_blank(type, sheet = false) //! Generates a 2D template for the right sheet, `sheet` can be set to override the type
     sheet_2D(subst_sheet(type, sheet), box_depth(type) - sheet_reduction(type), box_height(type) - sheet_reduction(type), 1);
-}
-
-module box_front_blank(type, sheet = false) { //! Generates a 2D template for the front sheet, `sheet` can be set to override the type
-    dxf(str(box_name(type), "_front"));
 
+module box_front_blank(type, sheet = false) //! Generates a 2D template for the front sheet, `sheet` can be set to override the type
     sheet_2D(subst_sheet(type, sheet), box_width(type) - sheet_reduction(type), box_height(type) - sheet_reduction(type), 1);
-}
-
-module box_back_blank(type, sheet = false) { //! Generates a 2D template for the back sheet, `sheet` can be set to override the type
-    dxf(str(box_name(type), "_back"));
 
+module box_back_blank(type, sheet = false) //! Generates a 2D template for the back sheet, `sheet` can be set to override the type
     sheet_2D(subst_sheet(type, sheet), box_width(type) - sheet_reduction(type), box_height(type) - sheet_reduction(type), 1);
-}
 
 module box_base(type)   //! Default base, can be overridden to customise
     render_2D_sheet(box_base_sheet(type))
-        box_base_blank(type);
+        dxf(str(box_name(type), "_base"))
+            box_base_blank(type);
 
 module box_top(type)    //! Default top, can be overridden to customise
     render_2D_sheet(box_top_sheet(type))
-        box_top_blank(type);
+        dxf(str(box_name(type), "_top"))
+            box_top_blank(type);
 
 module box_back(type)   //! Default back, can be overridden to customise
     render_2D_sheet(box_sheets(type))
-        box_back_blank(type);
+        dxf(str(box_name(type), "_back"))
+            box_back_blank(type);
 
 module box_front(type)  //! Default front, can be overridden to customise
     render_2D_sheet(box_sheets(type))
-        box_front_blank(type);
+        dxf(str(box_name(type), "_front"))
+            box_front_blank(type);
 
 module box_left(type)   //! Default left side, can be overridden to customise
     render_2D_sheet(box_sheets(type))
-        box_left_blank(type);
+        dxf(str(box_name(type), "_left"))
+            box_left_blank(type);
 
 module box_right(type) //! Default right side, can be overridden to customise
     render_2D_sheet(box_sheets(type))
-        box_right_blank(type);
+        dxf(str(box_name(type), "_right"))
+            box_right_blank(type);

printed/butt_box.scad

@@ -51,9 +51,10 @@ function bbox_name(type)       = type[8]; //! Optional name if there is more tha
 function bbox_skip_blocks(type)= type[9]; //! List of fixing blocks to skip, used to allow a hinged panel for example
 function bbox_star_washers(type)= type[10];//! Set to false to remove star washers.
 function bbox_thin_blocks(type) = type[11];//! Set for 2 screw blocks instead of three hole fixing blocks.
+function bbox_short_inserts(type)= type[12];//! Set to use short inserts in the blocks
 
-function bbox(screw, sheets, base_sheet, top_sheet, span, size, name = "bbox", skip_blocks = [], star_washers = true, thin_blocks = false) = //! Construct the property list for a butt_box
+function bbox(screw, sheets, base_sheet, top_sheet, span, size, name = "bbox", skip_blocks = [], star_washers = true, thin_blocks = false, short_inserts = false) = //! Construct the property list for a butt_box
- [ screw, sheets, base_sheet, top_sheet, span, size.x, size.y, size.z, name, skip_blocks, star_washers, thin_blocks ];
+ [ screw, sheets, base_sheet, top_sheet, span, size.x, size.y, size.z, name, skip_blocks, star_washers, thin_blocks, short_inserts ];
 
 function bbox_volume(type) = bbox_width(type) * bbox_depth(type) * bbox_height(type) / 1000000; //! Internal volume in litres
 function bbox_area(type) = let(w =  bbox_width(type), d = bbox_depth(type), h = bbox_height(type)) //! Internal surface area in m^2
@@ -78,7 +79,8 @@ function corner_block_positions(type) = let(
           rotate([z > 0 ? 180 : 0, 0, corner * 90 + (z > 0 ? 90 : 0)])
     ];
 
-function corner_holes(type) = [for(p = corner_block_positions(type), q = corner_block_holes(bbox_screw(type))) p * q];
+function corner_holes(type) = let(short = bbox_short_inserts(type))
+    [for(p = corner_block_positions(type), q = corner_block_holes(bbox_screw(type), short_insert = short)) p * q];
 
 function fixing_block_positions(type) = let(
         width = bbox_width(type),
@@ -112,7 +114,8 @@ function fixing_block_positions(type) = let(
 
 function side_holes(type) = let(
     screw = bbox_screw(type),
-    holes = bbox_thin_blocks(type) ? 2screw_block_holes(screw) : fixing_block_holes(screw))
+    short = bbox_short_inserts(type),
+    holes = bbox_thin_blocks(type) ? 2screw_block_holes(screw, short_insert = short) : fixing_block_holes(screw))
         [for(p = fixing_block_positions(type), q = holes) p * q];
 
 module bbox_drill_holes(type, t)
@@ -120,8 +123,6 @@ module bbox_drill_holes(type, t)
         drill(screw_clearance_radius(bbox_screw(type)), 0);
 
 module bbox_base_blank(type) { //! 2D template for the base
-    dxf(str(bbox_name(type), "_base"));
-
     difference() {
         sheet_2D(bbox_base_sheet(type), bbox_width(type), bbox_depth(type), 1);
 
@@ -130,8 +131,6 @@ module bbox_base_blank(type) { //! 2D template for the base
 }
 
 module bbox_top_blank(type) { //! 2D template for the top
-    dxf(str(bbox_name(type), "_top"));
-
     t = sheet_thickness(bbox_sheets(type));
 
     difference() {
@@ -147,8 +146,6 @@ function subst_sheet(type, sheet) =
         sheet ? assert(sheet_thickness(sheet) == sheet_thickness(s)) sheet : s;
 
 module bbox_left_blank(type, sheet = false) { //! 2D template for the left side
-    dxf(str(bbox_name(type), "_left"));
-
     t = sheet_thickness(bbox_sheets(type));
     bb = sheet_thickness(bbox_base_sheet(type));
 
@@ -161,8 +158,6 @@ module bbox_left_blank(type, sheet = false) { //! 2D template for the left side
 }
 
 module bbox_right_blank(type, sheet = false) { //! 2D template for the right side
-    dxf(str(bbox_name(type), "_right"));
-
     t = sheet_thickness(bbox_sheets(type));
     bb = sheet_thickness(bbox_base_sheet(type));
 
@@ -175,8 +170,6 @@ module bbox_right_blank(type, sheet = false) { //! 2D template for the right sid
 }
 
 module bbox_front_blank(type, sheet = false, width = 0) { //! 2D template for the front
-    dxf(str(bbox_name(type), "_front"));
-
     t = sheet_thickness(bbox_sheets(type));
     bb = sheet_thickness(bbox_base_sheet(type));
     bt = sheet_thickness(bbox_top_sheet(type));
@@ -190,8 +183,6 @@ module bbox_front_blank(type, sheet = false, width = 0) { //! 2D template for th
 }
 
 module bbox_back_blank(type, sheet = false) { //! 2D template for the back
-    dxf(str(bbox_name(type), "_back"));
-
     bb = sheet_thickness(bbox_base_sheet(type));
     t = sheet_thickness(bbox_sheets(type));
 
@@ -205,27 +196,33 @@ module bbox_back_blank(type, sheet = false) { //! 2D template for the back
 
 module bbox_base(type)  //! Default base, can be overridden to customise
     render_2D_sheet(bbox_base_sheet(type))
-        bbox_base_blank(type);
+        dxf(str(bbox_name(type), "_base"))
+            bbox_base_blank(type);
 
 module bbox_top(type)   //! Default top, can be overridden to customise
     render_2D_sheet(bbox_top_sheet(type))
-        bbox_top_blank(type);
+        dxf(str(bbox_name(type), "_top"))
+            bbox_top_blank(type);
 
 module bbox_back(type)  //! Default back, can be overridden to customise
     render_2D_sheet(bbox_sheets(type))
-        bbox_back_blank(type);
+        dxf(str(bbox_name(type), "_back"))
+            bbox_back_blank(type);
 
 module bbox_front(type) //! Default front, can be overridden to customise
     render_2D_sheet(bbox_sheets(type))
-        bbox_front_blank(type);
+        dxf(str(bbox_name(type), "_front"))
+            bbox_front_blank(type);
 
 module bbox_left(type)  //! Default left side, can be overridden to customise
     render_2D_sheet(bbox_sheets(type))
-        bbox_left_blank(type);
+        dxf(str(bbox_name(type), "_left"))
+            bbox_left_blank(type);
 
 module bbox_right(type) //! Default right side, can be overridden to customise
     render_2D_sheet(bbox_sheets(type))
-        bbox_right_blank(type);
+        dxf(str(bbox_name(type), "_right"))
+            bbox_right_blank(type);
 
 module _bbox_assembly(type, top = true, base = true, left = true, right = true, back = true, front = true) { //! The box assembly, wrap with a local copy without parameters
     width = bbox_width(type);
@@ -238,6 +235,7 @@ module _bbox_assembly(type, top = true, base = true, left = true, right = true,
     tt = sheet_thickness(bbox_top_sheet(type));
     star_washers = bbox_star_washers(type);
     thin_blocks = bbox_thin_blocks(type);
+    short = bbox_short_inserts(type);
 
     function is_missing_screw(p) = p.y > depth / 2 - 1 ? !back : false;
 
@@ -247,14 +245,14 @@ module _bbox_assembly(type, top = true, base = true, left = true, right = true,
             let(q = transform([0, 0, 0], p), thickness = q.z > 0 ? tt : bt)
                 multmatrix(p)
                     fastened_corner_block_assembly(is_missing_screw(q) && ((q.z > 0) != (q.x > 0)) ? 0 : t, bbox_screw(type), thickness,
-                                                   is_missing_screw(q) && ((q.z > 0) == (q.x > 0)) ? 0 : t, star_washers = star_washers);
+                                                   is_missing_screw(q) && ((q.z > 0) == (q.x > 0)) ? 0 : t, star_washers = star_washers, short_insert = short);
 
         h = height / 2 - 1;
         for(p = fixing_block_positions(type))
             let(q = transform([0, 0, 0], p), thickness = q.z > h ? tt : q.z < -h ? bt : t)
                 multmatrix(p)
                     if(thin_blocks)
-                        fastened_2screw_block_assembly(is_missing_screw(q) ? 0 : t, bbox_screw(type), thickness_below = thickness, star_washers = star_washers);
+                        fastened_2screw_block_assembly(is_missing_screw(q) ? 0 : t, bbox_screw(type), thickness_below = thickness, star_washers = star_washers, short_insert = short);
                     else
                         fastened_fixing_block_assembly(is_missing_screw(q) ? 0 : t, bbox_screw(type), thickness2 = thickness, star_washers = star_washers);
 

printed/flat_hinge.scad

@@ -119,7 +119,8 @@ module hinge_male(type, female = false) {       //! The half with the stationary
         }
 }
 
-module hinge_female(type) hinge_male(type, true);
+module hinge_female(type) //! The half without the pin
+    hinge_male(type, true);
 
 module hinge_both(type) { //! Both parts together for printing
     hinge_male(type);

printed/led_bezel.scad

@@ -0,0 +1,85 @@
+//
+// NopSCADlib Copyright Chris Palmer 2022
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Printed LED bezels for panel mounting
+//
+include <../core.scad>
+
+use <../vitamins/led.scad>
+
+function led_bezel(led, flange = 1, flange_h = 1, wall = 1, height = 8) = [led, flange, flange_h, wall, height]; //! Constructor
+function led_bezel_led(type)      = type[0]; //! The LED
+function led_bezel_flange(type)   = type[1]; //! Flange width
+function led_bezel_flange_t(type) = type[2]; //! Flange thickness
+function led_bezel_wall(type)     = type[3]; //! Wall thickness
+function led_bezel_height(type)   = type[4]; //! Total height
+
+function led_bezel_r(type)   =     //! Radius of the tube
+    corrected_radius(led_rim_dia(led_bezel_led(type)) / 2) + led_bezel_wall(type);
+
+function led_bezel_hole_r(type)   =     //! Panel hole radius
+    led_bezel_r(type) + 0.1;
+
+module led_bezel(type) { //! Makes the STL for the bezel
+    led = led_bezel_led(type);
+    stl(str(led[0],"_bezel")) {
+        rl = led_diameter(led) / 2;
+        rr = led_rim_dia(led) / 2;
+        wall = led_bezel_wall(type);
+        poly_tube(or = rr + wall + led_bezel_flange(type), ir = rl, h = led_bezel_flange_t(type));              // Flange
+        poly_tube(or = rl + wall,                          ir = rl, h = led_height(led) - rl - led_rim_t(led)); // Tube up to LED flange
+        poly_tube(or = corrected_radius(rr) + wall,        ir = rr, h = led_bezel_height(type));                // Tube beyond the flange
+    }
+}
+
+module led_bezel_retainer(type) { //! Makes the STL for the retaining ring
+    led = led_bezel_led(type);
+    stl(str(led[0],"_bezel_retainer")) {
+        ir =  led_bezel_r(type);
+        poly_tube(or = ir + led_bezel_wall(type), ir = ir, h = 4);
+    }
+}
+
+module led_bezel_assembly(type, colour = "red") {//! Led bezel with LED
+    led = led_bezel_led(type);
+    assembly(str(led[0], "_", colour, "_bezel")) {
+        translate_z(led_bezel_flange_t(type)) {
+            vflip()
+                stl_colour(pp1_colour)
+                    led_bezel(type);
+
+            translate_z(-led_height(led) + led_diameter(led) / 2)
+                explode(-20)
+                    led(led, colour);
+        }
+    }
+}
+
+module led_bezel_fastened_assembly(type, t, colour = "red") //! Led bezel fitted to panel with  and retaining ring
+{
+    explode(20)
+        led_bezel_assembly(type, colour);
+
+    translate_z(-t)
+        vflip()
+            stl_colour(pp2_colour)
+                explode(60)
+                    led_bezel_retainer(type);
+}

scripts/bom.py

@@ -140,7 +140,7 @@ class BOM:
         for part in sorted(self.vitamins):
             i += 1
             if ': ' in part:
-                part_no, description = part.split(': ')
+                part_no, description = part.split(': ', 1)
             else:
                 part_no, description = "", part
             qty = self.vitamins[part].count
@@ -183,7 +183,7 @@ class BOM:
 
         for part in sorted(self.vitamins):
             if ': ' in part:
-                part_no, description = part.split(': ')
+                part_no, description = part.split(': ', 1)
             else:
                 part_no, description = "", part
             if breakdown:

scripts/changelog.py

@@ -80,9 +80,16 @@ def codify(word, url):
             return  '`' + word + '`'
     return word
 
+typos = [ # Typos that are ambiguous to codespell
+    ('cnc_bit+_r', 'cnc_bit_r'),
+    ('Udated',     'Updated'),
+    ('decription', 'description'),
+    ('Trainling',  'Trailing'),
+]
 
 def fixup_comment(comment, url):
-    comment = comment.replace('cnc_bit+_r', 'cnc_bit_r')
+    for typo in typos:
+        comment = comment.replace(typo[0], typo[1])
     """ markup code words and fix new paragraphs """
     result = ''
     word = ''
@@ -162,6 +169,6 @@ if __name__ == '__main__':
 
             # Print commits excluding merges
 
-            if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U..ated ch.*log.*', c.comment):
+            if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U.?.ated ch.*log.*', c.comment):
                 print('* %s [`%s`](%s "show commit") %s %s\n' % (c.date, c.hash[:7], url + '/commit/' + c.hash, initials(c.author), fixup_comment(c.comment, url)), file = file)
     do_cmd(('codespell -w -L od ' + filename).split())

scripts/tests.py

@@ -259,11 +259,11 @@ def tests(tests):
                     things = BOM[thing]
                     if things:
                         body += ['### %s\n| Qty | %s |\n| ---:|:--- |%s' % (thing.title(), heading, ':---|' if '|' in heading else '')]
-                        for item in sorted(things, key = lambda s: s.split(":")[-1]):
+                        for item in sorted(things, key = lambda s: s.split(":",1)[-1]):
                             name = item
                             desc = ''
                             if thing == "vitamins":
-                                vit = item.split(':')
+                                vit = item.split(':', 1)
                                 name = '`' + vit[0] + '`' if vit[0] else ''
                                 while '[[' in name and ']]' in name:
                                     i = name.find('[[')

scripts/views.py

@@ -303,7 +303,7 @@ def views(target, do_assemblies = None):
                 grand_total2 = 0
                 heading = headings[t][0].upper() + headings[t][1:]
                 print(('|  ' * len(global_bom) + '| | **%s** |') % heading, file = doc_file)
-                for thing in sorted(things[t], key = lambda s: s.split(":")[-1]):
+                for thing in sorted(things[t], key = lambda s: s.split(":",1)[-1]):
                     for ass in global_bom:
                         count = ass[t][thing]["count"] if thing in ass[t] else 0
                         print('| %s ' % pad(count if count else '.', 2, 1), file = doc_file, end = '')
@@ -313,7 +313,7 @@ def views(target, do_assemblies = None):
                         else:
                             totals[name] = count
                         grand_total2 += count
-                    print('|  %s | %s |' % (pad(things[t][thing], 2, 1), pad(thing.split(":")[-1], 2)), file = doc_file)
+                    print('|  %s | %s |' % (pad(things[t][thing], 2, 1), pad(thing.split(":",1)[-1], 2)), file = doc_file)
 
                 grand_total = 0
                 for ass in global_bom:
@@ -344,8 +344,8 @@ def views(target, do_assemblies = None):
                 print("### Vitamins",         file = doc_file)
                 print("|Qty|Description|",    file = doc_file)
                 print("|---:|:----------|",    file = doc_file)
-                for v in sorted(vitamins, key = lambda s: s.split(":")[-1]):
+                for v in sorted(vitamins, key = lambda s: s.split(":",1)[-1]):
-                    print("|%d|%s|" % (vitamins[v]["count"], v.split(":")[1]),     file = doc_file)
+                    print("|%d|%s|" % (vitamins[v]["count"], v.split(":",1)[1]),     file = doc_file)
                 print("\n", file = doc_file)
 
             printed = ass["printed"]

tests/LED_bezel.scad

@@ -0,0 +1,37 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+use <../utils/layout.scad>
+
+include <../vitamins/leds.scad>
+use <../printed/led_bezel.scad>
+
+module led_bezels()
+    layout([for(l = LEDs) led_diameter(l)], 6) let(l = LEDs[$i], b = led_bezel(l))
+        if($preview)
+            led_bezel_fastened_assembly(b, 3, ["yellow", "blue", "red", "orange"][$i % 4]);
+        else {
+            led_bezel(b);
+
+            translate([0, -20])
+                led_bezel_retainer(b);
+        }
+
+
+led_bezels();

tests/LEDs.scad

@@ -23,7 +23,7 @@ include <../vitamins/leds.scad>
 
 module leds()
     layout([for(l = LEDs) led_diameter(l)], 5)
-        led(LEDs[$i], ["green", "blue", "red"][$i % 3]);
+        led(LEDs[$i], ["green", "blue", "red", "orange"][$i % 4]);
 
 if($preview)
     leds();

tests/PCB.scad

@@ -21,6 +21,7 @@ include <../vitamins/microswitches.scad>
 include <../vitamins/d_connectors.scad>
 include <../vitamins/leds.scad>
 include <../vitamins/axials.scad>
+include <../vitamins/radials.scad>
 include <../vitamins/smds.scad>
 include <../vitamins/7_segments.scad>
 include <../vitamins/potentiometers.scad>
@@ -61,27 +62,46 @@ test_pcb = ["test_pcb", "Test PCB",
     [
         [ 20, -5,  180, "trimpot10"],
         [ 20, -15,  90, "trimpot10", true],
-        [  7,  2,   90, "smd_led", LED1206, "blue"],
+        [ 19,  2,   90, "smd_led", LED1206, "blue"],
-        [ 10,  2,   90, "smd_led", LED0805, "red"],
+        [ 16,  2,   90, "smd_led", LED0805, "red"],
         [ 13,  2,   90, "smd_led", LED0603, "orange"],
-        [ 16,  2,   90, "smd_res", RES1206, "1K"],
+        [ 10,  2,  -90, "smd_res", L2012C, "1u"],
-        [ 19,  2,   90, "smd_res", RES0805, "1K"],
+        [ 19,  6,  -90, "smd_res", RES1206, "1M"],
-        [ 22,  2,   90, "smd_res", RES0603, "1K"],
+        [ 16,  6,  -90, "smd_res", RES0805, "1K"],
-        [ 25,  2,   90, "smd_cap", CAP1206, 1.5],
+        [ 13,  6,  -90, "smd_res", RES0603, "100"],
-        [ 28,  2,   90, "smd_cap", CAP0805, 1.0],
+        [ 10,  6,  -90, "smd_res", RES0502, "10"],
-        [ 31,  2,   90, "smd_cap", CAP0603, 0.7],
+        [  7,  6,  -90, "smd_res", RES0402, "1"],
-        [ 16,  6,  -90, "smd_sot", SOT23, "2N7000"],
+        [ 19, 10,   90, "smd_cap", CAP1206, 1.5, "1uF"],
-        [ 28,  20, -90, "smd_sot", SOT223, "LM117"],
+        [ 16, 10,   90, "smd_cap", CAP0805, 1.0, "100nF"],
+        [ 13, 10,   90, "smd_cap", CAP0603, 0.7, "10nF"],
+        [ 10, 10,   90, "smd_cap", CAP0502, 0.6, "10nF"],
+        [  7, 10,   90, "smd_cap", CAP0402, 0.5, "10nF"],
+        [ 19, 16,  -90, "smd_tant", TANT_C, "107C"],
+        [ 13, 16,  -90, "smd_tant", TANT_B, "106A"],
+        [  7, 16,  -90, "smd_tant", TANT_A, "105e"],
+        [ 32,  3,  -90, "smd_diode",DO214AC, "SS34"],
+        [ 26,  2,  -90, "smd_pot", TC33X1, "10K"],
+        [ 26,  6,  -90, "smd_coax",U_FL_R_SMT_1],
 
