Fixed typo in resistor comment.

veroboard_assembly() now doesn't include the fasteners.

.gitignore

@@ -11,3 +11,4 @@ options.json
 times.txt
 *_diff.png
 *.echo
+cmd_times.txt

CHANGELOG.md

@@ -3,6 +3,260 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [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.
+
+*   2023-02-01 [`df06d1f`](https://github.com/nophead/NopSCADlib/commit/df06d1f57fff64cd6da20684f8371da204f69a82 "show commit") [C.P.](# "Chris Palmer") Updated changelog.
+
+### [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.
+
+*   2022-09-29 [`d95e1e6`](https://github.com/nophead/NopSCADlib/commit/d95e1e64edba4ef51852a1e72d00497154c80c88 "show commit") [C.](# "Chris") Udated changelog.
+
+### [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.
+
+*   2022-09-27 [`ce258d6`](https://github.com/nophead/NopSCADlib/commit/ce258d6d4f1de5fbdda76a78b0ad2cbf1b41a3f9 "show commit") [J.R.](# "Jeroen Roos") Leadnuts: add nuthousing
+
+### [v20.13.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.13.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.12.0...v20.13.0 "diff with v20.12.0")
+*   2022-09-27 [`ec85cc5`](https://github.com/nophead/NopSCADlib/commit/ec85cc5d4c76baedae670a5652194bd1799a7094 "show commit") [C.](# "Chris") Updated images and readme.
+
+*   2022-09-24 [`fb66954`](https://github.com/nophead/NopSCADlib/commit/fb6695471f935057a0949e55f70a39911ac81f4c "show commit") [J.R.](# "Jeroen Roos") Shaft coupling: Add flexible SC `/` 6x8 flexible SC
+
+ * Added the possibility for shaft couplings to be flexible and added a 6x8
+example of such a coupling.
+
+### [v20.12.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.12.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.11.0...v20.12.0 "diff with v20.11.0")
+*   2022-09-27 [`c9ac393`](https://github.com/nophead/NopSCADlib/commit/c9ac393c0c7b025b3e6ad9e1030d1b13f8b879c3 "show commit") [C.](# "Chris") Printed corner blocks now have a `short_insert` option.
+
+*   2022-09-27 [`208334a`](https://github.com/nophead/NopSCADlib/commit/208334a585ed0605bf7dbaab1050c060aa15edb7 "show commit") [C.](# "Chris") Printed box now has a short insert option.
+
+*   2022-09-27 [`3a17b89`](https://github.com/nophead/NopSCADlib/commit/3a17b89d5ceb69834b23ff6bc46523f2dfb15f99 "show commit") [C.](# "Chris") Added short inserts and M5 inserts.
+`screw_insert()` now takes a short flag.
+`screw_length()` can now be passed an insert object.
+
+*   2022-09-25 [`0f36c02`](https://github.com/nophead/NopSCADlib/commit/0f36c02b5e34b0b45d258ff8e6ed4536f0601d92 "show commit") [C.](# "Chris") Added `layer_height0` global variable and updated `round_to_layer()` to handle it.
+
+ * Moved functions from `global_defs.scad` to `global.scad` so they get documented.
+
+### [v20.11.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.11.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.10.3...v20.11.0 "diff with v20.10.3")
+*   2022-08-30 [`c1e4625`](https://github.com/nophead/NopSCADlib/commit/c1e4625382646faf6a00e78ac01e495a88169b35 "show commit") [C.](# "Chris") Replaced generic chips with SOIC8.
+Updated images and readme.
+
+*   2022-08-29 [`6059c5f`](https://github.com/nophead/NopSCADlib/commit/6059c5f5569a9fc2ba08e448bbf90328fb985ed3 "show commit") [C.](# "ChemicalXandco") add L9110S 2-Channel motor driver module
+
+#### [v20.10.3](https://github.com/nophead/NopSCADlib/releases/tag/v20.10.3 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.10.2...v20.10.3 "diff with v20.10.2")
+*   2022-08-03 [`4ceb6bd`](https://github.com/nophead/NopSCADlib/commit/4ceb6bd8639cd39ac39798b3eccd178526a56c13 "show commit") [C.](# "Chris") Fixed a gap in printed hinges.
+
+#### [v20.10.2](https://github.com/nophead/NopSCADlib/releases/tag/v20.10.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.10.1...v20.10.2 "diff with v20.10.1")
+*   2022-07-16 [`664d04a`](https://github.com/nophead/NopSCADlib/commit/664d04ad93c28c2614d5991e2b8dfa78964f6a99 "show commit") [C.](# "Chris") Now logs the time taken to run non OpenSCAD commands in `cmd_times.txt`
+
+#### [v20.10.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.10.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.10.0...v20.10.1 "diff with v20.10.0")
+*   2022-06-30 [`f44d9ae`](https://github.com/nophead/NopSCADlib/commit/f44d9ae424f407baa4f8b5187819b43b30800257 "show commit") [M.B.](# "Martin Budden") Made includes relative in `bldc_motors`.