-        [ 10,  10,   0, "2p54header", 4, 1],
+        [ 26, 10,  -90, "smd_sot", SOT23, "2N7000"],
-        [ 25,  10,   0, "2p54header", 5, 1, false, "blue" ],
+        [ 28, 16,  -90, "smd_sot", SOT223, "LM117"],
-        [ 10,  20,   0, "2p54boxhdr", 4, 2],
+
-        [ 10,  30,   0, "2p54socket", 6, 1],
+        [ 30, 30,  -90, "smd_qfp", QFP50P1200X1200X160_64N, "ATSAM4S4BA"],
-        [ 25,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
+
-        [ 65,  50,   0, "led", LED3mm, "red"],
+        [ 45,  35,   0, "2p54header", 4, 1],
-        [ 75,  50,   0, "led", LED5mm, "orange"],
+        [ 60,  35,   0, "2p54header", 5, 1, false, "blue" ],
-        [ 90,  50,   0, "led", LED10mm, "yellow"],
+        [ 60,  40, 180, "2p54header", 5, 1, false, undef, true],
-        [ 10,  45, 180, "rj45"],
+        [ 80,  33,   0, "2p54boxhdr", 4, 2],
+        [ 80,  40,   0, "2p54boxhdr", 4, 2, false, true, true],
+        [ 45,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
+        [ 60,  30,   0, "2p54socket", 6, 1],
+
+        [ 59,  60, 180, "led", LED3mm, "red"],
+        [ 66,  60, 180, "led", LED5mm, "orange"],
+        [ 77,  60, 180, "led", LED8mm, "blue"],
+        [ 90,  60, 180, "led", LED10mm, "yellow"],
+        [ 10,  35, 180, "rj45"],
+        [  7,  50, 180, "usb_vAx1"],
         [  8,  65, 180, "usb_A"],
         [  8, 105, 180, "usb_Ax2"],
         [  7,  85, 180, "molex_usb_Ax1"],
@@ -99,28 +119,41 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 25, 200,   0, "buzzer", 4.5, 8.5],
         [ 25, 218,   0, "buzzer"],
 
-        [ 65,   9,   0, "link", inch(0.4)],
+        [ 45,   5,   0, "link", inch(0.4), 0.75, undef, undef, [1.5, "red"]], // Sleeved link
-        [ 65,  12,   0, "ax_res", res1_8, 1000],
+        [ 45,   9,   0, "link", inch(0.4)], // Flat link
-        [ 65,  17,   0, "ax_res", res1_4, 10000],
+        [ 45,  12,   0, "ax_res", res1_8, 1000],
-        [ 65,  22,   0, "ax_res", res1_2, 100000],
+        [ 45,  17,   0, "ax_res", res1_4, 10000],
-        [ 55,  22,   0, "vero_pin"],
+        [ 45,  22,   0, "ax_res", res1_2, 100000],
-        [ 55,  17,   0, "vero_pin", true],
+        [ 35,  22,   0, "vero_pin"],
-        [ 55,   9,   0, "link", 0, 5],
+        [ 35,  17,   0, "vero_pin", true],
+        [ 35,   9,   0, "link", 0, 5], // Vertical wire
 
-        [ 80,   9,   0, "link", inch(0.2), inch(0.4)],
+        [ 60,   9,   0, "link", inch(0.2), inch(0.4)], // Raised link
-        [ 80,  12,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
+        [ 60,  12,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
-        [ 80,  17,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
+        [ 60,  17,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
-        [ 80,  22,   0, "ax_res", res1_2, 10,     10, inch(0.2)],
+        [ 60,  22,   0, "ax_res", res1_2, 10,     10, inch(0.2)],
 
-        [ 60,   3,   0, "flex"],
+        [ 33,  110, -90, "rd_xtal", HC49,    "4MHz" ],
-        [ 50,  15, -90, "flat_flex"],
+        [ 28,  110, -90, "rd_xtal", HC49_4H, "10MHz" ],
-        [ 40,  15, -90, "flat_flex", true],
+        [ 28,  103, -90, "rd_xtal", C_002RX, "60KHz", 2 ],
 
-        [ 50,  50,   0, "molex_hdr", 2],
+        [ 30,  130,-90, "rd_xtal", ACT1100, "40MHz", 0.5 ],
-        [ 50,  60,   0, "jst_xh", 2],
+        [ 30,  150,-90, "rd_xtal", ACT1700, "80MHz", 0.5 ],
-        [ 50,  70, 180, "term254", 3],
+
-        [ 63,  70, 180, "term254", 3, undef, grey(20)],
+        [ 77,  15, -90, "flex"],
-        [ 75,  70, 180, "gterm508",2, undef, "blue"],
+        [ 95,  15, -90, "flat_flex"],
+        [ 87,  15, -90, "flat_flex", true],
+
+        [ 47,  55,   0, "molex_hdr", 2],
+        [ 51,  48,   0, "molex_hdr", 2, 1],
+        [ 51,  41,   0, "molex_hdr", 2, -1],
+        [ 45,  65,   0, "jst_xh", 2],
+        [ 54,  65,   0, "jst_ph", 2],
+        [ 61,  65,   0, "jst_zh", 2],
+
+        [ 50,  75, 180, "term254", 3],
+        [ 63,  75, 180, "term254", 3, undef, grey(20)],
+        [ 75,  75, 180, "gterm508",2, undef, "blue"],
 
         [ 50,  90, 180, "gterm35", 4, [1,2]],
         [ 63,  90, 180, "gterm35", 4, [1,2], "red"],
@@ -141,7 +174,10 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 52, 200,   0, "pcb", 11, TMC2130 ],
         [ 80, 210,   0, "pdip", 24, "27C32", true, inch(0.6) ],
         [ 80, 180,   0, "pdip", 8, "NE555" ],
-        [ 80, 166, -90, "smd_soic", SOIC18, "PIC18F88"],
+        [ 71, 180,    0, "smd_inductor", IND2525, "4R7"],
+
+        [ 87, 166, -90, "smd_soic", SOIC18, "PIC18F88"],
+        [ 78, 166, -90, "smd_soic", SOIC14, "74HC00"],
         [ 71, 166, -90, "smd_soic", SOIC16, "ICL323"],
         [ 64, 166, -90, "smd_soic", SOIC8, "M34063"],
         [ 80, 150,   0, "chip", 10, 5, 1, grey(20)],
@@ -152,7 +188,7 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 50, 240,   0, "potentiometer"],
         [ 75, 240,   0, "potentiometer", KY_040_encoder, 8],
         [ 30,  85, -90, "7seg", WT5011BSR, 2],
-        [ 30, 55, -90, "D_plug", DCONN9],
+        [ 30,  55, -90, "D_plug", DCONN9],
     ],
     // accessories
     []

tests/PCBs.scad

@@ -39,6 +39,12 @@ module pcbs() {
             translate([0, -pcb_width(perfboards[$i]) / 2])
                 pcb_assembly(perfboards[$i], 5 + $i, 3);
 
+    translate([0, 125])
+        layout([for(p = big_pcbs) spacing(p)], 0)
+            translate([0, pcb_length(big_pcbs[$i]) / 2])
+                rotate(90)
+                    pcb_assembly(big_pcbs[$i], 5 + $i, 3);
+
     for(p = pcbs_not_shown)
         hidden()
             pcb(p);

tests/SBR_rails.scad

@@ -0,0 +1,46 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+include <../vitamins/sbr_rails.scad>
+
+use <../utils/layout.scad>
+use <../vitamins/bearing_block.scad>
+
+length = 200;
+sheet = 3;
+
+module sbr_rails()
+    layout([for(r = sbr_rails) sbr_rail_base_width(r)], 10)
+        rotate([90, 180,0]) {
+            rail = sbr_rails[$i];
+            sbr_rail(rail, length);
+            carriage = sbr_rail_carriage(rail);
+            screw = sbr_rail_screw(rail);
+
+            sbr_bearing_block_assembly(carriage, sheet);
+
+            sbr_screw_positions(rail, length)
+                explode(20)
+                    rotate([90,0,0])
+                        screw(sbr_rail_screw(rail), 18);
+
+         }
+
+if($preview)
+    sbr_rails();

tests/SMDs.scad

@@ -23,7 +23,7 @@ include <../vitamins/smds.scad>
 
 module smds() {
     layout([for(r = smd_resistors) smd_res_size(r).x], 1)
-        smd_resistor(smd_resistors[$i], ["1R0", "10M", "100K"][$i % 3]);
+        smd_resistor(smd_resistors[$i], ["1R0", "10", "100", "10M", "100K", "10u"][$i % 6]);
 
     translate([0, 3])
         layout([for(l = smd_leds) smd_led_size(l).x], 1)
@@ -34,16 +34,45 @@ module smds() {
             let(c = smd_capacitors[$i])
                 smd_capacitor(c, smd_cap_size(c).y * 0.8);
 
-    translate([0, 12])
+    translate([0, 9])
+        layout([for(t = smd_tants) smd_tant_leads(t).x], 1)
+            let(t = smd_tants[$i])
+                smd_tant(t, ["105e","106J", "107A"][$i]);
+
+    translate([0, 12.5])
+        layout([for(d = smd_diodes) smd_diode_leads(d).x], 1)
+            let(d = smd_diodes[$i])
+                smd_diode(d, ["SS34"][$i]);
+
+    translate([0, 24])
         layout([for(s = smd_sots) smd_sot_size(s).x], 1)
             let(s = smd_sots[$i])
                 smd_sot(s, ["2N7000", "FZT851"][$i]);
 
-    translate([0, 20])
+    translate([0, 18])
+        layout([for(p = smd_pots) smd_pot_size(p).x], 1)
+            let(p = smd_pots[$i])
+                smd_pot(p, "10K");
+
+    translate([6, 18])
+        layout([for(c = smd_coaxs) smd_coax_base_size(c).x], 1)
+            let(c = smd_coaxs[$i])
+                smd_coax(c);
+
+    translate([0, 31])
         layout([for(s = smd_soics) smd_soic_size(s).x], 1)
             let(s = smd_soics[$i])
                 smd_soic(s, s[0]);
 
+    translate([0, 39])
+        layout([for(i = smd_inductors) smd_inductor_leads(i).x], 1)
+            let(i = smd_inductors[$i])
+                smd_inductor(i, "4R7");
+
+    translate([20, 6])
+         layout([for(q = smd_qfps) smd_qfp_body_size(q).x], 3)
+            let(q = smd_qfps[$i])
+                smd_qfp(q, ["ATSAM4S4BA"][$i]);
 }
 
 if($preview)

tests/axials.scad

@@ -28,6 +28,10 @@ module axials() {
         rotate(90)
             wire_link(0.8, inch(0.4));
 
+    pcb_grid(pcb, 1, 1.5)
+        rotate(90)
+            wire_link(0.8, inch(0.3), 0.75, sleeve = [1.5, "red"]);
+
     pcb_grid(pcb, 0, 7)
         wire_link(0.8, 0, 5);
 

tests/bearing_blocks.scad

@@ -24,12 +24,26 @@ use <../utils/layout.scad>
 module scs_bearing_blocks()
     layout([for(s = scs_bearing_blocks) scs_size(s).x], 10) {
         part_thickness = 5;
-        scs_bearing_block_assembly(scs_bearing_blocks[$i], part_thickness);
+        translate([0, 60])
+            scs_bearing_block_assembly(scs_bearing_blocks[$i], part_thickness);
 
         if($i > 0) // skip $i==0, since no SCS6LUU long variant to match SCS6UU
-            translate([0, 60])
+            translate([0, 120])
                 scs_bearing_block_assembly(scs_bearing_blocks_long[$i - 1], part_thickness);
     }
 
-if($preview)
+module sbr_bearing_blocks()
+    layout([for(s = sbr_bearing_blocks) sbr_size(s).x], 10) {
+        part_thickness = 5;
+        sbr_bearing_block_assembly(sbr_bearing_blocks[$i], part_thickness);
+    }
+
+module bearing_blocks() {
     scs_bearing_blocks();
+
+    translate([190, 0])
+        sbr_bearing_blocks();
+}
+
+if($preview)
+    bearing_blocks();

tests/camera_housing.scad

@@ -26,8 +26,9 @@ include <../vitamins/cameras.scad>
 use <../vitamins/pcb.scad>
 
 module camera_housings()
-    layout([for(c = cameras) pcb_length(camera_pcb(c))], 15, false) let(c = cameras[$i])
+    layout([for(c = cameras) pcb_length(camera_pcb(c))], 10, false) let(c = cameras[$i])
-        camera_fastened_assembly(c, 3);
+        if(pcb_screw(camera_pcb(c)))
+            camera_fastened_assembly(c, 3);
 
 if($preview)
     camera_housings();

tests/circlips.scad

@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/circlips.scad>
 
 module circlips(all = false)
-    layout([for(c = circlips) circlip_d3(c)], 10, false) let(c = circlips[$i]) {
+    layout([for(c = circlips) circlip_d3(c)], 5, false) let(c = circlips[$i]) {
         gap = circlip_d3(c) + 2;
 
         internal_circlip(c, 1);

tests/displays.scad

@@ -24,9 +24,10 @@ use <../vitamins/pcb.scad>
 
 module displays()
     layout([for(d = displays) pcb_length(display_pcb(d))], 10)
-        translate([0, pcb_width(displays[$i]) / 2])
+        let(d = displays[$i], offset = display_pcb_offset(d))
-            vflip()
+            translate([-offset.x, pcb_width(display_pcb(d)) / 2 - offset.y])
-                display(displays[$i]);
+                vflip()
+                    display(d);
 
 if($preview)
     let($show_threads = true)

tests/fastons.scad

@@ -0,0 +1,35 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../utils/core/core.scad>
+
+include <../vitamins/fastons.scad>
+
+module fastons()
+    for(i = [0, len(fastons) - 1])
+        translate([i * 20, 0])
+            let(f = fastons[i]) {
+                rotate(180)
+                    faston(f);
+
+                translate([10, 0])
+                    rotate(180)
+                        faston(f, true);
+            }
+
+fastons();

tests/linear_bearings.scad

@@ -21,13 +21,18 @@ use <../utils/layout.scad>
 
 include <../vitamins/linear_bearings.scad>
 
-module linear_bearings()
+module linear_bearings() {
     layout([for(b = linear_bearings) 2 * bearing_radius(b)]) {
-        linear_bearing(linear_bearings[$i]);
-
         translate([0, 30])
+            linear_bearing(linear_bearings[$i]);
+
+        translate([0, 60])
             linear_bearing(long_linear_bearings[$i]);
     }
+    layout([for(b = open_linear_bearings) 2 * bearing_radius(b)])
+        translate([105, 0])
+            linear_bearing(open_linear_bearings[$i]);
+}
 
 if($preview)
     linear_bearings();

tests/photo_interrupters.scad

@@ -0,0 +1,28 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../utils/core/core.scad>
+include <../vitamins/photo_interrupters.scad>
+
+use <../utils/layout.scad>
+
+module photo_interrupters()
+    layout([for(l = photo_interrupters) pi_base_length(l)], 5, true)
+        photo_interrupter(photo_interrupters[$i]);
+
+photo_interrupters();

tests/pin_headers.scad

@@ -45,9 +45,15 @@ module pin_headers() {
         translate([0, 50])
             box_header(pin_headers[$i], 8, 1);
 
+        translate([40, 40])
+            box_header(pin_headers[$i], 8, 1, right_angle = true);
+
         translate([0, 60])
             box_header(pin_headers[$i], 10, 2);
 
+        translate([40, 60])
+            box_header(pin_headers[$i], 10, 2, right_angle = true);
+
         translate([0, 70])
             pin_socket(pin_headers[$i], 8, 1);
 

tests/radials.scad

@@ -0,0 +1,32 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+include <../vitamins/pcbs.scad>
+
+module radials() {
+    pcb = PERF60x40;
+    pcb(pcb);
+
+    for(i = [0 : len(rd_xtals) - 1])
+        pcb_grid(pcb, [0.5, 1, 1.5, 9, 1][i], [0, 2, 6.5, 6.5, 11][i])
+            rd_xtal(rd_xtals[i], value = rd_xtals[i][0], z = 1.5, pitch = [inch(0.1), inch(0.2), [inch(0.3), inch(0.3)], [inch(0.6), inch(0.3)], inch(0.2)][i]);
+}
+
+if($preview)
+    radials();

tests/rounded_cylinder.scad

@@ -27,6 +27,9 @@ module rounded_cylinders() {
 
     translate([30, 10])
         rounded_cylinder(10, 20, 3, 5, 270);
+
+    translate([65, 10])
+        rounded_top_rectangle([30, 20, 5], 3, 2);
 }
 
 rounded_cylinders();

tests/screws.scad

@@ -56,7 +56,7 @@ module screws() {
                     screw(screw, length);
             }
         }
-        translate([20, 40, -15])
+        translate([20, 60, -15])
             polysink_stl();
 }
 

tests/tubings.scad

@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/tubings.scad>
 
 module tubings()
-    layout([for(t = tubings) tubing_od(t)], 8)
+    layout([for(t = tubings) tubing_od(t)], 5)
         tubing(tubings[$i]);
 
 if($preview)

tests/veroboard.scad

@@ -36,11 +36,11 @@ z_vb = ["z_vb", "z_bed_terminal", 5, z_cable_ways / 2 + 12, inch(0.1), false, M3
 
 module veroboard_test() translate([vero_length(z_vb) / 2, vero_width(z_vb) / 2]) {
     vflip()
-        veroboard_assembly(z_vb, 12, 3);
+        veroboard_assembly(z_vb);
 
     translate([30, 0])
         rotate(180)
-            veroboard_assembly(z_vb, 12, 3);
+            veroboard_fastened_assembly(z_vb, 12, 3);
 }
 
 if($preview)

utils/core/global.scad

@@ -76,7 +76,7 @@ module render_if(render = true, convexity = 2)      //! Renders an object if `re
 
 module extrude_if(h, center = true)                 //! Extrudes 2D object to 3D when `h` is nonzero, otherwise leaves it 2D
     if(h)
-        linear_extrude(h, center = center, convexity = 2) // 3D
+        linear_extrude(h, center = center, convexity = 5) // 3D
             children();
     else
         children();                                 // 2D

utils/maths.scad

@@ -118,24 +118,24 @@ module position_children(list, t) //! Position children if they are on the Z = 0
 
 // Matrix inversion: https://www.mathsisfun.com/algebra/matrix-inverse-row-operations-gauss-jordan.html
 
-function augment(m) = let(l = len(m), n = identity(l)) [ //! Augment a matrix by adding an identity matrix to the right
+function augment(m) = let(l = len(m), n = identity(l)) [ // Augment a matrix by adding an identity matrix to the right
     for(i = [0 : l - 1])
         concat(m[i], n[i])
 ];
 
-function rowswap(m, i, j) = [ //! Swap two rows of a matrix
+function rowswap(m, i, j) = [ // Swap two rows of a matrix
     for(k = [0 : len(m) - 1])
         k == i ? m[j] : k == j ? m[i] : m[k]
 ];
 
-function solve_row(m, i) = let(diag = m[i][i]) [ //! Make diagonal one by dividing the row by it and subtract from other rows to make column zero
+function solve_row(m, i) = let(diag = m[i][i]) [ // Make diagonal one by dividing the row by it and subtract from other rows to make column zero
     for(j = [0 : len(m) - 1])
         i == j ? m[j] / diag : m[j] - m[i] * m[j][i] / diag
 ];
 
 function nearly_zero(x) = abs(x) < 1e-5; //! True if x is close to zero
 
-function solve(m, i = 0, j = 0) = //! Solve each row ensuring diagonal is not zero
+function solve(m, i = 0, j = 0) = // Solve each row ensuring diagonal is not zero
     i < len(m) ?
         assert(i + j < len(m), "matrix is singular")
          solve(!nearly_zero(m[i + j][i]) ? solve_row(j ? rowswap(m, i, i + j) : m, i) : solve(m, i, j + 1), i + 1)

utils/rounded_cylinder.scad

@@ -45,3 +45,22 @@ module rounded_cylinder(r, h, r2, ir = 0, angle = 360) //! Rounded cylinder give
     rotate_extrude(angle = angle)
         rounded_corner(r, h, r2, ir);
 }
+
+module rounded_top_rectangle(size, r, r2) { //! Make a rounded rectangle with a rounded top edge
+    hull() {
+        translate([size.x / 2 - r, size.y / 2 - r])
+            rounded_cylinder(r = r, h = size.z, r2 = r2, angle = 90);
+
+        translate([-size.x / 2 + r, size.y / 2 - r])
+            rotate(90)
+                rounded_cylinder(r = r, h = size.z, r2 = r2, angle = 90);
+
+        translate([-size.x / 2 + r, -size.y / 2 + r])
+            rotate(180)
+                rounded_cylinder(r = r, h = size.z, r2 = r2, angle = 90);
+
+        translate([size.x / 2 - r, -size.y / 2 + r])
+            rotate(270)
+                rounded_cylinder(r = r, h = size.z, r2 = r2, angle = 90);
+    }
+}

vitamins/axial.scad

@@ -23,8 +23,9 @@
 include <../utils/core/core.scad>
 include <../utils/round.scad>
 
-module wire_link(d, l, h = 1, tail = 3) { //! Draw a wire jumper link. If `l` is zero then a vertical wire is drawn.
+module wire_link(d, l, h = 1, tail = 3, sleeve = false) { //! Draw a wire jumper link. `sleeve` can be a list with the diameter and colour. If `l` is zero then a vertical wire is drawn.
-    vitamin(str("wire_link(", d, ", ", l, arg(h, 1, "h"), arg(tail, 3, "tail"),  "): Wire link ", d, "mm x ", l ? str(l / inch(1), "\"") : str(h + tail,"mm")));
+    vitamin(str("wire_link(", d, ", ", l, arg(h, 1, "h"), arg(tail, 3, "tail"), arg(sleeve, false, "sleeve"),
+                             "): Wire link ", d, "mm x ", l ? str(l / inch(1), "\"") : str(h + tail,"mm"), sleeve ? str(" with ", sleeve[1], " sleeving") : ""));
     r = d;
     $fn = 32;
 
@@ -48,6 +49,12 @@ module wire_link(d, l, h = 1, tail = 3) { //! Draw a wire jumper link. If `l` is
     else
         translate_z(-tail)
             cylinder(d = d, h = tail + h);
+
+    if(sleeve)
+        color(sleeve[1])
+            translate_z(h)
+                rotate([0, 90, 0])
+                    cylinder(d = sleeve[0], h = l - 2 * r, center = true);
 }
 
 function ax_res_wattage(type) = type[1]; //! Power rating

vitamins/bearing_block.scad

@@ -41,6 +41,17 @@ function scs_circlip(type)              = type[15]; //! Circlip used
 function scs_spacer(type)               = type[16]; //! Spacer used in long bearings
 
 
+function sbr_size(type)                 = [type[4],type[6],type[5]]; //! Size of SBR bracket bounding block
+function sbr_hole_offset(type)          = type[2]; //! Offset of bearing hole from base of *rail*
+function sbr_side_height(type)          = type[3]; //! Height of side above *rail*
+function sbr_screw(type)                = type[10]; //! Screw type
+function sbr_screw_separation_x(type)   = type[7];  //! Screw separation in X direction
+function sbr_screw_separation_z(type)   = type[8];  //! Screw separation in Z direction
+function sbr_bearing(type)              = type[12]; //! Linear bearing used
+function sbr_circlip(type)              = type[13]; //! Circlip used
+function sbr_spacer(type)               = type[14]; //! Spacer used in long bearings
+
+
 sks_bearing_block_colour = grey(90);
 
 module scs_bearing_block(type) { //! Draw the specified SCS bearing block
@@ -63,11 +74,6 @@ module scs_bearing_block(type) { //! Draw the specified SCS bearing block
     bearing = scs_bearing(type);
     clip = scs_circlip(type);
 
-    module right_trapezoid(base, top, height, h = 0, center = true) {//! A right angled trapezoid with the 90° corner at the origin. 3D when `h` is nonzero, otherwise 2D
-        extrude_if(h, center = center)
-            polygon(points = [ [0,0], [base, 0], [top, height], [0, height] ]);
-    }
-
     boltHoleRadius = screw_clearance_radius(S1);
     footHeight = min(0.75, (G - bearing_dia(bearing) - 1.5) / 2); // estimate, not specified on drawings
 
@@ -169,3 +175,142 @@ module scs_bearing_block_assembly(type, part_thickness, screw_type, nut_type) {
                     washer(washer_type);
     }
 }
+
+/* SBR bearing blocks */
+
+module sbr_bearing_block(type) { //! Draw the specified SBR bearing block
+    vitamin(str("sbr_bearing_block(", type[0], "): ", type[0], " bearing block"));
+
+    T = type[1];
+    h = sbr_hole_offset(type);
+    H = sbr_side_height(type);
+
+    W = sbr_size(type)[0];
+    G = sbr_size(type)[1];
+    M = sbr_size(type)[2];
+    J = sbr_screw_separation_x(type);
+    K = sbr_screw_separation_z(type);
+    S1 = sbr_screw(type);
+    I = type[11];           // screw length
+
+    S2 = type[15];
+    S2L = type[16];
+
+    bearing = sbr_bearing(type);
+    clip = sbr_circlip(type);
+    chamfer = 1.5;
+    A = type[9];            // size of chamfered overhang - vertical
+    Ah = A + chamfer * 2;   // size of chamfered overhand - horizontal - not given in drawings
+
+    width = W - (2 * chamfer);
+    height = G - chamfer;
+
+    boltHoleRadius = screw_radius(S1);
+    setScrewRadius = screw_radius(S2);
+
+    color(sks_bearing_block_colour) {
+        render() difference() {
+            linear_extrude(M, center = true, convexity=2) {
+                cutoutheight = 15; // chosen to fit SBR16, may not work with others
+                bearingRadius = bearing_dia(bearing) / 2;
+                bearingTheta = open_bearing_theta(bearing);
+                bearingOpening = open_bearing_width(bearing);
+                bearingOpeningBig = bearingOpening + (tan(bearingTheta/2) * cutoutheight);
+                // center section with bearing hole
+                difference() {
+                    translate([-width/2, -(H-h - chamfer)])
+                        square([width, height]);
+                    circle(r = bearingRadius);
+                    for(m = [0, 1])
+                        mirror([m, 0, 0])
+                            translate([0, h - (cutoutheight/2) - H + G + 0.1])
+                                right_trapezoid(bearingOpening/2, bearingOpeningBig/2, cutoutheight/2);
+                }
+                // add the sides
+                for(m = [0, 1])
+                    mirror([m, 0, 0]) {
+                        translate([-(W/2) + chamfer, -((H-h))]) {
+                            difference() {
+                                union() {
+                                    right_trapezoid(Ah - chamfer,Ah,chamfer);
+                                    rotate([0,0,90])
+                                        right_trapezoid(A + chamfer,A,chamfer);
+                                }
+                                translate([-(chamfer +0.1), -0.1,0])
+                                    right_trapezoid(chamfer/2 + 0.2, 0, chamfer/2+ 0.2);
+                            }
+                        }
+                    }
+            }
+            // bolt holes
+            for(x = [-J / 2, J / 2])
+                translate([x, h - H + I/2 - 0.1, 0])
+                    rotate([90, 0, 0])
+                        for (y = [-K / 2, K / 2])
+                            translate([0, y])
+                                cylinder(r = boltHoleRadius, h=I + 0.1, center=true);
+
+            // set screw holes
+            translate([-width/2 + S2L/2 - 0.1,0,0])
+                rotate([0,90,0])
+                    cylinder(r = setScrewRadius, h=S2L, center=true);
+
+            translate([0,-(H-h) + chamfer + S2L/2 -0.1,0])
+                rotate([0,90,90])
+                    cylinder(r = setScrewRadius, h=S2L, center=true);
+
+        }
+    }
+    not_on_bom() no_explode() {
+        spacer = sbr_spacer(type);
+        for(end = spacer ? [-1, 1] : 0)
+            translate_z(end * (bearing_length(bearing) + spacer) / 2)
+                rotate([0,0,-90])
+                    linear_bearing(bearing);
+
+        for(end = [-1, 1])
+            translate_z(end * ((spacer ? 2 * bearing_length(bearing) + spacer : bearing_length(bearing)) + circlip_thickness(clip)) / 2)
+                rotate(180)
+                    internal_circlip(clip);
+
+        translate([-width/2 - 0.1,0,0])
+            rotate([0,90,180])
+               screw(S2, S2L);
+        translate([0,-(H-h) + chamfer - 0.1,0])
+            rotate([0,90,270])
+                screw(S2, S2L);
+    }
+}
+
+module sbr_bearing_block_hole_positions(type) { //! Place children at hole positions
+    y = sbr_hole_offset(type) - sbr_side_height(type);
+    screw_separation_x = sbr_screw_separation_x(type);
+    screw_separation_z = sbr_screw_separation_z(type);
+
+    for(x = [-screw_separation_x, screw_separation_x], z = [-screw_separation_z, screw_separation_z])
+        translate([x / 2, y, z / 2])
+            rotate([-90, 0, 0])
+                children();
+}
+
+module sbr_bearing_block_assembly(type, part_thickness, screw_type) { //! Assembly with screws in place
+
+    I = type[11]; // screw length
+    sbr_bearing_block(type);
+    screw_type = is_undef(screw_type) ? sbr_screw(type) : screw_type;
+    G = sbr_size(type)[1];
+
+    screw_length = screw_shorter_than(I + part_thickness);
+
+    translate([0,-part_thickness,0])
+        sbr_bearing_block_hole_positions(type)
+            rotate([0,180,0])
+                screw(screw_type, screw_length);
+}
+
+/* Generic bearing block functions */
+
+module right_trapezoid(base, top, height, h = 0, center = true) {//! A right angled trapezoid with the 90° corner at the origin. 3D when `h` is nonzero, otherwise 2D
+    extrude_if(h, center = center)
+        polygon(points = [ [0,0], [base, 0], [top, height], [0, height] ]);
+}

vitamins/bearing_blocks.scad

@@ -36,8 +36,12 @@ SCS10LUU  = ["SCS10LUU",  8, 13, 20, 40, 68, 26,   21, 28,   45, 6,    M5_cap_sc
 SCS12LUU  = ["SCS12LUU",  8, 15, 21, 42, 70, 28,   24, 30.5, 50, 5.75, M5_cap_screw, 4.3, 12, LM12UU, circlip_21i, 4];
 SCS16LUU  = ["SCS16LUU",  9, 19, 25, 50, 85, 38.5, 32.5, 36, 60, 7,    M5_cap_screw, 4.3, 12, LM16UU, circlip_28i, 4];
 
+//                        T  h   H   W   M   G     J   K   A  S1            I   LB                         S2             S2L
+SBR16UU   = ["SBR16UU",  16, 25, 45, 45, 45, 33,   32, 30, 9, M5_cap_screw, 12, LM16UUOP, circlip_28iw, 0, M5_grub_screw, 5];
 
 scs_bearing_blocks = [SCS6UU, SCS8UU,  SCS10UU, SCS12UU, SCS16UU];
 scs_bearing_blocks_long = [SCS8LUU,  SCS10LUU, SCS12LUU, SCS16LUU];
 
+sbr_bearing_blocks = [SBR16UU];
+
 use <bearing_block.scad>

vitamins/camera.scad

@@ -91,7 +91,7 @@ module camera(type, show_lens = true, fov_distance = 0, fov = undef) {
             color("orange")
                 hull() {
                     translate_z(flex.y /2)
-                        translate(camera_lens_offset(type) + [0, camera_lens(type)[0][0].y / 2])
+                        translate(camera_lens_offset(type) + [0, sign(pos.y) * camera_lens(type)[0][0].y / 2, 0])
                             cube([flex.x, eps, flex.y], center = true);
 
                     translate_z(conn.z - flex.y)

vitamins/cameras.scad

@@ -70,6 +70,92 @@ rpi_camera = ["rpi_camera", "Raspberry Pi focusable camera", rpi_camera_pcb, [0,
     [0, 18 - 1.5 - 2.5], [8, 5, 1.6]
 ];
 
-cameras = [rpi_camera_v1, rpi_camera_v2, rpi_camera];
+esp32_cam_x = 1; // Seems to vary as mine is offset but pictures on the web show it more centered.
+
+ESP32_module =  ["", "", 18, 26, 0.8,   0, 0.7, [1.1, 1.1, 0, gold], grey(18), false, [
+        for(x = [0,1], y = [0:13]) [x * 18, y * 1.27 + 1.4],       // Hole positions on the edge
+        for(x = [0:9]) [18 / 2 + (x - 4.5) * 1.27, 0],
+
+    ],
+    [
+        [18 / 2,        9.7 - 3.4 / 2 , 0, "block", 15.75, 17.6 - 3.4, 2.2, silver, false, 0.3, 0.3], // can
+        [18 / 2 - 2.65, 9.7 ,           0, "block", 10.4,  17.6,       2.2, silver, false, 0.3, 0.3], // can
+        [12.7, -6.5,  45, "smd_res", RES0502],
+        [15.15, -8.3, -90, "smd_coax", U_FL_R_SMT_1],
+        // Antenna
+        let(x = [0.9, 3.2, 5.7, 8.1, 10.6, 12.8, 15, 15.2])
+        each [
+            for(i = [0, 5,6,7])  [x[i],                -2.8,  0, "block", 0.6,             4.8, 0.2, gold], // long verticals
+            for(i = [1: 4])      [x[i],                -2.05, 0, "block", 0.6,             3.3, 0.2, gold], // short verticals
+            for(i = [0, 2, 4,5])[(x[i] + x[i + 1]) / 2, -0.7, 0, "block", x[i + 1] - x[i], 0.6, 0.2, gold], // top horizontals
+            for(i = [1, 3])     [(x[i] + x[i + 1]) / 2, -3.4, 0, "block", x[i + 1] - x[i], 0.6, 0.2, gold], // lower horizontals
+        ]
+     ],
+];
+
+ESP32_CAM_pcb = ["", "", 27, 40, 1.7, 2.5, 0, 0, grey(15), false, [],
+    [
+        [27 / 2, 26 / 2, 0, "-pcb", 0, ESP32_module],
+        for(side = [-1, 1]) [side * inch(0.45) + 27 / 2, -(4.2 + inch(.35)), 0, "-2p54header", 1, 8],
+        [ 27 / 2, -8, 90, "uSD", [14.85, 14.65, 1.8]],
+        [ 27 / 2 + 1, 15, 0, "flat_flex", false],
+        [ 27 / 2 + inch(0.45), 10.5, 0, "block", 3, 3, 0.8, grey(90)],
+        [ 27 / 2 + inch(0.45), 10.5, 0, "block", 2.9, 2.9, 0.81, "yellow", true, 2.9 / 2 - eps],
+        [ 27 / 2, 3,                 0, "text", 15, 2, "ESP32-CAM", "Liberation Sans:style=Bold"],
+        [0.5, -(4.7 + inch(.35)), 90, "text", inch(0.75), 0.9, "IO4 IO2 IO14 IO15 IO13 IO12 GND  5V", "Liberation Sans:style=Bold"],
+        [26.5, -(4.6 + inch(.35)), -90, "text", inch(0.77), 0.9, "3V3 1O16 IO0 GND VCC U0R U0T GND", "Liberation Sans:style=Bold"],
+        [5.5, -3.3, 90, "-chip", 4,  3, 1.6, silver],   // Mock button surround
+        [5.5, -3.3, 90, "-chip", 1.8,0, 2.0, grey(20)], // Mock button
+       [10, -10.8, 0, "-smd_led", LED0603, "red"],
+        [-6.5, -5,  0, "-smd_soic", SOIC8],
+        [12.2, -4.5, 180, "-smd_sot", SOT223, "AMS1117"],
+        [25.3, 14, 0,   "smd_sot", SOT23],
+        [3.0,  14, 0,   "smd_sot", SOT23],
+        [8,    20, 90,  "smd_sot", SOT23],
+        [16,   20, 90,  "smd_sot", SOT23],
+        [3.0,  11.5,0,  "smd_res", RES0502],
+        [2.9,  10.3,0,  "smd_res", RES0502],
+        [5.4,  20,  90, "smd_cap", CAP0603, 0.5],
+        [11.5, 20,  90, "smd_cap", CAP0603, 0.5],
+        [18.7, 20,  90, "smd_cap", CAP0603, 0.5],
+        [19.9, 20,  90, "smd_cap", CAP0402, 0.3],
+        for(i = [0, 1, 2, 4]) [7.6 + i * 1.09, 8.8, 90, "smd_res", RES0502],
+        for(i = [0 : 3]) [-4.8, 20 + i * 1.09, 0, "smd_res", RES0502],
+        for(i = [3, 5, 8]) [7.6 + i * 1.09, 8.8, 90, "smd_cap", CAP0502, 0.5],
+        [-8.1, 23, 90, "smd_res", RES0502],
+        [-9.2, 23, 90, "smd_res", RES0502],
+        [-6.3, 23.3, 180, "text", 0.8, 0.7, "5V", "Liberation Sans:style=Bold"],
+        [-6.5, 22.2, 180, "text", 1.2, 0.7, "3V3", "Liberation Sans:style=Bold"],
+        [8, -3.3, 90, "-smd_cap", CAP0603, 0.5],
+        [2, -2, 0, "-text", 2.3, 1, "RST", "Liberation Sans:style=Bold"],
+        [10,-9.4, 0, "-text", 3.1, 1, "LED1", "Liberation Sans:style=Bold"],
+        [12.4, -10.8, 0, "-smd_res", RES0502],
+        [13.7, -9.4,  0, "-smd_cap", CAP0603, 0.5],
+        [17.2,-9.4,   0, "-smd_cap", CAP0502, 0.4],
+        [22.1, -10.8, 0, "-smd_res", RES0502],
+        [16.9, -4.8, 90, "-smd_res", RES0502],
+        [2.2,  9.0,  90, "-smd_cap", CAP0502, 0.4],
+        [2.2, 11.6,  90, "-smd_cap", CAP0502, 0.4],
+        [2.2, 14.2,  90, "-smd_res", RES0502],
+        [5.9, -9.4,  90, "-smd_tant", TANT_B, "107A"],
+
+     ],
+    [],
+    [(27 - inch(0.9)) / 2, 40 - 4.2 - inch(0.7), 2, 8, silver, inch(0.9), inch(0.1)], // 8x2 grid of holes
+];
+
+ESP32_CAM = ["ESP32_CAM", "ESP32-CAM Camera module", ESP32_CAM_pcb, [esp32_cam_x, pcb_width(ESP32_CAM_pcb) / 2 - 12, 1.8],
+    [
+        [[8, 8, 2.4], 0],
+        [[0, 0, 4.2], 4],
+        [[0, 0, 6.3], 3.5, [1, 1, 0.5]],
+    ],
+    [1, -4], [15, 2.2, 1],
+    [54, 41] // FOV
+];
+
+
+
+cameras = [rpi_camera_v1, rpi_camera_v2, rpi_camera, ESP32_CAM];
 
 use <camera.scad>

vitamins/circlip.scad

@@ -32,14 +32,14 @@ function circlip_thickness(type) = type[4];     //! Thickness
 function circlip_a(type)         = type[5];     //! Size of the lugs
 function circlip_b(type)         = type[6];     //! Widest part of the taper
 function circlip_d5(type)        = type[7];     //! Plier hole diameter
+function circlip_closed_angle(type)    = is_undef(type[8]) ? 25 : type[8];     //! Closed angle
 
 circlip_colour = grey(20);
-closed_angle = 25;
 
 module internal_circlip(type, open = 0) { //! Draw specified internal circlip, open = 0, for nominal size installed, 1 for relaxed uninstalled, -1 for squeezed to install
     d1 = circlip_d1(type);
-
+    wide = is_undef(type[8]) ? "" : " (wide opening)";
-    vitamin(str("circlip(", type[0], "): Circlip internal ", d1, "mm"));
+    vitamin(str("circlip(", type[0], "): Circlip internal ", d1, "mm",wide));
     d3 = circlip_d3(type);
     d2 = circlip_d2(type);
     a = circlip_a(type);
@@ -50,7 +50,7 @@ module internal_circlip(type, open = 0) { //! Draw specified internal circlip, o
     or = od / 2;
     c = (d3 - d1);
 
-    angle = (od - d1) / d1 * 360 + closed_angle;
+    angle = (od - d1) / d1 * 360 + circlip_closed_angle(type);
     tab_angle = 360 * a / PI / od;
     p = [0, -or + b / 2, 1] * rot3_z(angle / 2 + tab_angle);
     pitch = (or - a / 2);

vitamins/circlips.scad

@@ -22,7 +22,8 @@ circlip_15i = ["circlip_15i", 15, 15.7, 16.2, 1.0, 3.7, 2.0, 1.7];
 circlip_19i = ["circlip_19i", 19, 20.0, 20.5, 1.0, 4.1, 2.2, 2.0];
 circlip_21i = ["circlip_21i", 21, 22.0, 22.5, 1.0, 4.2, 2.4, 2.0];
 circlip_28i = ["circlip_28i", 28, 29.4, 30.1, 1.2, 4.8, 2.9, 2.0];
+circlip_28iw = ["circlip_28iw", 28, 29.4, 30.1, 1.2, 4.8, 2.9, 2.0, 100]; // with wide opening
 
-circlips = [circlip_12i, circlip_15i, circlip_19i, circlip_21i, circlip_28i];
+circlips = [circlip_12i, circlip_15i, circlip_19i, circlip_21i, circlip_28i, circlip_28iw];
 
 use <circlip.scad>

vitamins/component.scad

@@ -41,7 +41,7 @@ function resistor_sleeved(type)       = type[9]; //! Are the leads sleeved
 
 splay_angle = 2; // radial lead splay angle
 
-module resistor(type) { //! Draw specified type of resitor
+module resistor(type) { //! Draw specified type of resistor
     length = resistor_length(type);
     dia = resistor_diameter(type);
 
@@ -190,10 +190,7 @@ module al_clad_resistor(type, value, leads = true) { //! Draw an aluminium clad
                 cylinder(r = leads ? 3 : height / 2 - 2, h = length + eps, center = true);
 }
 
-module al_clad_resistor_assembly(type, value, sleeved = true) { //* Draw aluminium clad resistor with optional sleaving, positions children at the screw positions
+module al_clad_resistor_assembly(type, value, sleeved = true, sleeving = HSHRNK32, sleeving_length = 15) { //! Draw aluminium clad resistor with optional sleaving, positions children at the screw positions
-    sleeving_length = 15;
-    sleeving = HSHRNK32;
-
     al_clad_resistor(type, value);
 
     if(sleeved)
@@ -207,52 +204,55 @@ module al_clad_resistor_assembly(type, value, sleeved = true) { //* Draw alumini
         children();
 }
 
+TO220_hole_y = 2.9; // Distance to hole from top of tab
+
+function TO220_size() = [10.2, 15, 4.4]; //! Size of a TO220
 function TO220_thickness() = 1.5; //! Thickness of the tab of a TO220
+function TO220_lead_pos(i, l) =  //! Position of ith lead end when length = l
+    [i * inch(0.1), -TO220_size().y + TO220_hole_y - l, 1.9];
 
 module  TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 package, use `description` to describe what it is
-    width = 10.2;
+    s = TO220_size();
     inset = 1.5;
     hole = 3.3;
-    length = 15;
-    height = 4.4;
-    lead_height = 1.9;
     lead_t = 0.4;
     lead_w = 0.7;
     lead_w2 = 1.4;
     lead_l = 4.2;
     body = 8;
-    hole_y = 2.9;
 
     vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), "): ", description));
 
-    translate([0, -length + hole_y]) {
+    translate([0, -s.y + TO220_hole_y]) {
-        color("silver") {
+        color("silver")
             linear_extrude(TO220_thickness())
                 difference() {
-                    translate([-width / 2, inset])
+                    translate([-s.x / 2, inset])
-                        square([width, length - inset]);
+                        square([s.x, s.y - inset]);
 
-                    translate([0, length - hole_y])
+                    translate([0, s.y - TO220_hole_y])
                         circle(d = hole);
 
                     for(side = [-1, 1])
-                        translate([side * width / 2, 0])
+                        translate([side * s.x / 2, 0])
                             square([inset * 2, body * 2], center = true);
                 }
 