+
+*   2022-07-15 [`1238dba`](https://github.com/nophead/NopSCADlib/commit/1238dba90ac5c48ba01abb9e7926a064353489de "show commit") [C.](# "Chris") Updated readme.
+
+*   2022-06-22 [`aec7211`](https://github.com/nophead/NopSCADlib/commit/aec72118fac218ca033264fa7b28db2bff7db10a "show commit") [M.B.](# "Martin Budden") Fixed typos.
+
+### [v20.10.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.10.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.9.0...v20.10.0 "diff with v20.9.0")
+*   2022-07-04 [`b58a59d`](https://github.com/nophead/NopSCADlib/commit/b58a59dab70bb414dd90dc5a9055d6bf3b4f6144 "show commit") [C.](# "Chris") Updated images and readme.
+
+*   2022-07-04 [`6b6ffb2`](https://github.com/nophead/NopSCADlib/commit/6b6ffb2b74cc89ffecbcad7c304c3c4f047a8805 "show commit") [C.](# "Chris") Added SOICs to tests.
+
+*   2022-07-04 [`1e30ad2`](https://github.com/nophead/NopSCADlib/commit/1e30ad24e802dc6e075fd73185551202101d4793 "show commit") [C.](# "Chris") Added `smd_soic` to  `pcb_component()`.
+
+*   2022-07-04 [`dc715ff`](https://github.com/nophead/NopSCADlib/commit/dc715ff2b70ae98615ee43750f3bb7613b481f7b "show commit") [C.](# "Chris") Tweaked SOIC text size.
+
+*   2022-07-04 [`c57c202`](https://github.com/nophead/NopSCADlib/commit/c57c202e31c70351f38ef6299c60b0deb54bd296 "show commit") [M.](# "MS3FGX") Adjust lead sizing
+
+*   2022-07-02 [`26bfe96`](https://github.com/nophead/NopSCADlib/commit/26bfe96614741206c8da6d126edfa9eb5326cb8f "show commit") [M.](# "MS3FGX") Add SOIC SMD Package
+
+### [v20.9.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.9.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.8.0...v20.9.0 "diff with v20.8.0")
+*   2022-07-02 [`2cc3c6e`](https://github.com/nophead/NopSCADlib/commit/2cc3c6ec7c9d8ee285d49111559d40fb2a3112e1 "show commit") [C.](# "Chris") Updated images and readme.
+
+*   2022-07-02 [`633843d`](https://github.com/nophead/NopSCADlib/commit/633843d45eacd42619581a4619752700e1cd687b "show commit") [C.](# "Chris") Added LED1206 example to PCB test.
+
+*   2022-07-02 [`1a472c8`](https://github.com/nophead/NopSCADlib/commit/1a472c8ed549e230f7df93989f3e1db729b4b281 "show commit") [M.](# "MS3FGX") Add 1206 SMD LED
+
+### [v20.8.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.8.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.7.0...v20.8.0 "diff with v20.7.0")
+*   2022-06-23 [`ecd534b`](https://github.com/nophead/NopSCADlib/commit/ecd534b5773928b9987023bd4370f661cc750fbd "show commit") [C.P.](# "Chris Palmer") Added `NEMA_connection_pos()`.
+Changed motor wire colours and tweaked wire position and size,
+
+### [v20.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.6.1...v20.7.0 "diff with v20.6.1")
+*   2022-06-21 [`28c36a4`](https://github.com/nophead/NopSCADlib/commit/28c36a4e966cceccbbdc330cf9a6fdeaa0283889 "show commit") [C.P.](# "Chris Palmer") `rounded_polygon()` now copes with the degenerate case when tangents intersect to form a sharp corner with no arc.
+Added an `offset()` function with some limitations.
+
+#### [v20.6.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.6.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.6.0...v20.6.1 "diff with v20.6.0")
+*   2022-06-21 [`6a9af0a`](https://github.com/nophead/NopSCADlib/commit/6a9af0af8aef68978b8be248810d07c85150341b "show commit") [C.P.](# "Chris Palmer") Updates images
+
+*   2022-06-21 [`a6a0808`](https://github.com/nophead/NopSCADlib/commit/a6a08088d986dbcbc4d01c06e0475176ec8bc76f "show commit") [M.B.](# "Martin Budden") Fixed dimensions of E1515 extrusion.
+
+*   2022-06-21 [`bcf9fb3`](https://github.com/nophead/NopSCADlib/commit/bcf9fb38dfabaf93508a380b85b12e3b23f28cf8 "show commit") [M.B.](# "Martin Budden") Fixed typos.
+
+*   2022-06-21 [`06443a5`](https://github.com/nophead/NopSCADlib/commit/06443a558b407292a1e73f60c24cc90ec618d511 "show commit") [M.B.](# "Martin Budden") Standardised setting of imgsize in scripts.
+
+### [v20.6.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.6.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.5.1...v20.6.0 "diff with v20.5.1")
+*   2022-06-14 [`18f3d43`](https://github.com/nophead/NopSCADlib/commit/18f3d43780d7e083fc3b21290db2049fb4364a46 "show commit") [C.P.](# "Chris Palmer") Added convexity parameter to `clip()`.
+