-            for(i = [-1 : 1])
-                if(i || leads == 3) {
-                    translate([inch(0.1) * i, -lead_length / 2, lead_height])
-                        cube([lead_w, lead_length, lead_t], center = true);
-
-                    translate([inch(0.1) * i, -lead_l / 2, lead_height])
-                        cube([lead_w2, lead_l, lead_t], center = true);
-                }
-        }
         color("dimgrey")
-            translate([-width / 2, 0, eps])
+            translate([-s.x / 2, 0, eps])
-                cube([width, body, height]);
+                cube([s.x, body, s.z]);
     }
+
+    color(silver)
+        for(i = [-1 : 1])
+            if(i || leads == 3) {
+                translate(TO220_lead_pos(i, lead_length / 2))
+                    cube([lead_w, lead_length, lead_t], center = true);
+
+                translate(TO220_lead_pos(i, lead_l / 2))
+                    cube([lead_w2, lead_l, lead_t], center = true);
+            }
+
     translate_z(TO220_thickness())
         children();
 }

vitamins/faston.scad

@@ -0,0 +1,219 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Faston receptacles to mate with spade connectors
+//
+include <../utils/core/core.scad>
+include <../utils/sector.scad>
+
+function faston_width(type)         = type[1];  //! Width of matching spade
+function faston_size(type)          = type[2];  //! Size of the receptical part
+function faston_d_top(type)         = type[3];  //! Radius of the clips
+function faston_d_bot(type)         = type[4];  //! Radius of bottom corners
+function faston_t(type)             = type[5];  //! Thickness
+function faston_wire_crimp_l(type)  = type[6];  //! Length of the wire crimp
+function faston_wire_crimp_d(type)  = type[7];  //! Outside diameter of the wire crimp
+function faston_wire_crimp_p(type)  = type[8];  //! Position of the tip of the wire crimp
+function faston_fillet_d(type)      = type[9];  //! Fillets at the transition
+function faston_wall_h(type)        = type[10]; //! Height of transition web wall
+function faston_insul_crimp_l(type) = type[11]; //! Length of the insulation crimp
+function faston_insul_crimp_d(type) = type[12]; //! Outside diameter of the insulation crimp
+function faston_insul_crimp_p(type) = type[13]; //! Position of the tip of the insulation crimp
+function faston_insul_crimp_o(type) = type[14]; //! Offset of insulation crimp
+function faston_length(type) = //! Total length of crimp
+    faston_insul_crimp_p(type).z + faston_insul_crimp_l(type);
+
+function faston_insul_stop(type) = //! Position where insulation stops
+   faston_wire_crimp_p(type).z + faston_wire_crimp_l(type);
+
+module faston(type, closed = false) { //! Draw specified faston
+    vitamin(str("faston(", type[0], "): Faston part no ", type[0], " to fit ", faston_width(type), "mm spade"));
+    s = faston_size(type);
+    r_top = faston_d_top(type) / 2;
+    r_bot = faston_d_bot(type) / 2;
+    t =  faston_t(type);
+    wc_l = faston_wire_crimp_l(type);
+    wc_r = faston_wire_crimp_d(type) / 2;
+    wc_p = faston_wire_crimp_p(type);
+    fillet_r = faston_fillet_d(type) / 2;
+    wall_h = faston_wall_h(type);
+
+    ic_l = faston_insul_crimp_l(type);
+    ic_r = faston_insul_crimp_d(type) / 2;
+    ic_p = faston_insul_crimp_p(type);
+    ic_o = faston_insul_crimp_o(type);
+
+    $fn = 64;
+    // Receptical
+    module reciptical_shape()
+        for(side = [-1, 1]) mirror([side < 0 ? 1 : 0, 0]) {
+            translate([s.x / 2  - r_top, s.y - r_top])
+                difference() {
+                    sector(r_top, 0, 180);
+                    sector(r_top - t, 0, 180);
+                }
+
+            translate([s.x / 2 - r_bot, r_bot])
+                difference() {
+                    sector(r_bot, -90, 0);
+                    sector(r_bot - t, -90, 0);
+                }
+
+            translate([s.x / 2 - t, r_bot])
+                square([t, s.y - r_top - r_bot]);
+
+            square([s.x / 2 - r_bot, t]);
+        }
+
+
+    module crimp_shape(p, r, offset = 0) {
+        hpot = norm([p.x, p.y] - [0, r + offset]);
+        opp = sqrt(sqr(hpot) - sqr(r));
+        angle = atan((p.y - (r + offset)) / p.x) - acos(r / hpot);
+        r_crimp = r / 2 - eps;
+        lift = -0.1;
+        z = (opp - r * 2 * PI / -angle / 360 - PI * r_crimp) / 2 + lift / 2;
+
+        for(side = [-1, 1]) mirror([side < 0 ? 1 : 0, 0])
+            translate([0, r + offset]) {
+                difference() {
+                    sector(r, 270, 360 + (closed ? 0 : angle));
+
+                    circle(r - t);
+                }
+
+                if(!closed)
+                    rotate(angle)
+                        translate([r - t, -eps])
+                            square([t, opp]);
+                else {
+                    translate([r - r_crimp, z])
+                        difference() {
+                            sector(r_crimp, 0, 180);
+
+                            circle(r_crimp - t);
+                        }
+                    translate([r - t, 0])
+                        square([t, z]);
+
+                    translate([r - 2 * r_crimp, lift])
+                        square([t, z - lift]);
+
+                }
+           }
+    }
+
+    // Wire crimp
+    module wire_crimp_shape() crimp_shape(wc_p, wc_r);
+
+    // Insulation crimp
+    module insul_crimp_shape() crimp_shape(ic_p, ic_r, ic_o);
+
+    module crop(z = 0)
+        intersection() {
+            children();
+
+            square([s.x, 2 * (wall_h + fillet_r + z)], center = true);
+        }
+
+    color(silver) translate([0, -t]) {
+        // Transition from reciptical to wire crimp
+        render() difference() {
+           hull() {
+                translate_z(s.z)
+                    linear_extrude(eps)
+                        crop()
+                            reciptical_shape();
+
+                translate_z(wc_p.z - eps)
+                    linear_extrude(eps)
+                        crop()
+                            wire_crimp_shape();
+            }
+            translate([0, s.y, (s.z + wc_p.z) / 2])
+                rotate([0, 90, 0])
+                    rounded_rectangle([wc_p.z - s.z, 2 * (s.y - wall_h), s.x + 1], fillet_r, center = true);
+
+            hull() {
+                translate_z(s.z - eps)
+                    linear_extrude(eps)
+                        offset(-t)
+                            crop(t)
+                                hull()
+                                    reciptical_shape();
+
+                translate_z(wc_p.z + eps / 8)
+                    linear_extrude(eps / 8)
+                        offset(-t)
+                            crop(t)
+                                hull()
+                                    wire_crimp_shape();
+            }
+        }
+        // Transition from wire crimp to insulation crimp
+        render() difference() {
+           hull() {
+                translate_z(wc_p.z + wc_l)
+                    linear_extrude(eps)
+                         wire_crimp_shape();
+
+                translate_z(ic_p.z - eps)
+                    linear_extrude(eps)
+                         insul_crimp_shape();
+            }
+
+            gap = ic_p.z - wc_p.z - wc_l;
+            d = gap * 2 / 3;
+            translate([0, wall_h + fillet_r - gap / 2, ic_p.z - d / 2])
+                hull() {
+                    rotate([0, 90, 0])
+                        cylinder(d = d, h = 10, center = true);
+
+                    translate([-5, d / 2, d / 2 - gap])
+                        cube([10, 10, gap]);
+                }
+
+            hull() {
+                translate_z(wc_p.z + wc_l - eps)
+                    linear_extrude(eps)
+                        offset(-t)
+                            hull()
+                                wire_crimp_shape();
+
+                translate_z(ic_p.z + eps / 8)
+                    linear_extrude(eps / 8)
+                        offset(-t)
+                             hull()
+                                insul_crimp_shape();
+            }
+        }
+
+        linear_extrude(s.z)
+            reciptical_shape();
+
+        translate_z(wc_p.z)
+            linear_extrude(wc_l)
+                wire_crimp_shape();
+
+        translate_z(ic_p.z)
+            linear_extrude(ic_l)
+                insul_crimp_shape();
+    }
+}

vitamins/fastons.scad

@@ -0,0 +1,28 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Faston receptacles to mate with spade connectors
+//
+
+5_160430_7 = ["5_160430_7", 4.75, [5.6, 2.56, 6.3], 2.25, 1.13, 0.32, 3.2, 1.64, [1.64, 3.09, 9], 0.5, 0.96, 1.7, 3.53, [2.08, 4.47, 13.3], -0.4];
+
+fastons = [5_160430_7];
+
+use <faston.scad>

vitamins/leds.scad

@@ -25,10 +25,11 @@
 //                          d    t     h     h
 //                                     t          t
 //
-LED3mm  = ["LED3mm",   3,  3.1, 1.0,  4.5, 2.54, 0.4];
+LED3mm  = ["LED3mm",   3,  3.15, 1.15, 4.6, 2.54, 0.4];
-LED5mm  = ["LED5mm",   5,  5.6, 0.9,  8.5, 2.54, 0.4];
+LED5mm  = ["LED5mm",   5,  5.9,  1.1,  9.0, 2.54, 0.4];
-LED10mm = ["LED10mm", 10, 11.0, 2.0, 13.5, 2.54, 0.4];
+LED8mm  = ["LED8mm",   8,  9.2,  1.95,11.0, 2.54, 0.4];
+LED10mm = ["LED10mm", 10, 11.0,  2.0, 13.5, 2.54, 0.4];
 
-LEDs = [LED3mm, LED5mm, LED10mm];
+LEDs = [LED3mm, LED5mm, LED8mm, LED10mm];
 
 use <led.scad>

vitamins/linear_bearing.scad

@@ -23,6 +23,7 @@
 include <../utils/core/core.scad>
 
 use <../utils/tube.scad>
+use <../utils/sector.scad>
 
 bearing_colour = grey(70);
 groove_colour = grey(60);
@@ -36,6 +37,10 @@ function bearing_groove_length(type)    = type[4];   //! Groove length
 function bearing_groove_dia(type)       = type[5];   //! Groove diameter
 function bearing_groove_spacing(type)   = type[6];   //! Spacing between grooves, outer to outer, ie includes the grooves themselves
 
+function open_bearing_width(type)       = type[7]; //! For open bearings, the width of the opening at the rod
+function open_bearing_theta(type)       = 2 * asin(open_bearing_width(type) / bearing_rod_dia(type)); //! For open bearings, the angle of the opening
+
+
 function bearing_radius(type)  = bearing_dia(type) / 2; //! Outside radius
 
 module linear_bearing(type) { //! Draw specified linear bearing
@@ -50,21 +55,34 @@ module linear_bearing(type) { //! Draw specified linear bearing
     gs = bearing_groove_spacing(type);
     offset = (length-gs)/2;
 
+    module cut_tube(or, ir, h, center = true)
+        linear_extrude(h, center = center, convexity = 5)
+            difference() {
+                ring(or = or, ir = ir);
+
+                // Open bearing
+                if (!is_undef(type[7])) {
+                    theta = open_bearing_theta(type);
+
+                    sector(or + 1, 180 - theta / 2, 180 + theta / 2);
+                }
+            }
+
     if(gs==0) {
         color(bearing_colour) tube(or = or, ir = casing_ir, h = length);
     } else {
         translate_z(-length/2) {
-            color(bearing_colour) tube(or = or, ir = casing_ir, h = offset, center = false);
+            color(bearing_colour)                           cut_tube(or = or, ir = casing_ir, h = offset, center = false);
-            color(groove_colour) translate_z(offset) tube(or = gr, ir = casing_ir, h = gl,center = false);
+            color(groove_colour)  translate_z(offset)       cut_tube(or = gr, ir = casing_ir, h = gl,center = false);
-            color(bearing_colour) translate_z(offset+gl) tube(or = or, ir = casing_ir, h = gs-2*gl, center = false);
+            color(bearing_colour) translate_z(offset+gl)    cut_tube(or = or, ir = casing_ir, h = gs-2*gl, center = false);
-            color(groove_colour) translate_z(offset+gs-gl) tube(or = gr, ir = casing_ir, h = gl, center = false);
+            color(groove_colour)  translate_z(offset+gs-gl) cut_tube(or = gr, ir = casing_ir, h = gl, center = false);
-            color(bearing_colour) translate_z(offset+gs) tube(or = or, ir = casing_ir, h = offset, center = false);
+            color(bearing_colour) translate_z(offset+gs)    cut_tube(or = or, ir = casing_ir, h = offset, center = false);
         }
     }
     rod_r =  bearing_rod_dia(type) / 2;
     color(seal_colour)
-        tube(or = casing_ir, ir = rod_r + eps, h = length - 0.5);
+        cut_tube(or = casing_ir, ir = rod_r + eps, h = length - 0.5);
 
     color(seal_colour * 0.8)
-        tube(or = rod_r * 1.12, ir = rod_r, h = length);
+        cut_tube(or = rod_r * 1.12, ir = rod_r, h = length);
 }

vitamins/linear_bearings.scad

@@ -20,25 +20,27 @@
 //
 // Linear bearings
 //
-//                     L  od  id   gl    gd    gs
+//                      L  od  id   gl    gd    gs   h1
-LM16UU  = ["LM16UU",  37, 28, 16, 1.6, 27.0, 26.5];
+LM16UU   = ["LM16UU",   37, 28, 16, 1.6, 27.0, 26.5];
-LM16LUU = ["LM16LUU", 70, 28, 16, 1.6, 27.0, 53.0];
+LM16LUU  = ["LM16LUU",  70, 28, 16, 1.6, 27.0, 53.0];
-LM12UU  = ["LM12UU",  30, 21, 12, 1.3, 20.0, 23.0];
+LM16UUOP = ["LM16UUOP", 37, 28, 16, 1.6, 27.0, 26.5, 11];
-LM12LUU = ["LM12LUU", 57, 21, 12, 1.3, 20.0, 46.0];
+LM12UU   = ["LM12UU",   30, 21, 12, 1.3, 20.0, 23.0];
-LM10UU  = ["LM10UU",  29, 19, 10, 1.3, 18.0, 22.0];
+LM12LUU  = ["LM12LUU",  57, 21, 12, 1.3, 20.0, 46.0];
-LM10LUU = ["LM10LUU", 55, 19, 10, 1.3, 18.0, 44.0];
+LM10UU   = ["LM10UU",   29, 19, 10, 1.3, 18.0, 22.0];
-LM8UU   = ["LM8UU",   24, 15,  8, 1.1, 14.3, 17.5];
+LM10LUU  = ["LM10LUU",  55, 19, 10, 1.3, 18.0, 44.0];
-LM8LUU  = ["LM8LUU",  45, 15,  8, 1.1, 14.3, 35.0];
+LM8UU    = ["LM8UU",    24, 15,  8, 1.1, 14.3, 17.5];
-LM6UU   = ["LM6UU",   19, 12,  6, 1.1, 11.5, 13.5];
+LM8LUU   = ["LM8LUU",   45, 15,  8, 1.1, 14.3, 35.0];
-LM6LUU  = ["LM6LUU",  35, 12,  6, 1.1, 11.5, 27.0];
+LM6UU    = ["LM6UU",    19, 12,  6, 1.1, 11.5, 13.5];
-LM5UU   = ["LM5UU",   15, 10,  5, 1.1,  9.5, 10.2];
+LM6LUU   = ["LM6LUU",   35, 12,  6, 1.1, 11.5, 27.0];
-LM5LUU  = ["LM5LUU",  28, 10,  5, 1.1,  9.5, 20.4];
+LM5UU    = ["LM5UU",    15, 10,  5, 1.1,  9.5, 10.2];
-LM4UU   = ["LM4UU",   12,  8,  4,   0,    0,    0];
+LM5LUU   = ["LM5LUU",   28, 10,  5, 1.1,  9.5, 20.4];
-LM4LUU  = ["LM4LUU",  23,  8,  4,   0,    0,    0];
+LM4UU    = ["LM4UU",    12,  8,  4,   0,    0,    0];
-LM3UU   = ["LM3UU",   10,  7,  3,   0,    0,    0];
+LM4LUU   = ["LM4LUU",   23,  8,  4,   0,    0,    0];
-LM3LUU  = ["LM3LUU",  19,  7,  3,   0,    0,    0];
+LM3UU    = ["LM3UU",    10,  7,  3,   0,    0,    0];
+LM3LUU   = ["LM3LUU",   19,  7,  3,   0,    0,    0];
 
 linear_bearings      = [LM3UU,  LM4UU,  LM5UU,  LM6UU,  LM8UU,  LM10UU,  LM12UU,  LM16UU];
 long_linear_bearings = [LM3LUU, LM4LUU, LM5LUU, LM6LUU, LM8LUU, LM10LUU, LM12LUU, LM16LUU];
+open_linear_bearings = [LM16UUOP];
 
 use <linear_bearing.scad>

vitamins/opengrab.scad

@@ -18,7 +18,7 @@
 //
 
 //
-//! Nicodrone OpenGrab V3 electro-permanent magnet, see <https://nicadrone.com/products/epm-v3>.
+//! Nicodrone OpenGrab V3 electro-permanent magnet, see <https://kb.zubax.com/display/MAINKB/OpenGrab+EPM+v3>.
 //!
 //! A permanent magnet that can be magnetized and de-magnetized electronically.
 //
@@ -37,14 +37,13 @@ pole_w = 2;
 pole_l = 36;
 poles = 15;
 
-pcb = ["", "",        width, width, 0.8, 0, 3.5, 0, "darkgreen", false, [],
+pcb = ["", "", width, width, 0.8, 0, 3.5, 0, "darkgreen", false, [],
-    [     [ 3.45,   19,   0, "button_4p5mm"],
+    [     [ 3.475,  19.05,    0, "button_4p5mm"],
-          [ 2.75,   24.5, 0, "smd_led", LED0805, "green"],
+          [ 2.2,    24.125,   0, "smd_led", LED0805, "green"],
-          [ 2.75,   28.0, 0, "smd_led", LED0805, "red"],
+          [ 2.375,  27.9,     0, "smd_led", LED0805, "red"],
-          [ 28.5,   13,   0, "2p54header", 3, 1, false, undef, true],
+          [ 28.4,   13.345,   0, "2p54header", 3, 1, false, undef, true],
      ]];
 
-
 module opengrab_hole_positions()    //! Position children at the screw positions
     let($d = 3.2)
         for($x = [-pitch, pitch], $y = [-pitch, pitch])
@@ -96,6 +95,17 @@ module opengrab() { //! Draw OpenGrab module
             if(show_threads)
                 female_metric_thread(3, metric_coarse_pitch(3), depth - 1, center = false, colour = brass);
         }
+
+    module molex()
+        translate_z(opengrab_pcb_z() + pcb_thickness(pcb))
+            color(grey(90))
+                import("stl/Molex_5023860470.stl");
+
+    translate([-8.4, -14.2])
+        molex();
+
+    translate([0.125, -14.2])
+        molex();
 }
 
 module opengrab_target() { //! Draw OpenGrab target

vitamins/pcb.scad

@@ -37,6 +37,7 @@ use <d_connector.scad>
 use <led.scad>
 use <dip.scad>
 use <axial.scad>
+use <radial.scad>
 use <smd.scad>
 use <terminal.scad>
 include <potentiometers.scad>
@@ -61,14 +62,14 @@ function pcb_size(type) = [pcb_length(type), pcb_width(type), pcb_thickness(type
 function pcb_component(type, name, index = 0) = //! Return the component specified by name and index
     [for(component = pcb_components(type)) if(component[3] == name) component][index];
 
-function pcb_grid_pos(type, x, y, z = 0) = //! Returns a pcb grid position
+function pcb_grid_pos(type, x, y, z = 0, i = 0) = //! Returns a pcb grid position
     let(grid = pcb_grid(type))
-        [-pcb_size(type).x / 2 + grid.x + x * (is_undef(grid[5]) ? 2.54 : grid[5]),
+        [-pcb_size(type).x / 2 + grid[i]     + x * (is_undef(grid[i + 5]) ? 2.54 : grid[i + 5]),
-         -pcb_size(type).y / 2 + grid.y + y * (is_undef(grid[6]) ? 2.54 : grid[6]),
+         -pcb_size(type).y / 2 + grid[i + 1] + y * (is_undef(grid[i + 6]) ? 2.54 : grid[i + 6]),
           pcb_size(type).z + z];
 
-module pcb_grid(type, x, y, z = 0)  //! Positions children at specified grid position
+module pcb_grid(type, x, y, z = 0, i = 0)  //! Positions children at specified grid position
-    translate(pcb_grid_pos(type, x, y, z))
+    translate(pcb_grid_pos(type, x, y, z, i))
         children();
 
 // allows negative ordinates to represent offsets from the far edge
@@ -115,6 +116,14 @@ module usb_A_tongue() {
                 }
 }
 
+module usb_vAx1(cutout = false) { //! Draw a vertical USB type A single socket
+    h = 5.8;
+    w = 13.8;
+    translate([0, h / 2, w / 2])
+        rotate([90, 0, 0])
+            usb_A(h = h, v_flange_l = 0, bar = 0, cutout = cutout, l = 14, h_flange_l = 0, flange_t = 0.3, w = w);
+}
+
 module usb_Ax1(cutout = false) { //! Draw USB type A single socket
     usb_A(h = 6.5, v_flange_l = 4.5, bar = 0, cutout = cutout);
 }
@@ -123,12 +132,8 @@ module usb_Ax2(cutout = false) { //! Draw USB type A dual socket
     usb_A(h = 15.6, v_flange_l = 12.15, bar = 3.4, cutout = cutout);
 }
 
-module usb_A(h, v_flange_l, bar, cutout) {
+module usb_A(h, v_flange_l, bar, cutout, l=17, h_flange_l = 11, flange_t = 0.4, w = 13.25) {
-    l = 17;
-    w = 13.25;
-    flange_t = 0.4;
     h_flange_h = 0.8;
-    h_flange_l = 11;
     v_flange_h = 1;
     socket_h = (h - 2 * flange_t - bar) / 2;
 
@@ -154,9 +159,11 @@ module usb_A(h, v_flange_l, bar, cutout) {
                 translate_z(l / 2 - flange_t)
                     linear_extrude(flange_t) difference() {
                         union() {
-                            square([h + 2 * h_flange_h, h_flange_l], center = true);
+                            if(h_flange_l)
+                                square([h + 2 * h_flange_h, h_flange_l], center = true);
 
-                            square([v_flange_l, w + 2 * v_flange_h], center = true);
+                            if(v_flange_l)
+                                square([v_flange_l, w + 2 * v_flange_h], center = true);
                         }
                         square([h - eps, w - eps], center = true);
                     }
@@ -164,7 +171,8 @@ module usb_A(h, v_flange_l, bar, cutout) {
 
                 for(z = bar ?  [-1, 1] : [0])
                     translate_z(z * (bar / 2 + socket_h / 2))
-                        usb_A_tongue();
+                        translate([l - 17, 0])
+                            usb_A_tongue();
             }
 }
 
@@ -921,12 +929,11 @@ module molex_254_housing(ways) { //! Draw a Molex KK housing
             for(side = [-1, 1])
                 translate([-depth / 2 - tab.x / 2, side * (pitch / 2 - tab.y / 4) * ways, tab.z / 2])
                     cube(tab, center = true);
-
         }
 }
 
 module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex KK header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version.
-    vitamin(str("molex_254(", ways, "): Molex KK header ", ways, " way"));
+    vitamin(str("molex_254(", ways, arg(right_angle, 0, "right_angle"), arg(skip, undef, "skip"), "): Molex KK header ", ways, " way", right_angle ? " right angle" : ""));
     pitch = 2.54;
     width = ways * pitch - 0.1;
     depth = 6.35;
@@ -937,7 +944,7 @@ module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex KK header
     above = 9;
     pin_w = 0.64;
     r = 1;
-    a = right_angle ? width / 2 - r - pin_w / 2 : above;
+    a = right_angle ? depth / 2 - r - pin_w / 2 : above;
     ra_offset = 2.2;
 
     color("white")
@@ -966,7 +973,7 @@ module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex KK header
 
                     l = above + ra_offset - r - pin_w / 2;
                     if(right_angle) {
-                        translate([-l / 2 - r - pin_w / 2, 0, width / 2])
+                        translate([-l / 2 - r - pin_w / 2, 0, depth / 2])
                             cube([l, pin_w, pin_w], center = true);
 
                         translate([-r - pin_w / 2, 0, a])
@@ -1063,7 +1070,7 @@ module trimpot10(vertical, cutout = false) { //! Draw a ten turn trimpot
              }
 }
 
-module block(size, colour, makes_cutout, cutouts) //! Draw a coloured cube to represent a random PCB component
+module block(size, colour, makes_cutout, cutouts, r = 0, rtop = 0) //! Draw a coloured cube to represent a random PCB component
     if(cutouts) {
         if(makes_cutout)
              translate([-50, 0, size.z / 2 - panel_clearance])
@@ -1071,8 +1078,10 @@ module block(size, colour, makes_cutout, cutouts) //! Draw a coloured cube to re
     }
     else
         color(colour)
-            translate_z(size.z / 2)
+            if(rtop)
-                cube(size, center = true);
+                let($fn = 32) rounded_top_rectangle(size, r, rtop);
+            else
+                rounded_rectangle(size, r);
 
 module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb component from description
     function show(comp, part) = (comp[3] == part || comp[3] == str("-",part)) && (!cutouts || angle == undef || angle == comp.z);
@@ -1083,11 +1092,13 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
                                         pin_header(2p54header, comp[4], comp[5], param(6, false), param(8, false), cutouts, colour = param(7, undef));
         if(show(comp, "2p54joiner"))    pin_header(2p54joiner, comp[4], comp[5], param(6, false), param(8, false), cutouts, colour = param(7, undef));
         if(show(comp, "2p54boxhdr")) let($show_plugs = show_plugs && param(7, true))
-                                        box_header(2p54header, comp[4], comp[5], param(6, false), cutouts);
+                                        box_header(2p54header, comp[4], comp[5], param(6, false), cutouts, param(8, false));
         if(show(comp, "2p54socket"))    pin_socket(2p54header, comp[4], comp[5], param(6, false), param(7, 0), param(8, false), cutouts, param(9, undef));
         if(show(comp, "chip"))          chip(comp[4], comp[5], comp[6], param(7, grey(30)), cutouts);
         if(show(comp, "rj45"))          rj45(cutouts);
         if(show(comp, "usb_A"))         usb_Ax1(cutouts);
+        if(show(comp, "usb_vAx1"))      usb_vAx1(cutouts);
+        if(show(comp, "usb_Ax1"))       usb_Ax1(cutouts);
         if(show(comp, "usb_Ax2"))       usb_Ax2(cutouts);
         if(show(comp, "usb_uA"))        usb_uA(cutouts);
         if(show(comp, "usb_miniA"))     usb_miniA(cutouts);
@@ -1106,7 +1117,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
         if(show(comp, "molex_usb_Ax1")) molex_usb_Ax1(cutouts);
         if(show(comp, "smd_led"))       smd_led(comp[4], comp[5], cutouts);
         if(show(comp, "7seg"))          let(z = param(6, 0)) translate_z(z) 7_segment_digits(comp[4], comp[5], pin_length = z + 3, cutout = cutouts);
-        if(show(comp, "block"))         block(size = [comp[4], comp[5], comp[6]], colour = comp[7], makes_cutout = param(8));
+        if(show(comp, "block"))         block(size = [comp[4], comp[5], comp[6]], colour = comp[7], makes_cutout = param(8), r = param(9, 0), rtop = param(10, 0));
         if(!cutouts) {
             // Components that don't have a cutout parameter go in this section
             if(show(comp, "button_6mm"))    square_button(button_6mm);
@@ -1124,17 +1135,25 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
             if(show(comp, "led"))           translate_z(eps) led(comp[4], comp[5], 2.6);
             if(show(comp, "pdip"))          pdip(comp[4], comp[5], param(6, false), param(7, inch(0.3)));
             if(show(comp, "ax_res"))        ax_res(comp[4], comp[5], param(6, 5), param(7, 0));
-            if(show(comp, "link"))          wire_link(l = comp[4], h = param(5, 1), d = param(6, 0.8), tail = param(7, 3));
+            if(show(comp, "rd_xtal"))       rd_xtal(type = comp[4], value = param(5, undef), z = param(6, 0), pitch = param(7, undef)); // type, value, z, forced pitch
+            if(show(comp, "link"))          wire_link(l = comp[4], h = param(5, 1), d = param(6, 0.8), tail = param(7, 3), sleeve = param(8, false));
             if(show(comp, "D_plug"))        translate_z(d_pcb_offset(comp[4])) d_plug(comp[4], pcb = true);
             if(show(comp, "molex_hdr"))     molex_254(comp[4], param(5, 0), param(6, undef));
-            if(show(comp, "jst_xh"))        jst_xh_header(jst_xh_header, comp[4], param(5, false), param(6, "white"), param(7, undef));
+            if(show(comp, "jst_xh"))        jst_xh_header(jst_xh_header, comp[4], param(5, false), param(6, false), param(7, undef));
-            if(show(comp, "jst_ph"))        jst_xh_header(jst_ph_header, comp[4], param(5, false), param(6, "white"), param(7, undef));
+            if(show(comp, "jst_ph"))        jst_xh_header(jst_ph_header, comp[4], param(5, false), param(6, false), param(7, undef));
+            if(show(comp, "jst_zh"))        jst_xh_header(jst_zh_header, comp[4], param(5, false), param(6, false), param(7, undef));
             if(show(comp, "potentiometer")) let(pot = param(4, BTT_encoder)) translate_z(pot_size(pot).z) vflip() potentiometer(pot, shaft_length = param(5, undef));
             if(show(comp, "buzzer"))        buzzer(param(4, 9), param(5, 12), param(6, grey(20)));
             if(show(comp, "smd_res"))       smd_resistor(comp[4], comp[5]);
             if(show(comp, "smd_cap"))       smd_capacitor(comp[4], comp[5], param(6, undef));
+            if(show(comp, "smd_tant"))      smd_tant(comp[4], param(5, undef));
             if(show(comp, "smd_sot"))       smd_sot(comp[4], comp[5]);
             if(show(comp, "smd_soic"))      smd_soic(comp[4], comp[5]);
+            if(show(comp, "smd_diode"))     smd_diode(comp[4], comp[5]);
+            if(show(comp, "smd_inductor"))  smd_inductor(comp[4], comp[5]);
+            if(show(comp, "smd_pot"))       smd_pot(comp[4], comp[5]);
+            if(show(comp, "smd_coax"))      smd_coax(comp[4]);
+            if(show(comp, "smd_qfp"))       smd_qfp(comp[4], comp[5]);
             if(show(comp, "vero_pin"))      vero_pin(param(4, false));
             if(show(comp, "terminal"))      terminal_block(comp[5], comp[4]);
             if(show(comp, "text"))          color("white") linear_extrude(eps) resize([comp[4], comp[5]]) text(comp[6], font = param(7, "Liberation Mono"), valign = "center", halign = "center");
@@ -1194,14 +1213,16 @@ module pcb_cutouts(type, angle = undef)  //! Make cut outs to clear components o
 
 module pcb_grid_positions(type) {
     grid =  pcb_grid(type);
-    x0 = grid.x;
+    for(i = [0 : 7 : len(grid) - 1]) {
-    y0 = grid.y;
+        x0 = grid[i];
+        y0 = grid[i + 1];
 
-    cols = is_undef(grid[2]) ? round((pcb_length(type) - 2 * x0) / inch(0.1)) : grid[2] - 1;
+        cols = is_undef(grid[i + 2]) ? round((pcb_length(type) - 2 * x0) / inch(0.1)) : grid[i + 2] - 1;
-    rows = is_undef(grid[3]) ? round((pcb_width(type) - 2 * y0) / inch(0.1))  : grid[3] - 1;
+        rows = is_undef(grid[i + 3]) ? round((pcb_width(type) - 2 * y0) / inch(0.1))  : grid[i + 3] - 1;
-    for(x = [0 : cols], y = [0 : rows])
+        for(x = [0 : cols], y = [0 : rows])
-        pcb_grid(type, x, y)
+            pcb_grid(type, x, y, i = i)
-            children();
+                children();
+    }
 }
 
 module pcb(type) { //! Draw specified PCB

vitamins/pcbs.scad

@@ -20,6 +20,7 @@ include <microswitches.scad>
 include <d_connectors.scad>
 include <leds.scad>
 include <axials.scad>
+include <radials.scad>
 include <smds.scad>
 include <green_terminals.scad>
 include <7_segments.scad>
@@ -537,6 +538,37 @@ Melzi = ["Melzi", "Melzi electronics", 203.2, 49.53, 1.6, 3.81, 3.1,  6, "green"
                                                                     [],
                                                                     [": USB A to Mini B lead", ": Micro SD card"]];
 
+OPZ2 =  ["OPZ2", "Orange Pi Zero 2",     60,    53,    1.4, 1.75,    3, 5, "blue", false, [[2.5, 2.5], [-2.5, 2.5], [-2.5, -2.5], [2.5, -2.5]],
+    [[-2.54, 53/2, 90, "2p54header", 13, 2],
+     [-10, -10-2.54*2, 0, "2p54header", 3, 1],
+     [2.54/2, 53/2, 90, "2p54header", 13, 1],
+     [6+16/2, -10.5+1, 90, "rj45"],
+     [24+9/2, -3.6+1, 90, "usb_C"],
+     [37+6.5/2,  -8.5/2+1, 90, "micro_hdmi"],
+     [-7-5.8/2, -7+1,    90, "usb_vAx1"],
+     [-17,   18,  0, "chip",       13, 7.5, 1],
+     [-17,   28,  0, "chip",       13, 7.5, 1],
+     [26,   23,  0, "chip",       12.2, 14, 1],
+     [8.1+10.3/2,   3.7+10.3/2,  0, "chip",       10.3, 10.3, 1.8, "silver"],
+     [10.7+14.6/2,  14.7/2,  90, "-uSD", [14.6, 14.7, 2]],
+    ],
+    [": Micro SD card"],
+    [60-2.54*1.5, 53/2 - 6*2.54, 2, 13]];
+
+RPI3A =  ["RPI3A", "Raspberry Pi 3 A+",     65,    56,    1.4, 3,    2.75, 6, "green", false, [[3.5, 3.5], [61.5, 3.5], [61.5, -3.5], [3.5, -3.5]],
+    [[32.5, -3.5,   0, "2p54header", 20, 2],
+     [27,   -24.6,  0, "chip",       14, 14, 1],
+     [53.5,   6,  -90, "jack"],
+     [32,   4.4,  -90, "hdmi"],
+     [-6.5,  31.45,    0, "usb_Ax1"],
+     [10.6,   2,  -90, "usb_uA"],
+     [3.6,   28,   90, "flex"],
+     [45,    11.5,-90, "flex"],
+     [7.75,  28,  180, "-uSD", [12, 11.5, 1.28]],
+    ],
+    [": Micro SD card"],
+    [32.5 - 9.5 * 2.54, 52.5 - 1.27, 20, 2]];
+
 RPI3 =  ["RPI3", "Raspberry Pi 3",     85,    56,    1.4, 3,    2.75, 6, "green", false, [[3.5, 3.5], [61.5, 3.5], [61.5, -3.5], [3.5, -3.5]],
     [[32.5, -3.5,   0, "2p54header", 20, 2],
      [27,   -24.6,  0, "chip",       14, 14, 1],
@@ -627,6 +659,14 @@ ArduinoUno3 = ["ArduinoUno3", "Arduino Uno R3", 68.58, 53.34, 1.6, 0, 3.3, 0, "#
      [4.7625,  7.62, 180,"barrel_jack"],
      [1.5875, 37.78, 180,"usb_B"],
      [46.99,  17,    270,"pdip", 28, "ATMEGA328", true],
+     [18.7,   25.8,  0,  "rd_xtal", HC49_4H],
+     [7.5,    17.2,  90, "smd_sot", SOT223],
+     [7.9,    26.5,  90, "smd_sot", SOT23],
+     [21.3,    2.7,  0,  "smd_diode", DO214AC],
+     [27.8,   34.6,  0,  "smd_led", LED0805, "red"],
+     [27.8,   37,    0,  "smd_led", LED0805, "red"],
+     [27.8,   42.3,  0,  "smd_led", LED0805, "red"],
+     [58.8,   37.1,  0,  "smd_led", LED0805, "red"],
     ],
     [],[],
     inch([
@@ -744,9 +784,29 @@ WD2002SJ = ["WD2002SJ", "WD2002SJ Buck Boost DC-DC converter", 78, 47, 1.6, 0, 3
     ],
     []];
 
-MP1584EN = ["MP1584EN", "MP1584EN 3A buck converter", 22, 17, 1.2, 0, 1, [2, 2], "green", false,
+MP1584EN = ["MP1584EN", "MP1584EN 3A buck converter", 22, 17, 1.25, 0, 1, [2, 2], "green", false,
-    [[1.75, 1.75], [1.75, -1.75], [-1.75, 1.75], [-1.75, -1.75], [-1.75, -4.4], [-1.75, 4.48], [1.75, -4.4], [1.75, 4.4]],
+    [[1.75, 1.75], [-1.75, 1.75], [-1.75, 4.4], [1.75, 4.4]],
-    []
+    [ [1.75, 8.5, 90, "smd_cap", CAP1206, 1],
+      [-1.75, 8.5, 90, "smd_cap", CAP1206, 1],
+      [7.5, 8.5, 0, "smd_soic", SOIC8, "WP1584EN"],
+      [3.9, 8.3, 90, "smd_res", RES0603, "104"],
+      [3.9, 11.2, 90,"smd_cap", CAP0603, 0.5],
+      [3.9, 5.4, 90, "smd_res", RES0603, "822"],
+      [6.2, 3.5,  0, "smd_res", RES0603, "104"],
+      [6.2, 2.1,  0, "smd_cap", CAP0603, 0.5],
+      [9.2, 3.5,  0, "smd_res", RES0603, "104"],
+      [9.2, 2.1,  0, "smd_res", RES0603, "104"],
+      [6.3, 14.4, 0, "smd_diode",DO214AC, "SS34"],
+      [12.1, 4.9, 0, "smd_cap", CAP0603, 0.5],
+      [15.8, 4.9, 0, "smd_cap", CAP0603, 0.5],
+      [14.5, 10, 90, "smd_inductor", IND2525, "4R7"],
+      [14.7, 1.8,-90,"smd_pot", TC33X1, "10K"],
+      [13.9, -1.4, 0,"text", 5, 1.5, "D-SUN", "Liberation Mono:style=Bold"],
+      [17.7, -1.2, 0,"text", 1.5,1.5,"\u2296", "MS Gothic:style=Bold"],
+      [17.9, 1.75, 0,"text", 1.5,1.5,"\u2295", "MS Gothic:style=Bold"],
+   ],
+   [],
+   [1.75,17 -4.4, 2, 2, silver, 18.5, 2.65], // Abuse the grid facility to get the round pads
 ];
 
 PERF80x20 = ["PERF80x20", "Perfboard 80 x 20mm", 80, 20, 1.6, 0, 2.3, 0, "green", true, [[2,2],[-2,2],[2,-2],[-2,-2]], [], [], [5.71, 3.65]];
@@ -798,7 +858,8 @@ ESP_01 = [
         [ -6.6,  -5.8,   0, "block", 0.7, 7.5,  0.1,  gold ],
         [ -4.8,  -2.3,   0, "block", 8.8, 0.7,  0.1,  gold ],
     ],
-    [] // accessories
+    [], // accessories
+    [2.8 - 1.27, 3.54, 2, 4, silver, 2.54, 2.54] // grid
 ];
 
 XIAO = [
@@ -812,7 +873,7 @@ XIAO = [
     [for(x = [0:6], y = [-1,1]) [x * 2.54 + 2.71, y * 3 * 2.54 + 9], // Inboard hole positions
      for(x = [0:6], y = [-1,1]) [x * 2.54 + 2.71, y * 9 + 9]],       // Hole positions on the edge, pad overlaps the inboard holes
     [ // components
-        [7.6, 9, 0, "block", 12.3, 12, 2.41, silver], // can
+        [7.6, 9, 0, "block", 12.3, 12, 2.41, silver, false, 0.3, 0.3], // can
         [21 + 1.76 - 7.35 / 2, 9, 0, "usb_C"],
     ],
     [] // accessories
@@ -861,7 +922,7 @@ ESP32_DOIT_V1 = let(l = 51.45, w = 28.33, pitch = inch(1), pins = 15, poffset =
       [l / 2 + poffset, w / 2 - pitch / 2, 0, "-2p54joiner", pins, 1],
       [l / 2 + poffset, w / 2 + pitch / 2, 0, "-2p54joiner", pins, 1],
       [1.75, w / 2, 180, "usb_uA" ],
-      [35,  w / 2, 0, "block", 17.7, 16, 3, silver], // can
+      [35,  w / 2, 0, "block", 17.7, 16, 3, silver, false, 0.3, 0.3], // can
       for(y=[-1,1]) [3.5,  y * 6.5, 0, "chip", 4,  3, 1.6, silver],   // Mock button surround
       for(y=[-1,1]) [3.5,  y * 6.5, 0, "chip", 1.8,0, 2.0, grey(20)], // Mock buttons
       for(y=[-1,1]) [21.6, y * 9,   0, "smd_led", LED0603, y < 0 ? "red" : "blue"],
@@ -917,10 +978,73 @@ L9110S = ["L9110S", "L9110S 2-Channel motor driver module", 29.2, 23, 1.6, 0, 3,
     ],
     []];
 
+PanelDue_v3 = ["PanelDue_v3", "Panel Due v3.0a LCD Display interface", 53, 73, 1.2, 0, 3.2, 0, "#2140BE", false, [[5,5], [5, -5], [43.7, 37.2]],
+   [
+    [ 45.0, 26.5,  45, "buzzer",     6, 12],
+    [ 32.8, 36.5,  90, "2p54socket", 20, 2],
+    [ 31.3,  5.9, 180, "molex_hdr",   4, 1],
+    [ 38.0, 53.2, -90, "2p54boxhdr",  5, 2, false, true, true],
+    [ 40.8, 67.4,   0, "button_6mm"],
+    [ 45.1, 16.5,   0, "button_6mm"],
+    [ 51.2, 68.0,   0, "usb_uA"],
+    [ 13.6, 35.2,   0, "smd_qfp", QFP50P1200X1200X160_64N, "ATSAM4S4BA"],
+    [ 14.6, 7.9,  180, "smd_sot", SOT223],
+    [ 23.2, 14,     0, "smd_sot", SOT23],
+    [ 31.7, 65,   180, "smd_diode", DO214AC],
+    [ 24.9, 3.8,  180, "smd_diode", DO214AC],
+    [ 1.9, 33,    -90, "smd_cap", CAP0603, 0.5],
+    [ 1.9, 28.9,   90, "smd_cap", CAP0603, 0.5],
+    [ 14.6, 13.2,   0, "smd_cap", CAP0805, 0.85],
+    [ 20.3, 57.5,  90, "smd_res", RES0603],
+    [ 18.1, 57.5,  90, "smd_res", RES0603],
+    [ 27.6, 57,     0, "smd_res", RES0603],
+    [ 27.3, 7.2,    0, "smd_res", RES0603],
+    [ 27.3, 9.7,    0, "smd_res", RES0603],
+    [ 18.5, 11.5,  90, "smd_cap", CAP0805, 0.85],
+    [ 32.5, 71.2, 180, "smd_cap", CAP0603, 0.5],
+    [ 14.1, 25.1,  90, "smd_cap", CAP0603, 0.5],
+    [ 4.2,  36.9,   0, "smd_cap", CAP0603, 0.5],
+    [ 7.7,  28.4,  90, "smd_cap", CAP0603, 0.5],
+    [ 22.0, 34.6,   0, "smd_cap", CAP0603, 0.5],
+    [ 11.4, 44.5,  90, "smd_cap", CAP0603, 0.5],
+    [ 22.1, 31.2,   0, "smd_cap", CAP0603, 0.5],
+    [ 12.0, 25.5,  90, "smd_cap", CAP0603, 0.5],
+    [ 16.2, 24.2,  90, "smd_cap", CAP0603, 0.85],
+    [  9.3, 44.5,  90, "smd_cap", CAP0603, 0.85],
+    [  5.3, 34.9,   0, "smd_cap", CAP0603, 0.5],
+    [ 37.5, 61.9,  90, "smd_res", RES0603, "0"],
+    [  4.8, 26.5,   0, "smd_cap", CAP0603, 0.85],
+    [  3.3, 24.5,   0, "smd_res", RES0603, "1"],
+    [  4.8, 30.8,  90, "chip", 5, 3.2, 1.1],
+    [  6.9, 24.5,   0, "smd_res", L2012C],
+    [ 21.8,  7.4,   0, "smd_res", L2012C],
+    [ 40.8, 71.9,   0, "text",  6, 1.42, "Erase"],
+    [ 51.4, 16.5,  90, "text",  6, 1.42, "Reset"],
+    [ 51.4, 52.2,  90, "text", 7.4, 1.42, "CONN_SD"],
+    [ 2.7,  9.7,    0, "text",   4, 1.27, "GND"],
+    [ 8.0,  9.7,    0, "text",   4, 1.27, "3.3V"],
+    [ 38.1, 21.2,   0, "text",   4, 1.42, "3.3V"],
+    [ 40.7, 12.2,   0, "text",   2, 1.42, "5V"],
+    [ 49.8, 9.8,    0, "text",   3, 1.27, "Din"],
+    [ 50.3, 7.3,    0, "text",   4, 1.27, "Dout"],
+    [ 49.8, 4.7,    0, "text",   3, 1.27, "Gnd"],
+    [ 49.8, 2.2,    0, "text",   3, 1.27, "+5V"],
+   ],
+    [],
+    [6,               60.8 - inch(0.3), 1, 4, silver, 2.54, 2.54, // X4
+     38,              16.1 - inch(0.1), 1, 3, silver, 2.54, 2.54, // JP1
+     3.1,             12,               2, 1, silver, 4.6,  2.54, // test points
+     31.3,            5.9 - inch(0.15), 1, 4, silver, 2.54, 2.64, // X1
+     38 - inch(0.05), 53.2 - inch(0.2), 2, 5, silver, 2.54, 2.54, // X5
+     32.8- inch(0.05),36.5 - inch(0.95),2, 20, silver, 2.54, 2.54, // X3
+    ],
+   ];
 
 tiny_pcbs = [XIAO, MP1584EN, TP4056, ESP_01, LIPO_fuel_gauge];
 
-pcbs = [RAMPSEndstop, MT3608, KY_040, L9110S, ZC_A0591, ArduinoNano, RPI_Pico, ESP32_DOIT_V1, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, WD2002SJ, RPI3, RPI4, BTT_RELAY_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_E3_TURBO, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
+big_pcbs = [BTT_RELAY_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_E3_TURBO, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
+
+pcbs = [RAMPSEndstop, MT3608, KY_040, L9110S, ZC_A0591, ArduinoNano, RPI_Pico, ESP32_DOIT_V1, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, WD2002SJ, OPZ2, PanelDue_v3, RPI3A, RPI3, RPI4];
 
 pcbs_not_shown = [Melzi, Duex2, PSU12V1A, Keyes5p1, PI_IO, ExtruderPCB];
 

vitamins/photo_interrupter.scad

@@ -0,0 +1,103 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Photo interrupter modules popular in robot kits and from China.
+//
+include <../utils/core/core.scad>
+include <../utils/rounded_polygon.scad>
+
+function pi_base_width(type)    = type[1]; //! Width of the base
+function pi_base_length(type)   = type[2]; //! Length of the base
+function pi_base_height(type)   = type[3]; //! Height of the base
+function pi_gap_height(type)    = type[4]; //! Height of the gap where the light can be interrupted
+function pi_gap_width(type)     = type[6]; //! Width of the gap
+function pi_stem_width(type)    = type[5]; //! Width of the stems
+function pi_hole_diameter(type) = type[7]; //! Diameter of the mounting holes
+function pi_color(type)         = type[8]; //! Color of photo interrupter
+function pi_pcb(type)           = type[9]; //! Parameter for the support PCB, created with pi_pcb
+
+module pi_hole_locations(type) { //! Locations of photo interrupter mounting holes
+    translate([0, -(pi_base_length(type) - pi_base_width(type)) / 2, 0])
+        children();
+    translate([0, (pi_base_length(type) - pi_base_width(type)) / 2, 0])
+        children();
+}
+
+module pi_pcb_hole_locations(pcb) { //! Locations of the PCB holes
+    for (xy = pcb[7]) {
+        translate([xy[0], xy[1], 0])
+            children();
+    }
+}
+
+module pi_pcb(type) { //! Draw the support PCB
+    pcb = pi_pcb(type);
+    color(pcb[6]) {
+        translate([0, 0, -pcb[2]]) {
+            linear_extrude(pcb[2]) {
+                difference() {
+                    rounded_polygon([[0, -(pi_base_length(type) - pi_base_width(type)) / 2, -pi_base_width(type) / 2],
+                                     [pi_base_width(type) / 2, -pcb[1]/2, eps],
+                                     [pcb[0]+1, -pcb[1]/2, eps],
+                                     [pcb[0]+1, pcb[1]/2, eps],
+                                     [pi_base_width(type) / 2, pcb[1]/2, eps],
+                                     [0, (pi_base_length(type) - pi_base_width(type)) / 2, -pi_base_width(type) / 2]
+                                     ]);
+                    pi_pcb_hole_locations(pcb)
+                        circle(d = pcb[8]);
+                    pi_hole_locations(type)
+                        circle(d=pi_hole_diameter(type));
+                }
+            }
+        }
+    }
+}
+
+module photo_interrupter(type) { //! Draw the photo interrupter, with PCB
+    vitamin(str("photo_interrupter(", type[0], "): ", type[0], " Photo interrupter"));
+    color(pi_color(type)) {
+        linear_extrude(pi_base_height(type)) {
+            difference() {
+                hull() {
+                    pi_hole_locations(type)
+                        circle(d = pi_base_width(type));
+                }
+                pi_hole_locations(type)
+                    circle(d = pi_hole_diameter(type));
+            }
+        }
+        translate([-pi_base_width(type)/2, -(pi_gap_width(type)/2 + pi_stem_width(type)), 0])
+            cube([pi_base_width(type), pi_stem_width(type), pi_gap_height(type) + pi_base_height(type)]);
+        translate([-pi_base_width(type)/2, pi_gap_width(type)/2, 0])
+            cube([pi_base_width(type), pi_stem_width(type), pi_gap_height(type) + pi_base_height(type)]);
+    }
+    pi_pcb(type);
+}
+
+module pi_cutout(type) { //! Shape to subtract for fitting a photo interrupter
+    hull() {
+        pi_hole_locations(type)
+            cylinder(h = pi_base_height(type), d = pi_base_width(type));
+    }
+    translate([-pi_base_width(type)/2, -(pi_gap_width(type)/2 + pi_stem_width(type)), 0])
+        cube([pi_base_width(type), pi_stem_width(type), pi_gap_height(type) + pi_base_height(type)]);
+    translate([-pi_base_width(type)/2, pi_gap_width(type)/2, 0])
+        cube([pi_base_width(type), pi_stem_width(type), pi_gap_height(type) + pi_base_height(type)]);
+};

vitamins/photo_interrupters.scad

@@ -0,0 +1,23 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+PH1 = ["PH1", 6.4, 25.9 , 3.5, 8.6, 4.1, 5.9, 3, grey(20), [22, 20, 1.6, true, 11-3.2, 0, "blue",[[8.3, -7.5], [8.3, 7.5]], 3]];
+
+photo_interrupters = [PH1];
+
+use <photo_interrupter.scad>

vitamins/pin_header.scad

@@ -20,7 +20,7 @@
 include <../utils/core/core.scad>
 use <../utils/dogbones.scad>
 
-panel_clearance = 0.2;
+panel_clearance = 0.5;
 housing_height = 14.12;  // measured height of a Dupont connector.
 housing_colour = grey(25);
 
@@ -74,8 +74,11 @@ module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cu
 
         translate_z(smt ? 3.5 - h : 0) {
             for(x = [0 : cols - 1], y = [0 : rows - 1]) {
+                py = pitch * (y - (rows - 1) / 2);
+                pin = [pitch * (x - (cols - 1) / 2), py, py + width / 2]; // Position of pin joint
+
                 // Vertical part of the pin
-                translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2)])
+                translate([pin.x, pin.y])
                     if(right_angle)
                         pin(type, hdr_pin_below(type) + (y + 0.5) * pitch);
                     else
@@ -84,11 +87,12 @@ module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cu
                 if(right_angle) {
                     w = hdr_pin_width(type);
                     // Horizontal part of the pin
-                    rotate([-90, 0, 180])
+                    translate([pin.x, pin.y - hdr_pin_below(type), pin.z])
-                        translate([pitch * (x - (cols - 1) / 2), -pitch * (y - (rows - 1) / 2) - width / 2, hdr_pin_below(type) - (y - (rows - 1) / 2) * pitch])
+                        rotate([-90, 0, 180])
-                            pin(type, hdr_pin_length(type) - hdr_pin_below(type) + ra_offset + pitch / 2 + (y - 0.5) * pitch);
+                            pin(type, hdr_pin_length(type) - hdr_pin_below(type) + ra_offset + y * pitch);
+
                     // corner
-                    translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2) - w / 2, pitch * (y - (rows - 1) / 2) + width / 2 - w / 2])
+                    translate([pin.x, pin.y - w / 2, pin.z - w / 2])
                         rotate([0, -90, 0])
                             color(hdr_pin_colour(type))
                                 rotate_extrude(angle = 90, $fn = 32)
@@ -119,7 +123,7 @@ module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cu
     }
 }
 
-module box_header(type, cols = 1, rows = 1, smt = false, cutout = false) { //! Draw box header
+module box_header(type, cols = 1, rows = 1, smt = false, cutout = false, right_angle = false) { //! Draw box header
     pitch = hdr_pitch(type);
     size = hdr_box_size(type);
     w = cols * pitch + 7.62;
@@ -127,36 +131,63 @@ module box_header(type, cols = 1, rows = 1, smt = false, cutout = false) { //! D
     h = size.z;
     t = hdr_box_wall(type);
     base = h - 6.4;
+    ra_offset = 2.4;
 
     if(cutout)
         dogbone_rectangle([cols * pitch + 2 * panel_clearance, rows * pitch + 2 * panel_clearance, 100], center = false);
     else {
-        vitamin(str("box_header(", type[0], ", ", cols, ", ", rows, arg(smt, false, "smt"), "): Box header ", cols, " x ", rows));
+        vitamin(str("box_header(", type[0], ", ", cols, ", ", rows, arg(smt, false, "smt"), arg(right_angle, false, "right_angle"), "): Box header ", cols, " x ", rows, right_angle ? " right angle " : ""));
 
         translate_z(smt ? 3.5 - h : 0) {
-            for(x = [0 : cols - 1], y = [0 : rows - 1])
+            for(x = [0 : cols - 1], y = [0 : rows - 1]) {
-                translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2), 0])
+                py = -pitch * (y - (rows - 1) / 2);
-                    pin(type, hdr_pin_length(type) - pitch + base);
+                pin = [pitch * (x - (cols - 1) / 2), py, l / 2 - py]; // Position of pin joint
 
-            color(hdr_base_colour(type)) {
+                translate([pin.x, pin.y])
-                linear_extrude(base)
+                    if(right_angle)
-                    square([w, l], center = true);
+                        pin(type, hdr_pin_below(type) + pin.z);
+                    else
+                        pin(type, hdr_pin_length(type) - pitch + base);
 
-                linear_extrude(h)
+                if(right_angle) {
-                    difference() {
+                    pw = hdr_pin_width(type);
-                        square([w, l], center = true);
+                    // Horizontal part of the pin
+                    translate([pin.x, pin.y + hdr_pin_below(type), pin.z])
+                        rotate([-90, 0, 0])
+                            pin(type, hdr_pin_length(type) - hdr_pin_below(type) + ra_offset + y * pitch);
 
-                        square([w - t, l - t], center = true);
+                    // corner
-
+                    translate([pin.x, pin.y + pw / 2,  pin.z - pw / 2])
-                        translate([0, -l / 2])
+                        rotate([0, -90, 180])
-                            square([4.5, 4.5], center = true);
+                            color(hdr_pin_colour(type))
-                    }
+                                rotate_extrude(angle = 90, $fn = 32)
+                                    translate([0, -pw / 2])
+                                        square(pw);
+                }
             }
-            if(show_plugs)
+
-                color(housing_colour)
+            translate([0, right_angle ? ra_offset + (rows - 1) * pitch / 2 : 0, right_angle ? l / 2 : 0])
-                    translate_z(base)
+                rotate([right_angle ? -90 : 0, 0, 0]) {
-                        linear_extrude(housing_height)
+                    color(hdr_base_colour(type)) {
-                            square([cols * pitch, rows * pitch], center = true);
+                        linear_extrude(base)
+                            square([w, l], center = true);
+
+                        linear_extrude(h)
+                            difference() {
+                                square([w, l], center = true);
+
+                                square([w - t, l - t], center = true);
+
+                                translate([0, -l / 2])
+                                    square([4.5, 4.5], center = true);
+                            }
+                    }
+                    if(show_plugs)
+                        color(housing_colour)
+                            translate_z(base)
+                                linear_extrude(housing_height)
+                                    square([cols * pitch, rows * pitch], center = true);
+                }
         }
     }
 }
@@ -242,9 +273,11 @@ module pin_socket(type, cols = 1, rows = 1, right_angle = false, height = 0, smt
     }
 }
 
-module jst_xh_header(type, pin_count, right_angle = false, colour = false, pin_colour = false, smt = false) { //! Draw JST XH connector
+module jst_xh_header(type, pin_count, right_angle = false, colour = false, pin_colour = false, smt = false) { //! Draw JST XH, PH or ZH connector
-    colour = colour ? colour : hdr_base_colour(type);
+    series = chr([ord(type[0][4]) - 32, ord(type[0][5]) - 32]);
-    pin_colour = pin_colour ? pin_colour : hdr_pin_colour(type);
+    vitamin(str("jst_xh_header(", type[0], ", ", pin_count, arg(right_angle, false, "right_angle"), arg(colour, false, "colour"), arg(smt, false, "smt"), "): JST ", series, " connector ",
+                pin_count, " way", right_angle ? " right_angle" :""));
+
     pitch = hdr_pitch(type);
     size = hdr_box_size(type) + [(pin_count - 1) * pitch, 0, 0];
     pinOffsetX = hdr_box_size(type).x / 2;                          // Offset from last pin to box edge
@@ -255,6 +288,7 @@ module jst_xh_header(type, pin_count, right_angle = false, colour = false, pin_c
     ra_z = ra_h - size.y / 2;
     ra_extra = ra_h - size.y;                                   // thicker base for right angle version
     pinWidth = hdr_pin_width(type);
+    pin_colour = pin_colour ? pin_colour : hdr_pin_colour(type);
 
     module jst_xh_socket(type, pin_count, ra = false) {
         module wall() {
@@ -308,7 +342,7 @@ module jst_xh_header(type, pin_count, right_angle = false, colour = false, pin_c
             }
     } // end module
 
-    color(colour)
+    color(colour ? colour : hdr_base_colour(type))
         if(right_angle)
             translate([0, -ra_box_offset, ra_z])
                 rotate([-90, 0, 180])

vitamins/pin_headers.scad

@@ -27,9 +27,9 @@
 2p54header  = ["2p54header",   2.54, 11.6, 3.2, 0.66, gold,   grey(20), 8.5, [0,   0,    8.7], 2.4, 0,     0,    0  ];
 2p54joiner =  ["2p54joiner",   2.54, 6.86, 2.5, 0.66, gold,   grey(20), 8.5, [0,   0,    8.7], 2.4, 0,     0,    0  ]; // Cropped pins for joining PCBs
 
-jst_xh_header = ["jst_xh_header",2.5,  10, 3.4, 0.64, gold,   grey(90), 0,   [4.9, 5.75, 7],   0.8, 0.525, 0.6,  6.1];
+jst_xh_header = ["jst_xh_header",2.5,  10, 3.4, 0.64, gold,   "white", 0,   [4.9, 5.75, 7],   0.8, 0.525, 0.6,  6.1];
-jst_ph_header = ["jst_ph_header",2.0,   9, 3.4, 0.64, silver, grey(90), 0,   [3.9, 4.5,  6],   0.6, 0.55,  0.25, 4.8];
+jst_ph_header = ["jst_ph_header",2.0,   9, 3.4, 0.64, silver, "white", 0,   [3.9, 4.5,  6],   0.6, 0.55,  0.25, 4.8];
-jst_zh_header = ["jst_zh_header",1.5, 7.4, 3.4, 0.5 , silver, grey(90), 0,   [3.0, 3.5,4.5],   0.5, 0.45,  0.25, 3.7];
+jst_zh_header = ["jst_zh_header",1.5, 7.4, 3.4, 0.5 , silver, "white", 0,   [3.0, 3.5,4.5],   0.5, 0.45,  0.25, 3.7];
 
 pin_headers = [ 2p54header ];
 

vitamins/potentiometer.scad

@@ -32,7 +32,7 @@ function pot_face(type)     = type[2];  //! Faceplate rib width, plate depth and
 function pot_wafer(type)    = type[3];  //! Width, diameter and thickness of the track wafer plus true if curved
 function pot_gangs(type)    = type[4];  //! Number of gangs for mult-gang pot
 function pot_thread_d(type) = type[5];  //! Nomininal thread diameter
-function pot_thread_p(type) = type[6];  //! Thread pritch
+function pot_thread_p(type) = type[6];  //! Thread pitch
 function pot_thread_h(type) = type[7];  //! Height of threaded part
 function pot_boss_d(type)   = type[8];  //! Boss diameter
 function pot_boss_h(type)   = type[9];  //! Boss height

vitamins/radial.scad

@@ -0,0 +1,137 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Radial components for PCBs.
+//
+include <../utils/core/core.scad>
+include <../utils/sweep.scad>
+include <../utils/rounded_polygon.scad>
+include <../utils/rounded_cylinder.scad>
+
+function rd_xtal_size(type)   = type[1]; //! Crystal length, width and height and optional corner radius
+function rd_xtal_flange(type) = type[2]; //! Crystal flange width and thickness
+function rd_xtal_pitch(type)  = type[3]; //! Crystal lead pitch
+function rd_xtal_lead_d(type) = type[4]; //! Crystal lead diameter
+
+module cylindrical_wrap(r, h = eps) { //! Wrap a 2D child extruded to height `h` around a cylinder with radius `r`.
+    sides = r2sides(r);
+    dx = 2 * r * tan(180 / sides);
+    for(i = [0 : sides - 1])
+        rotate((i - 0.5) * 360 / sides)
+            translate([0, r])
+                 rotate([-90, 0, 0])
+                    linear_extrude(h, center = true)
+                        intersection() {
+                            translate([(sides / 2 - i) * -dx, 0])
+                                children();
+
+                            square([dx, inf], center = true);
+                        }
+}
+
+module lead_positions(p, z) {
+    if(is_list(p))
+        for($x = [-1, 1], $y = [-1, 1])
+            translate([$x * p.x / 2, $y * p.y / 2, z])
+                children();
+    else
+        for($x = [-1, 1])
+            translate([$x * p / 2, 0, z])
+                children();
+}
+
+module radial_leads(ap, p, z, d, tail)
+    color(silver) {
+        assert(p == ap || z > 3 * d, "Must be space to bend the wires");
+        zl = tail + (p == ap ? z : 0);
+        let($fn = 16) {
+            lead_positions(p, -tail)
+                 rotate(90)
+                    cylinder(d = d, h = zl);
+
+
+            if(p != ap) {
+                assert(!is_list(p), "Bending four leads not supported yet");
+                sd = d * sign(p - ap);
+                path = [[0, z, 0], [0 + sd, z - d / 2, -sd], [p / 2 - ap / 2 - sd, d / 2, sd], [p / 2 - ap / 2, 0, 0]];
+                rpath = let($fn = 32) rounded_polygon(path);
+                lead_positions(ap, 0)
+                    rotate([90, 0, 90 * -$x + 90])
+                        sweep([for(p = rpath) [p.x, p.y, 0]], circle_points(d / 2));
+            }
+        }
+    }
+
+module rd_xtal(type, value, z = 0, pitch = undef, tail = 3) { //! Draw a crystal
+    vitamin(str("rd_xtal(", type[0], ", \"", value, "\"): Crystal ", type[0], " ", value));
+    s = rd_xtal_size(type);
+    r = len(s) < 4 ? s.y / 2 - eps : s[3];
+    f = rd_xtal_flange(type);
+    cp = rd_xtal_pitch(type);
+    p = is_undef(pitch) ? cp : pitch;
+    d = rd_xtal_lead_d(type);
+    r2 = 0.2;
+
+    color(silver) {
+        translate_z(z) {
+            if(s.y) {
+                $fn = 32;
+                rounded_rectangle([s.x, s.y, s.z - r2], r);
+
+                translate_z(s.z - r2)
+                    rounded_top_rectangle([s.x, s.y, r2], r, r2);
+            }
+            else
+                let($fn = 32)
+                    rounded_cylinder(r = s.x / 2, h = s.z, r2 = r2);
+
+            if(f) {
+                rounded_rectangle([s.x + 2 * f.x, s.y + 2 * f.x, f[1]], r + f.x);
+
+                if(is_list(cp))
+                    translate([-s.x / 2 - f.x, -s.y / 2 - f.x])
+                        cube([r + f.x, r + f.x, f[1]]); // Pin 1 marked by sharp corner on 4 pin packages
+            }
+        }
+        radial_leads(cp, p, z, d, tail);
+    }
+
+    color(grey(10)) {
+        if(!is_undef(value))
+            if(s.y)
+                translate_z(z + s.z)
+                    linear_extrude(eps)
+                        resize([s.x * 0.75, s.y / 2])
+                            text(value, halign = "center", valign = "center");
+            else
+                translate_z(z + s.z / 2)
+                    let($fn = 32)
+                        cylindrical_wrap(s.x / 2)
+                            rotate(-90)
+                               resize([s.z * 0.9, s.x * PI / 4])
+                                    text(value, halign = "center", valign = "center");
+        if(s.y)
+            lead_positions(cp, z)
+                cylinder(d = d * 4, h = 2 * eps, center = true);
+        else
+            translate_z(z)
+                cylinder(d = (s.x + cp) / 2, h = 2 * eps, center = true);
+    }
+}

vitamins/radials.scad

@@ -0,0 +1,33 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Radial components for PCBs.
+//
+
+// Crystals
+HC49    = ["HC49",    [10.5, 3.7, 13.5],    [0.475, 0.6], 4.88, 0.45];
+HC49_4H = ["HC49_4H", [10.5, 3.7,  3.5],    [0.475, 0.6], 4.88, 0.43];
+C_002RX = ["C_002RX", [ 2.0,   0,    6],    false,         0.7,  0.2];
+ACT1700 = ["ACT1700", [10.8, 10.8, 5.3, 1], [1,     0.6], [ inch(0.3), inch(0.3)], 0.45 ];
+ACT1100 = ["ACT1100", [20.4, 10.8, 5.3, 1], [1,     0.6], [ inch(0.6), inch(0.3)], 0.45 ];
+
+rd_xtals = [C_002RX, HC49_4H, ACT1700, ACT1100, HC49];
+
+use <radial.scad>

vitamins/sbr_rail.scad

@@ -0,0 +1,123 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! SBR rails
+//!
+//! The rails are drawn from the center of the rod.
+//! `sbr_rail_center_height(type)` can be used to determine where the bottom of the rail is.
+//
+include <../utils/core/core.scad>
+use <bearing_block.scad>
+use <linear_bearing.scad>
+use <rod.scad>
+use <screw.scad>
+
+function sbr_rail_diameter(type)        = type[1]; //! Diameter of the rod
+function sbr_rail_center_height(type)   = type[2]; //! Height of the center above the bottom of the rail
+function sbr_rail_base_width(type)      = type[3]; //! Width of the rail base
+function sbr_rail_carriage(type)        = type[5]; //! Carriage to use with this rail
+function sbr_rail_screw(type)           = type[7]; //! Screw to fasten this rail
+
+module sbr_rail(type , l) { //! Draw an SBR rail
+    base_colour = grey(70);
+    screw_colour = grey(10);
+    d = sbr_rail_diameter(type);
+    h = sbr_rail_center_height(type);
+    B = sbr_rail_base_width(type);
+    T = type[4];
+    C = type[8];
+    S2 = sbr_rail_screw(type);
+
+    S3 = type[9];   // Screw that fastens the rod to the base
+    S3L = type[10]; // length of that screw
+
+    h1 = open_bearing_width(sbr_bearing(sbr_rail_carriage(type)));
+
+    vitamin(str("sbr_rail(", d, ", ", l, "): SBR", d, " rail, length ", l, "mm"));
+
+    not_on_bom()
+        no_explode()
+            rod(d, l, center=true);
+
+    base = (h1/2 + C/2) /2;  // guess, not clear from drawings
+
+    color(base_colour)
+        difference() {
+            linear_extrude(l - 5, center=true, convexity=2)
+                translate([0,h-(T/2),0])
+                    polygon([
+                        [-h1/2, -T/2],
+                        [-h1/2 - T/2, T/2],
+                        [-B/2, T/2],
+                        [-B/2, -T/2],
+                        [-base, -T/2],
+                        [-d/4, -h+(d/2)],
+                        [d/4, -h+(d/2)],
+                        [base, -T/2],
+                        [B/2, -T/2],
+                        [B/2, T/2],
+                        [h1/2 + T/2, T/2],
+                        [h1/2, -T/2],
+                    ]);
+            sbr_screw_locations(type, l)
+                translate([0,h-T+0.01,0])
+                    rotate([90,0,0])
+                        cylinder(r=screw_clearance_radius(S3), h=S3L, center=true);
+            sbr_screw_positions(type, l)
+                translate([0,T/2,0])
+                    rotate([90,0,0])
+                        cylinder(r=screw_clearance_radius(S2), h=T+0.1, center=true);
+
+        }
+
+    not_on_bom()
+        no_explode()
+            color(screw_colour)
+                sbr_screw_locations(type, l)
+                    translate([0,h-T,0])
+                        rotate([270,0,0])
+                            screw(S3, S3L);
+}
+
+module sbr_screw_locations(type, l) { //! Linear locations of screws
+    P = type[6];
+
+    count = floor(l / P);
+    first = (l - count * P)/2;
+    N = first == 0 ? P/2 : first;  // we don't want screws right on the edge
+
+    for (x = [N:P:l])
+        translate([0,0,l/2 - x])
+            children();
+}
+
+module sbr_screw_positions(type, l) { //! Screw positions
+    h = type[2];
+    T = type[4];
+    C = type[8];
+    S2 = sbr_rail_screw(type);
+
+    for (x = [-C/2, C/2])
+        translate([x,h-T, 0])
+            sbr_screw_locations(type, l)
+                children();
+
+
+}

vitamins/sbr_rails.scad

@@ -0,0 +1,31 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+include <../vitamins/bearing_blocks.scad>
+
+//
+// SBR Rails
+//
+
+//                        d  h   B   T  carriage P    S2            C   S3            S3L
+SBR16S     = ["SBR16S",  16, 25, 40, 5, SBR16UU, 150, M5_cap_screw, 30, M5_cap_screw, 18  ];
+
+sbr_rails = [SBR16S];
+
+use <sbr_rail.scad>

vitamins/screw.scad

@@ -41,6 +41,7 @@ function screw_washer(type)           = type[9];     //! Default washer
 function screw_nut(type)              = type[10];    //! Default nut
 function screw_pilot_hole(type)       = type[11];    //! Pilot hole radius for wood screws, tap radius for machine screws
 function screw_clearance_radius(type) = type[12];    //! Clearance hole radius
+function screw_thread_diameter(type)  = type[13];    //! Thread diameter, if different from nominal diameter
 function screw_nut_radius(type) = screw_nut(type) ? nut_radius(screw_nut(type)) : 0; //! Radius of matching nut
 function screw_boss_diameter(type) = max(washer_diameter(screw_washer(type)) + 1, 2 * (screw_nut_radius(type) + 3 * extrusion_width)); //! Boss big enough for nut trap and washer
 function screw_head_depth(type, d = 0) =             //! How far a counter sink head will go into a straight hole diameter d
@@ -87,47 +88,50 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
     vitamin(str("screw(", type[0], "_screw, ", length, arg(hob_point, 0, "hob_point"), arg(nylon, false, "nylon"), "): ", description));
 
     head_type   = screw_head_type(type);
-    rad         = screw_radius(type) - eps;
+    shaft_rad   = screw_radius(type) - eps;
     head_rad    = screw_head_radius(type);
     head_height = screw_head_height(type);
     socket_af   = screw_socket_af(type);
     socket_depth= screw_socket_depth(type);
     socket_rad  = socket_af / cos(30) / 2;
     max_thread  = screw_max_thread(type);
+    has_shoulder = !is_undef(screw_thread_diameter(type));
+    thread_rad = has_shoulder ? screw_thread_diameter(type) / 2 : screw_radius(type);
     thread = max_thread ? length >= max_thread + 5 ? max_thread
                                                    : length
                         : length;
-    d = 2 * screw_radius(type);
+    thread_offset = has_shoulder ? thread : 0;
-    pitch = metric_coarse_pitch(d);
+    thread_d = 2 * thread_rad;
+    pitch = metric_coarse_pitch(thread_d);
     colour = nylon || head_type == hs_grub ? grey(40) : grey(80);
 
     module shaft(socket = 0, headless = false) {
-        point = screw_nut(type) ? 0 : 3 * rad;
+        point = screw_nut(type) ? 0 : 3 * shaft_rad;
-        shank  = length - thread - socket;
+        shank  = length - socket - (has_shoulder ? 0 : thread);
 
         if(show_threads && !point && pitch)
-            translate_z(-length)
+            translate_z(-length - thread_offset)
-                male_metric_thread(d, pitch, thread - (shank > 0 || headless ? 0 : socket), false, top = headless ? -1 : 0, solid = !headless, colour = colour);
+                male_metric_thread(thread_d, pitch, thread - (shank > 0 || headless ? 0 : socket), false, top = headless ? -1 : 0, solid = !headless, colour = colour);
         else
             color(colour * 0.9)
                 rotate_extrude() {
-                    translate([0, -length + point])
+                    translate([0, -length + point - thread_offset])
-                        square([rad, length - socket - point]);
+                        square([thread_rad - eps, length - socket - point]);
 
                     if(point)
                         polygon([
-                            [0.4, -length], [0, point - length], [rad, point - length]
+                            [0.4, -length], [0, point - length], [shaft_rad, point - length]
                         ]);
                 }
 
         if(shank > 0)
             color(colour)
                 translate_z(-shank - socket)
-                    cylinder(r = rad + eps, h = shank);
+                    cylinder(r = shaft_rad + eps, h = shank);
     }
 
     module cs_head(socket_rad, socket_depth) {
-        head_t = rad / 5;
+        head_t = shaft_rad / 5;
         head_height = head_rad + head_t;
 
         color(colour) {
@@ -173,7 +177,7 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
         }
         if(head_type == hs_grub) {
             color(colour) {
-                r = show_threads ? rad - pitch / 2 : rad;
+                r = show_threads ? shaft_rad - pitch / 2 : shaft_rad;
                 translate_z(-socket_depth)
                     linear_extrude(socket_depth)
                         difference() {
@@ -328,6 +332,19 @@ module screw_polysink(type, h = 100, alt = false, sink = 0) { //! A countersink
         }
 }
 
+module screw_keyhole(type, h = 0) { //! Make keyhole slot to accept and retain screw head
+    r = screw_head_radius(type);
+    extrude_if(h) {
+        translate([0, - 2 * r])
+            drill(r + 0.5, 0);
+
+        hull()
+            for(y = [0, -2 * r])
+                translate([0, y])
+                    drill(screw_clearance_radius(type), 0);
+    }
+}
+
 module screw_and_washer(type, length, star = false, penny = false) { //! Screw with a washer which can be standard or penny and an optional star washer on top
     washer = screw_washer(type);
     head_type = screw_head_type(type);

vitamins/screws.scad

@@ -103,6 +103,9 @@ M8_hex_screw     = ["M8_hex", "M8 hex",         hs_hex,   8, 15,  5.65,   0,   0
 
 M3_low_cap_screw = ["M3_low_cap", "M3 low cap", hs_cap,   3, 5.5, 2,    1.5, 2.0, 18,  M3_washer, M3_nut,   M3_tap_radius,    M3_clearance_radius];
 
+M3_shoulder_screw= ["M3_shoulder", "M3 shoulder",hs_cap,  4, 7.0, 2.4,  1.5, 3.0, 6,   M4_washer, M3_nut,   M3_tap_radius,    2,   3];
+M4_shoulder_screw= ["M4_shoulder", "M4 shoulder",hs_cap,  5, 9.0, 2.4,  1.5, 3.0, 8,   M5_washer, M4_nut,   M4_tap_radius,    2.5, 4];
+
 M3_grub_screw    = ["M3_grub", "M3 grub",       hs_grub,  3,   0, 0,    2.5, 1.5, 0,   M3_washer, M3_nut,   M3_tap_radius,    M3_clearance_radius];
 M4_grub_screw    = ["M4_grub", "M4 grub",       hs_grub,  4,   0, 0,    2.4, 2.0, 0,   M4_washer, M4_nut,   M4_tap_radius,    M4_clearance_radius];
 M5_grub_screw    = ["M5_grub", "M5 grub",       hs_grub,  5,   0, 0,    2.4, 2.5, 0,   M5_washer, M5_nut,   M5_tap_radius,    M5_clearance_radius];
@@ -117,6 +120,7 @@ No8_screw        = ["No8", "No8 pan wood",      hs_pan, 4.2, 8.2, 3.05,   0,   0
 screw_lists = [
 [ M2_cap_screw,    M2p5_cap_screw, M3_cap_screw,    M4_cap_screw,    M5_cap_screw,    M6_cap_screw, M8_cap_screw],
 [ 0,               0,              M3_low_cap_screw],
+[ 0,               0,              M3_shoulder_screw, M4_shoulder_screw],
 [ M2_cs_cap_screw, 0,              M3_cs_cap_screw, M4_cs_cap_screw, M5_cs_cap_screw, M6_cs_cap_screw, M8_cs_cap_screw],
 [ M2_dome_screw,   M2p5_dome_screw,M3_dome_screw,   M4_dome_screw,   M5_dome_screw],
 [ 0,               0,              M3_hex_screw,    M4_hex_screw,    M5_hex_screw,    M6_hex_screw, M8_hex_screw],

vitamins/sheets.scad

@@ -49,7 +49,7 @@ AL3       = [ "AL3",       "Aluminium tooling plate", 3, [0.9, 0.9, 0.9, 1    ],
 AL6       = [ "AL6",       "Aluminium tooling plate", 6, [0.9, 0.9, 0.9, 1    ], false];
 AL8       = [ "AL8",       "Aluminium tooling plate", 8, [0.9, 0.9, 0.9, 1    ], false];
 Steel06   = [ "Steel06",   "Sheet mild steel",       0.6,"silver"              , false];
-Spring05  = [ "Spring05",  "Bi-metal saw blade",     0.5,"#FBC300",              false];
+Spring08  = [ "Spring08",  "Bi-metal saw blade",     0.8,"#FBC300",              false];
 Silicone3 = [ "Silicone3", "Sheet silicone",          3, [0.9, 0.9, 0.9, 0.95 ], false];
 CF1 =       [ "CF1",       "Sheet carbon fiber",      1, grey(35),               false,  2,  2,  grey(20)];
 CF2 =       [ "CF2",       "Sheet carbon fiber",      2, grey(35),               false,  2,  2,  grey(20)];
@@ -57,6 +57,6 @@ CF3 =       [ "CF3",       "Sheet carbon fiber",      3, grey(35),
 
 
 sheets = [CF1, CF2, CF3, MDF6, MDF10, MDF12, MDF19, PMMA1p25, PMMA2, PMMA3, PMMA6, PMMA8, PMMA10,
-         glass2, DiBond, DiBond6, Cardboard, FoilTape, AL1_6, AL2, AL3, AL6, AL8, Steel06, Spring05, Silicone3, Foam20];
+         glass2, DiBond, DiBond6, Cardboard, FoilTape, AL1_6, AL2, AL3, AL6, AL8, Steel06, Spring08, Silicone3, Foam20];
 
 use <sheet.scad>

vitamins/smd.scad

@@ -19,11 +19,27 @@
 
 //
 //! Surface mount components for PCBs.
+//!
+//! Note that the value string for tantalum capacitors is the the capacitance in pico farads expressed as two digits plus an exponent plus a single letter voltage code.
+//! E.g. 475A is 4.7uF 10V on the parts list.
+//!
+//! | Code | Voltage |
+//! | ---- | ------- |
+//! | e | 2.5 |
+//! | G | 4 |
+//! | J | 6.3 |
+//! | A | 10 |
+//! | C | 16 |
+//! | D | 20 |
+//! | E | 25 |
+//! | V | 35 |
+//! | H | 50 |
 //
 include <../utils/core/core.scad>
 
 use <../utils/tube.scad>
 use <../utils/sweep.scad>
+use <../utils/sector.scad>
 
 function smd_led_size(type) = type[1]; //! Body length, width and height
 function smd_led_lens(type) = type[2]; //! Lens length width and height
@@ -83,11 +99,16 @@ module smd_led(type, colour, cutout) { //! Draw an SMD LED with specified `colou
 
 function smd_res_size(type)    = type[1]; //! Body length, width and height
 function smd_res_end_cap(type) = type[2]; //! End cap width
-function smd_res_power(type)   = type[3]; //! Power rating in Watts
+function smd_res_power(type)   = type[3]; //! Power rating in Watts, 0 for choke
 
 module smd_resistor(type, value) { //! Draw an SMD resistor with specified value
     size = smd_res_size(type);
-    vitamin(str("smd_resistor(", type[0], ", ", value, "): SMD resistor ", smd_size(size), " ", value, " ", smd_res_power(type), "W"));
+    power = smd_res_power(type);
+    call = str("smd_resistor(", type[0], ", ", value, "): SMD ");
+    if(power)
+        vitamin(str(call, "resistor ", smd_size(size), " ", value, " ", power, "W"));
+    else
+        vitamin(str(call, "choke ", smd_size(size), " ", value));
 
     t = 0.04;
     cap = smd_res_end_cap(type);
@@ -228,3 +249,397 @@ module smd_soic(type, value) { //! Draw an SMD SOIC
                     text(value, halign = "center", valign = "center");
 
 }
+
+function smd_diode_size(type)   = type[1]; //! Body length, width and height
+function smd_diode_z(type)      = type[2]; //! Height above PCB surface
+function smd_diode_lead_z(type) = type[3]; //! Top of lead frame from top
+function smd_diode_leads(type)  = type[4]; //! Lead extent in x, width, thickness and gap
+function smd_diode_colour(type) = type[5]; //! Body colour
+
+module smd_diode(type, value) { //! Draw an SMD diode
+    vitamin(str("smd_diode(", type[0], "): ", type[0], " package ", value));
+
+    slant = 5;                              //! 5 degree body draft angle
+    size = smd_diode_size(type);
+    z0 = smd_diode_z(type);
+    z2 = z0 + size.z;
+    z1 = z2 - smd_diode_lead_z(type);
+    stripe = size.x / 5;
+    leads = smd_diode_leads(type);
+    gap = leads[3];
+    gap2 = gap - leads.z * 2;
+
+    color(smd_diode_colour(type))
+        difference() {
+            hull()
+                for(z = [z0, z1, z2], inset = abs(z - z1) * tan(slant))
+                    translate_z(z)
+                        cube([size.x - 2 * inset, size.y - 2 * inset, eps], center = true);
+
+            for(side = [-1, 1])
+                translate([side * (size.x / 2 - (size.x - gap2) / 4), 0, eps])
+                    cube([(size.x - gap2) / 2, size.y, 3 * leads.z], center = true);
+        }
+
+    color("white")
+        translate([-stripe / 2, 0, z2])
+            linear_extrude(eps)
+                resize([0.9 * (size.x - stripe), size.y / 2])
+                    text(value, halign = "center", valign = "center");
+
+    color(grey(90)) {
+        inset = (z2 - z1) * tan(slant);
+        translate([size.x / 2 - stripe, -size.y / 2 + inset, z2])
+            cube([stripe - inset, size.y - 2 * inset, eps]);
+    }
+
+    color(silver)
+        translate_z(z1 / 2)
+            rotate([90, 0, 0])
+                linear_extrude(leads.y, center = true, convexity = 3)  let($fn = 32)
+                    difference() {
+                        rounded_square([leads.x, z1], 2 * leads.z);
+
+                        rounded_square([leads.x - 2 * leads.z, z1 - 2 * leads.z], leads.z);
+
+                        translate([0, - z1 / 2])
+                            square([gap, leads.z * 2 + eps], center = true);
+                    }
+
+}
+
+function smd_tant_size(type)   = type[1]; //! Body length, width and height
+function smd_tant_z(type)      = type[2]; //! Height above PCB surface
+function smd_tant_lead_z(type) = type[3]; //! Top of lead frame from top
+function smd_tant_leads(type)  = type[4]; //! Lead extent in x, width, thickness and gap
+function smd_tant_colours(type)= type[5]; //! Colours of body and stripe
+
+module smd_tant(type, value) { //! Draw an SMD tantalum capacitor
+    function dig(c) = let(x = ord(c) - ord("0")) assert(x >= 0 && x <= 9, "expected value in the form 475A for 4.7uF 10V") x;
+    uF = is_undef(value) ? "" : str(" ,", (dig(value[0]) * 10 + dig(value[1])) * 10 ^ dig(value[2]) / 10^6, "uF");
+    codes = "eGJACDEVH";
+    voltages = [2.5, 4, 6.3, 10, 16, 20, 25, 35, 50];
+    volts = is_undef(value) ? "" : let(c = value[3])
+        assert(in(codes, c), str("expected the 4th character of value to be a voltage code: ", codes, ", got ", c))
+            str(", ", voltages[search(c, codes)[0]], "V");
+    vitamin(str("smd_tant(", type[0], "): SMD Tantalum capacitor package ", type[0][len(type[0]) -1], uF, volts));
+
+    size = smd_tant_size(type);
+    slant = 5;                              //! 5 degree body draft angle
+    z0 = smd_tant_z(type);
+    z2 = z0 + size.z;
+    z1 = z2 - smd_tant_lead_z(type);
+    stripe = size.x / 5;
+    leads = smd_tant_leads(type);
+    gap = leads[3];
+    gap2 = gap - leads.z * 2;
+    colours = smd_tant_colours(type);
+    inset = (z2 - z1) * tan(slant);
+
+    color(colours[0])
+        difference() {
+            hull()
+                for(z = [z0, z1, z2], inset = abs(z - z1) * tan(slant))
+                    translate_z(z)
+                        cube([size.x - 2 * inset, size.y - 2 * inset, eps], center = true);
+
+            for(side = [-1, 1])
+                translate([side * (size.x / 2 - (size.x - gap2) / 4), 0, eps])
+                    cube([(size.x - gap2) / 2, size.y, 3 * leads.z], center = true);
+        }
+
+    color("white") {
+        w = 0.9 * (size.x - stripe - inset);
+        translate([-size.x / 2 + inset + stripe + w / 2, 0, z2])
+            linear_extrude(eps)
+                resize([w, size.y / 2])
+                    text(value, halign = "center", valign = "center");
+    }
+
+    color(colours[1]) {
+        translate([-size.x / 2 + stripe * 0.2, -size.y / 2 + inset, z2])
+            cube([(stripe - inset) * 0.8, size.y - 2 * inset, eps]);
+    }
+
+    color(silver)
+        translate_z(z1 / 2)
+            rotate([90, 0, 0])
+                linear_extrude(leads.y, center = true, convexity = 3)  let($fn = 32)
+                    difference() {
+                        rounded_square([leads.x, z1], 2 * leads.z);
+
+                        rounded_square([leads.x - 2 * leads.z, z1 - 2 * leads.z], leads.z);
+
+                        translate([0, - z1 / 2])
+                            square([gap, leads.z * 2 + eps], center = true);
+                    }
+
+}
+
+
+function smd_inductor_size(type)   = type[1]; //! Body length, width and height
+function smd_inductor_z(type)      = type[2]; //! Height above PCB surface
+function smd_inductor_lead_z(type) = type[3]; //! Top of lead frame from top
+function smd_inductor_leads(type)  = type[4]; //! Lead extent in x, width, thickness and gap
+function smd_inductor_colour(type) = type[5]; //! Body colour
+
+module smd_inductor(type, value) { //! Draw an SMD inductor
+    vitamin(str("smd_inductor(", type[0], "): ", type[0], " package ", value));
+
+    size = smd_inductor_size(type);
+    z0 = smd_inductor_z(type);
+    z1 = smd_inductor_lead_z(type);
+    z2 = z0 + size.z;
+    leads = smd_inductor_leads(type);
+    gap = leads[3];
+    gap2 = gap - leads.z * 2;
+
+    color(smd_inductor_colour(type))
+        difference() {
+            translate_z(z0)
+                rounded_rectangle(size, 0.5);
+
+            for(side = [-1, 1])
+                translate([side * (size.x / 2 - (size.x - gap2) / 4), 0, eps])
+                    cube([(size.x - gap2) / 2, leads.y + 2 * leads.z, 3 * leads.z], center = true);
+        }
+
+    color("white")
+        translate_z(z2)
+            linear_extrude(eps)
+                resize([0.9 * size.x, size.y / 2])
+                    text(value, halign = "center", valign = "center");
+
+    color(silver)
+        translate_z(z1 / 2)
+            rotate([90, 0, 0])
+                linear_extrude(leads.y, center = true, convexity = 3)  let($fn = 32)
+                    difference() {
+                        rounded_square([leads.x, z1], 2 * leads.z);
+
+                        rounded_square([leads.x - 2 * leads.z, z1 - 2 * leads.z], leads.z);
+
+                        translate([0, - z1 / 2])
+                            square([gap, leads.z * 2 + eps], center = true);
+                    }
+}
+
+function smd_pot_size(type)     = type[1]; //! Base length, width and height
+function smd_pot_contacts(type) = type[2]; //! Contacts width, depth, pitch and width, depth, gap for center contact
+function smd_pot_wiper(type)    = type[3]; //! Wiper diameter, offset, thickness, height, d1, d2, d3, d4
+function smd_pot_cross(type)    = type[4]; //! Cross head slot for screwdriver
+function smd_pot_flat(type)     = type[5]; //! Flat at the back of the wiper
+
+module smd_pot(type, value) { //! Draw an SMD pot
+    vitamin(str("smd_pot(", type[0], "): ", type[0], " package ", value));
+
+    size = smd_pot_size(type);
+    contacts = smd_pot_contacts(type);
+    contacts_pitch = contacts[2];
+    centre_contact_w = contacts[3];
+    centre_contact_d = contacts[4];
+    centre_contact_gap = contacts[5];
+    wiper = smd_pot_wiper(type);
+    wiper_r1 = wiper.x / 2; // outer radius
+    wiper_y = wiper.y;
+    wiper_t = wiper.z;
+    wiper_h = wiper[3];
+    wiper_r2 = wiper[4] / 2;   // inner radius at the top
+    wiper_r3 = wiper[5] / 2;   // inner radius at the bottom
+    wiper_r4 = wiper[6] / 2;   // outer radius of rivet
+    wiper_r5 = wiper[7] / 2;   // inner radius of rivet
+    cross = smd_pot_cross(type);
+    flat = smd_pot_flat(type);
+    track_or = size.x * 0.48;
+    track_ir = track_or * 0.6;
+
+    color(grey(90))
+        translate_z(size.z / 2)
+            cube(size, center = true);
+
+    color(silver) {
+        for(side = [-1, 1])
+            translate([side * contacts_pitch, -size.y / 2 + contacts.y / 2, size.z / 2])
+                cube([contacts.x, contacts.y, size.z] + 2 * eps * [1,1,1], center = true);
+
+        translate([0, size.y / 2 - centre_contact_d / 2, size.z / 2])
+            render() difference() {
+                cube([centre_contact_w, centre_contact_d + 2 * eps, size.z + 2 * eps], center = true);
+
+                translate_z(size.z / 2)
+                    cube([centre_contact_gap, centre_contact_d + 4 * eps, 2 * eps], center = true);
+            }
+        slope_angle = atan((wiper_h - size.z - wiper_t) / (wiper_r2 - wiper_r3));
+        dx = wiper_t / tan(90 - slope_angle / 2);
+        translate([0, wiper_y]) {
+            render() difference() {
+                rotate_extrude() {
+                    polygon([
+                        [wiper_r5,      size.z + wiper_t],
+                        [wiper_r3,      size.z + wiper_t],
+                        [wiper_r2,      wiper_h],
+                        [wiper_r1,      wiper_h],
+                        [wiper_r1,      wiper_h - wiper_t],
+                        [wiper_r2 + dx, wiper_h - wiper_t],
+                        [wiper_r3 + dx, size.z],
+                        [wiper_r5,      size.z],
+                    ]);
+                    r = (wiper_r4 - wiper_r5) / 2;
+                    translate([wiper_r5 + r, size.z + wiper_t])
+                        circle(r, $fn = 16);
+                }
+
+                translate_z(size.z + wiper_t)
+                    linear_extrude(wiper_h - size.z - wiper_t)
+                        difference() {
+                            union() {
+                                square(cross, center = true);
+
+                                rotate(90)
+                                    square(cross, center = true);
+                            }
+                            circle(wiper_r4 + eps);
+                        }
+
+            }
+            translate([0, -(wiper_r1 + cross.x / 2) / 2, wiper_h - wiper_t / 2])
+                cube([flat, wiper_r1 - cross.x / 2, wiper_t], center = true);
+        }
+    }
+
+    color("black")
+        translate([0, wiper.y, size.z])
+            linear_extrude(eps) {
+                difference() {
+                    sector(track_or, -270 / 2 + 90, 270 / 2 + 90);
+                    circle(track_ir);
+                }
+                track_w = track_or - track_ir;
+                track_l = wiper.y - track_ir / sqrt(2) + size.y / 2 - contacts.y;
+                for(side = [-1, 1])
+                    translate([side * (track_ir / sqrt(2) + track_w / 2), -wiper.y -size.y / 2 + track_l / 2 + contacts.y])
+                        square([track_w, track_l], center = true);
+            }
+}
+
+function smd_coax_base_size(type) = type[1]; //! Size of the insulating base
+function smd_coax_base_r(type)    = type[2]; //! Corner radius of the base
+function smd_coax_tube(type)      = type[3]; //! OD, ID, height
+function smd_coax_groove(type)    = type[4]; //! Groove id, width and z
+function smd_coax_pin_d(type)     = type[5]; //! Central pin diameter
+function smd_coax_lug_size(type)  = type[6]; //! lug size
+function smd_contact_size(type)   = type[7]; //! contact size
+
+module smd_coax(type) { //! Draw an SMD coaxial connector
+    vitamin(str("smd_coax(", type[0], "): SMD coax connector type: ", type[0]));
+
+    size = smd_coax_base_size(type);
+    t = smd_coax_tube(type);
+    g = smd_coax_groove(type);
+    chamfer = (t.x - g.x) / 2;
+    pin_r = smd_coax_pin_d(type) / 2;
+    lug = smd_coax_lug_size(type);
+    contact = smd_contact_size(type);
+    $fn = 64;
+
+    color(grey(90))
+        translate_z(eps)
+            rounded_rectangle(size, smd_coax_base_r(type));
+
+    color(gold) {
+        rotate_extrude() {
+            polygon([
+                [t.y / 2, 0.1],
+                [t.y / 2, t.z],
+                [g.x / 2, t.z],
+                [t.x / 2, t.z - chamfer],
+                [t.x / 2, g.z + g.y / 2 + chamfer],
+                [g.x / 2, g.z + g.y / 2],
+                [g.x / 2, g.z - g.y / 2],
+                [t.x / 2, g.z - g.y / 2 - chamfer],
+                [t.x / 2, 0.1],
+            ]);
+        }
+        hull() {
+            translate_z(t.z - pin_r)
+                sphere(pin_r);
+
+            translate_z(0.1)
+                cylinder(r = pin_r, h = eps);
+        }
+
+        for(side = [-1, 1])
+            translate([side * size.x / 2, 0, lug.z / 2])
+                cube(lug, center = true);
+
+        rotate(180)
+            translate([-contact.x / 2, 0])
+                cube([contact.x, contact.y / 2, contact.z]);
+
+        cylinder(r = pin_r * 9 / 5, h = 0.1);
+
+        tube_wall = (t.x - t.y) / 2;
+        translate([-contact.x / 2, 0, (size.z - tube_wall) / 2])
+            cube([contact.x, contact.y / 2, tube_wall]);
+    }
+}
+
+function smd_qfp_body_size(type) = type[1]; //! Size of the body
+function smd_qfp_slant(type)     = type[2]; //! Angle of the slope
+function smd_qfp_pins(type)      = type[3]; //! Number of pins
+function smd_qfp_pitch(type)     = type[4]; //! Pin pitch
+function smd_qfp_pin_size(type)  = type[5]; //! Pins dimensions
+function smd_qfp_gullwing(type)  = type[6]; //! Gullwing S, L, R1, R2
+
+module smd_qfp(type, value) { //! Draw and SMD QFP package
+    vitamin(str("smd_qfp(", type[0], "): SMD chip: ", value, ", package : ", type[0]));
+
+    size = smd_qfp_body_size(type);
+    offset = size.z / 2 * tan(smd_qfp_slant(type));
+    d = 3 * offset;
+    pitch = smd_qfp_pitch(type);
+    pin = smd_qfp_pin_size(type);
+    pins =  smd_qfp_pins(type);
+    g = smd_qfp_gullwing(type);
+    s = g[0]; // length of top flat
+    l = g[1]; // length of bottom flat
+    r1 = g[2]; // top radius
+    r2 = g[3] + pin.z / 2; // bottom radius
+    pz = -size.z / 2 + pin.z / 2;
+    gullwing = rounded_path([[-1, 0, 0], [s, 0, 0], r1, [pin.x - l + r2, 0, pz], r2, [pin.x, 0, pz]], $fn = 32);
+
+    color(grey(20))
+        hull() {
+            translate_z(size.z / 2)
+                linear_extrude(eps)
+                    offset(delta = d, chamfer = true)
+                        offset(-d)
+                            square([size.x, size.y], center = true);
+
+            translate_z(size.z - eps)
+                linear_extrude(eps)
+                    offset(-offset)
+                        square([size.x, size.y], center = true);
+
+            linear_extrude(eps)
+                offset(-offset)
+                    square([size.x, size.y], center = true);
+        }
+
+    color(silver)
+        for(a = [0 : 90: 270])
+            rotate(a)
+                for(i = [0 : pins / 4 - 1])
+                    translate([size.x / 2, (i - (pins / 4 - 1) / 2) * pitch, size.z / 2])
+                        sweep(gullwing, rectangle_points(pin.y, pin.z));
+
+    color("white")
+        translate_z(size.z)
+            linear_extrude(eps) {
+                resize([size.x * 0.9, size.y / 8])
+                    text(value, halign = "center", valign = "center");
+
+                translate([(-(pins / 4 - 1) * pitch) / 2, (-(pins / 4 - 1) * pitch) / 2])
+                    circle(r = pin.y, $fn = 32);
+            }
+}

vitamins/smds.scad

@@ -27,27 +27,60 @@ LED1206 = ["LED1206", [3.2, 1.6, 0.5], [2.0, 1.6, .6]];
 
 smd_leds = [LED0603, LED0805, LED1206];
 
+RES0402 = ["RES0402", [1.0, 0.5, 0.35], 0.2, 1/16];
+RES0502 = ["RES0502", [1.3, 0.6, 0.38], 0.2, 1/20];
 RES0603 = ["RES0603", [1.6, 0.8, 0.45], 0.3, 1/10];
 RES0805 = ["RES0805", [2.0, 1.2, 0.45], 0.4, 1/8];
 RES1206 = ["RES1206", [3.1, 1.6, 0.6],  0.5, 1/4];
+L2012C  = ["L2012C",  [2.0, 1.25,0.9],  0.5, 0];
 
-smd_resistors = [RES0603, RES0805, RES1206];
+smd_resistors = [RES0402, RES0502, RES0603, RES0805, RES1206, L2012C];
 
+CAP0402 = ["CAP0402", [1.0, 0.5], 0.2];
+CAP0502 = ["CAP0502", [1.3, 0.6], 0.2];
 CAP0603 = ["CAP0603", [1.6, 0.8], 0.3];
 CAP0805 = ["CAP0805", [2.0, 1.2], 0.4];
 CAP1206 = ["CAP1206", [3.1, 1.6], 0.5];
 
-smd_capacitors = [CAP0603, CAP0805, CAP1206];
+smd_capacitors = [CAP0402, CAP0502, CAP0603, CAP0805, CAP1206];
 
 SOT23  = ["SOT23",  [3,   1.4, 1.0], 0.05, 0.66, 1.9, 2.6, [0.4, 0.45,  0.15], 0.4];
 SOT223 = ["SOT223", [6.5, 3.5, 1.6], 0.05, 0.89, 2.3, 7.0, [0.7, 0.95, 0.25], 3];
 
 smd_sots = [SOT23, SOT223];
 
-SOIC8  = ["SOIC8",  [4.90, 3.90, 1.25], 0.10, 0.66, 1.27, 6.00, [0.31, .50, 0.20]];
+SOIC8  = ["SOIC8",  [4.90, 3.90, 1.25], 0.10, 0.66, 1.27, 6.00,  [0.31, .50, 0.20]];
-SOIC16 = ["SOIC16", [9.90, 3.90, 1.25], 0.10, 0.66, 1.27, 6.00, [0.31, .50, 0.20]];
+SOIC14 = ["SOIC14", [8.70, 3.90, 1.25], 0.10, 0.66, 1.27, 6.00,  [0.31, .50, 0.20]];
-SOIC18 = ["SOIC18", [11.40, 7.50, 2.00], 0.10, 1.20, 1.27, 10.30, [0.31, .50, 0.20]];
+SOIC16 = ["SOIC16", [9.90, 3.90, 1.25], 0.10, 0.66, 1.27, 6.00,  [0.31, .50, 0.20]];
+SOIC18 = ["SOIC18", [11.40,7.50, 2.00], 0.10, 1.20, 1.27, 10.30, [0.31, .50, 0.20]];
 
-smd_soics = [SOIC8, SOIC16, SOIC18];
+smd_soics = [SOIC8, SOIC14, SOIC16, SOIC18];
+
+DO214AC = ["DO214AC", [4.0, 2.5, 2.0], 0.1, 1, [4.8, 1.2, 0.15, 2], grey(20)];
+
+smd_diodes = [DO214AC];
+
+TANT_A = ["TANT_A", [3.0, 1.6, 1.6], 0.1, 0.8,  [3.2, 1.2, 0.08, 1.1], ["#E9D769", "#E9B44A"]];
+TANT_B = ["TANT_B", [3.3, 2.8, 1.9], 0.1, 0.95, [3.5, 2.2, 0.08, 1.4], ["#E9D769", "#E9B44A"]];
+TANT_C = ["TANT_C", [5.8, 3.2, 2.6], 0.1, 1.3,  [6.0, 2.2, 0.08, 2.9], ["#E9D769", "#E9B44A"]];
+
+smd_tants = [TANT_A, TANT_B, TANT_C];
+
+IND2525 = ["IND2525", [6.75, 6.75, 2], 0.1, 1.75, [7.24, 3.2, 0.15, 4.4], grey(50)];
+
+smd_inductors = [IND2525];
+
+TC33X1 = ["TC33X1", [3.0, 3.8, 0.5], [0.95, 0.9, 0.88, 1.5, 0.2, 0.75],[3.0, 0.1, 0.2, 1.2, 1.7, 1.2, 1, 0.5], [2.1, 0.5], 1.5];
+
+smd_pots = [TC33X1];
+
+
+U_FL_R_SMT_1 = ["U_FL_R_SMT_1", [2.6, 2.6, 0.35], 0.2, [2, 1.7, 1.25], [1.86, 0.09, 0.6], 0.5, [0.4, 1.8, 0.2], [0.6, 3.1, 0.2]];
+
+smd_coaxs = [U_FL_R_SMT_1];
+
+QFP50P1200X1200X160_64N = ["QFP50P1200X1200X160_64N", [10, 10, 1.6], 12, 64, 0.5, [1, 0.2, 0.1], [0.2, 0.6, 0.1, 0.1]];
+
+smd_qfps = [ QFP50P1200X1200X160_64N ];
 
 use <smd.scad>

vitamins/tubings.scad

@@ -19,23 +19,25 @@
 
 //
 // Tubing and sleeving
-//                            Description           OD        ID  Colour
+//                                Description                OD        ID  Colour
-PVC64         = ["PVC64",     "PVC aquarium tubing", 6,        4, [0.8, 0.8, 0.8, 0.75 ]];
+PVC64         = ["PVC64",         "PVC aquarium tubing",      6,        4, [0.8, 0.8, 0.8, 0.75 ]];
-PVC85         = ["PVC85",     "PVC aquarium tubing", 8,        5, [0.8, 0.8, 0.8, 0.75 ]];
+PVC85         = ["PVC85",         "PVC aquarium tubing",      8,        5, [0.8, 0.8, 0.8, 0.75 ]];
-NEOP85        = ["NEOP85",    "Neoprene tubing",     8,        5, [0.2,0.2,0.2]];
+NEOP85        = ["NEOP85",        "Neoprene tubing",          8,        5, [0.2,0.2,0.2]];
-PTFE07        = ["PTFE07",    "PTFE sleeving",       1.2,   0.71, [0.95, 0.95, 0.95, 0.9]];
+PTFE07        = ["PTFE07",        "PTFE sleeving",            1.2,   0.71, [0.95, 0.95, 0.95, 0.9]];
-PTFE20        = ["PTFE20",    "PTFE sleeving",       2.6,      2, [0.95, 0.95, 0.95, 0.9]];
+PTFE20        = ["PTFE20",        "PTFE sleeving",            2.6,      2, [0.95, 0.95, 0.95, 0.9]];
-PTFE2_4       = ["PTFE2_4",   "PTFE tubing",         4,        2, [0.95, 0.95, 0.95, 0.9]];
+PTFE2_4       = ["PTFE2_4",       "PTFE tubing",              4,        2, [0.95, 0.95, 0.95, 0.9]];
-PTFE2_3       = ["PTFE2_3",   "PTFE tubing",         3,        2, [0.95, 0.95, 0.95, 0.9]];
+PTFE2_3       = ["PTFE2_3",       "PTFE tubing",              3,        2, [0.95, 0.95, 0.95, 0.9]];
-PTFE4_6       = ["PTFE4_6",   "PTFE tubing",         6,        4, [0.95, 0.95, 0.95, 0.9]];
+PTFE4_6       = ["PTFE4_6",       "PTFE tubing",              6,        4, [0.95, 0.95, 0.95, 0.9]];
-PF7           = ["PF7",       "PTFE tubing",         46/10, 3.84, [0.95, 0.95, 0.95, 0.9]];
+PF7           = ["PF7",           "PTFE tubing",              46/10, 3.84, [0.95, 0.95, 0.95, 0.9]];
-HSHRNK16      = ["HSHRNK16",  "Heatshrink sleeving", 2.0,    1.6, "grey"];
+HSHRNK16      = ["HSHRNK16",      "Heatshrink sleeving",      2.0,    1.6, "grey"];
-HSHRNK24      = ["HSHRNK24",  "Heatshrink sleeving", 2.8,    2.4, "grey"];
+HSHRNK24      = ["HSHRNK24",      "Heatshrink sleeving",      2.8,    2.4, "grey"];
-HSHRNK32      = ["HSHRNK32",  "Heatshrink sleeving", 3.6,    3.2, "grey"];
+HSHRNK32      = ["HSHRNK32",      "Heatshrink sleeving",      3.6,    3.2, "grey"];
-HSHRNK64      = ["HSHRNK64",  "Heatshrink sleeving", 6.8,    6.4, "grey"];
+HSHRNK64      = ["HSHRNK64",      "Heatshrink sleeving",      6.8,    6.4, "grey"];
-HSHRNK100     = ["HSHRNK100", "Heatshrink sleeving",10.4,   10.0,  [0.2,0.2,0.2]];
+HSHRNK100     = ["HSHRNK100",     "Heatshrink sleeving",     10.4,   10.0,  [0.2,0.2,0.2]];
-CARBONFIBER10 = ["CBNFIB10",  "Carbon fiber",       10.0,    8.0,  [0.3,0.3,0.3]];
+STFE4_3p2_CLR = ["STFE4_3p2_CLR", "PTFE heatshrink sleeving", 3.7,    3.2,  [0.95, 0.95, 0.95, 0.5]];
+STFE4_6p4_CLR = ["STFE4_6p4_CLR", "PTFE heatshrink sleeving", 7.0,    6.4,  [0.95, 0.95, 0.95, 0.5]];
+CARBONFIBER10 = ["CBNFIB10",      "Carbon fiber",            10.0,    8.0,  [0.3,0.3,0.3]];
 
-tubings = [PVC64, PVC85, NEOP85, PTFE07, PTFE20, PF7, PTFE2_3, PTFE2_4, PTFE4_6, HSHRNK16, HSHRNK24, HSHRNK64, HSHRNK100, CARBONFIBER10];
+tubings = [PVC64, PVC85, NEOP85, PTFE07, PTFE20, PF7, PTFE2_3, PTFE2_4, PTFE4_6, HSHRNK16, HSHRNK24, HSHRNK64, HSHRNK100, STFE4_3p2_CLR, STFE4_6p4_CLR, CARBONFIBER10];
 
 use <tubing.scad>

vitamins/veroboard.scad

@@ -60,13 +60,14 @@ module solder_meniscus(type, ir = 0.3, r = undef) { //! Draw a solder meniscus
             }
 }
 
-module vero_grid_pos(type, x, y) { //! Convert grid position to offset from the centre
+function vero_grid_pos(type, x, y) = //! Convert grid position to offset from the centre
-    holes = vero_holes(type);
+    let(holes = vero_holes(type), strips = vero_strips(type))
-    strips = vero_strips(type);
+        [((x + holes) % holes)    - holes / 2 + 0.5,
-    translate([((x + holes) % holes)    - holes / 2 + 0.5,
+         ((y + strips) % strips) - strips / 2 + 0.5] * vero_pitch(type);
-               ((y + strips) % strips) - strips / 2 + 0.5] * vero_pitch(type))
+
+module vero_grid_pos(type, x, y) //! Convert grid position to offset from the centre
+    translate(vero_grid_pos(type, x, y))
         children();
-}
 
 module vero_mounting_hole_positions(type) //! Positions children at the mounting holes
     for(p = vero_mounting_holes(type))
@@ -147,23 +148,25 @@ module vero_components(type, cutouts = false, angle = undef)
 module vero_cutouts(type, angle = undef) //! Make cutouts to clear components
     vero_components(type, true, angle);
 
-module veroboard_assembly(type, height, thickness, flip = false, ngb = false) //! Draw the assembly with components and fasteners in place
+module veroboard_assembly(type, ngb = false) //! Draw the assembly with components
+pose_vflip(exploded = true)
 assembly(vero_assembly(type), ngb = ngb) {
+    veroboard(type);
+
+    vero_components(type);
+
+    for(r = vero_joints(type))
+        for(x = r.x, y = r.y)
+            vero_grid_pos(type, x, y)
+                 vflip()
+                    solder_meniscus(type);
+}
+
+module veroboard_fasteners(type, height, thickness, flip = false) { //! Draw the fasteners in place
     screw = vero_screw(type);
     nut = screw_nut(screw);
     screw_length = screw_length(screw, height + thickness + vero_thickness(type), 2, nyloc = true);
 
-    translate_z(height) {
-        veroboard(type);
-
-        vero_components(type);
-
-        for(r = vero_joints(type))
-            for(x = r.x, y = r.y)
-                vero_grid_pos(type, x, y)
-                     vflip()
-                        solder_meniscus(type);
-    }
     vero_mounting_hole_positions(type) {
         translate_z(height + vero_thickness(type))
             if(flip)
@@ -181,3 +184,11 @@ assembly(vero_assembly(type), ngb = ngb) {
                     nut_and_washer(nut, true);
     }
 }
+
+module veroboard_fastened_assembly(type, height, thickness, flip = false, ngb = false) { //! Draw the assembly with components and fasteners in place
+
+    translate_z(height)
+        veroboard_assembly(type, ngb = ngb);
+
+    veroboard_fasteners(type, height, thickness, flip);
+}

vitamins/wire.scad

@@ -25,8 +25,12 @@ use <../utils/sweep.scad>
 use <../utils/maths.scad>
 include <zipties.scad>
 
-module wire(colour, strands, length, strand = 0.2)   //! Add stranded wire to the BOM
+module wire(colour, strands, length, strand = 0.2, d = 0, path = []) {  //! Add stranded wire to the BOM and draw it if diameter and path specified
-    vitamin(str(": Wire ", colour, " ", strands, "/", strand, "mm strands, length ",length, "mm"));
+    vitamin(str(": Wire ", colour, " ", strands, "/", strand, "mm strands, length ", ceil(length + path_length(path)), "mm"));
+
+    if(path && d)
+         color(colour) sweep(path, circle_points(r = d / 2));
+}
 
 module ribbon_cable(ways, length)                   //! Add ribbon cable to the BOM
     vitamin(str(": Ribbon cable ", ways, " way ", length, "mm"));