+#### [v20.5.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.5.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.5.0...v20.5.1 "diff with v20.5.0")
+*   2022-06-14 [`eda88cc`](https://github.com/nophead/NopSCADlib/commit/eda88cc8d75eb4c0cb59b368b4e2ad3db2115834 "show commit") [C.P.](# "Chris Palmer") Fixed `vero()` constructor documentation.
+Fixed missing space in veroboard vitamin description.
+
+*   2022-06-14 [`630268d`](https://github.com/nophead/NopSCADlib/commit/630268d71a0b478c28b6bde2a7c3ff9074c7a8fb "show commit") [C.P.](# "Chris Palmer") Changed `screw_knob()` facets to be suitable for 3D printing.
+Fixed `knob_height()` so it can take a screw as a type.
+
+### [v20.5.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.5.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.4.0...v20.5.0 "diff with v20.4.0")
+*   2022-05-31 [`cc5654d`](https://github.com/nophead/NopSCADlib/commit/cc5654d7d756287f5311e35104003f38a4a94475 "show commit") [C.](# "Chris") Added `usb_miniA()`.
+
+### [v20.4.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.4.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.3.1...v20.4.0 "diff with v20.3.1")
+*   2022-04-01 [`d46913c`](https://github.com/nophead/NopSCADlib/commit/d46913ce4f64656889fd29dccc0709d84d4d9c49 "show commit") [C.P.](# "Chris Palmer") Printed `screw_knob()` is now fully customisable by passing a parameter
+list, constructed by `screw_knob(),` in place of the screw.
+
+ * Screws can still be passed for backwards compatibility.
+
+#### [v20.3.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.3.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.3.0...v20.3.1 "diff with v20.3.0")
+*   2022-04-01 [`b9f676a`](https://github.com/nophead/NopSCADlib/commit/b9f676a75369d666540f79abe0392e209e20d0f0 "show commit") [C.P.](# "Chris Palmer") Documented `insert_hole_length()`.
+
+### [v20.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.2.0...v20.3.0 "diff with v20.2.0")
+*   2022-03-17 [`ddc4150`](https://github.com/nophead/NopSCADlib/commit/ddc4150ed73c8300bc3ef4326a91cd4ec54ed9e3 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2022-03-16 [`7e126c9`](https://github.com/nophead/NopSCADlib/commit/7e126c94cadd120d686eaad8459723e0c1dfc0b2 "show commit") [M.](# "Mozza") Add A23 cell
+
+### [v20.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.1.2...v20.2.0 "diff with v20.1.2")
+*   2022-03-17 [`744ebc2`](https://github.com/nophead/NopSCADlib/commit/744ebc293594e2d049220bba7325f3a22f40a71a "show commit") [C.P.](# "Chris Palmer") Added functions for generating twisted cable paths and calculating its radius.
+Top row of cable bundles reversed to match a twisted cable.
+
+#### [v20.1.2](https://github.com/nophead/NopSCADlib/releases/tag/v20.1.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.1.1...v20.1.2 "diff with v20.1.1")
+*   2022-03-17 [`99a5570`](https://github.com/nophead/NopSCADlib/commit/99a5570e248be32747bead61e17feaa3bde13f9b "show commit") [C.P.](# "Chris Palmer") Fixed ziptie bug for small wires and corners made sharper.
+
+*   2022-03-17 [`b70911d`](https://github.com/nophead/NopSCADlib/commit/b70911dc132727f24798e92be06a87ab37f2917e "show commit") [C.P.](# "Chris Palmer") Image odd pixel changes due to move to summer computer.
+
+*   2022-03-01 [`2d20fb1`](https://github.com/nophead/NopSCADlib/commit/2d20fb130a260b1f7358ea9fbb9fca2b5a18a65b "show commit") [C.P.](# "Chris Palmer") Removed dead code in `spiral_paths()`.
+
+#### [v20.1.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.1.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.1.0...v20.1.1 "diff with v20.1.0")
+*   2022-02-25 [`943deed`](https://github.com/nophead/NopSCADlib/commit/943deededfe2b258f23ca64001ae7c010ed626bc "show commit") [C.P.](# "Chris Palmer") Updated the readme.
+
+*   2022-02-24 [`c0d9067`](https://github.com/nophead/NopSCADlib/commit/c0d9067b740fc5ea4a41e696c88613a284685118 "show commit") [M.B.](# "Martin Budden") Fixed typos.
+
+*   2022-02-25 [`a30aff9`](https://github.com/nophead/NopSCADlib/commit/a30aff9613f51092bbad7052bfe1194a61557efc "show commit") [C.P.](# "Chris Palmer") Fixed missing brackets for sheets with chamfered corners.
+
+### [v20.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.0.1...v20.1.0 "diff with v20.0.1")
+*   2022-02-23 [`f173284`](https://github.com/nophead/NopSCADlib/commit/f173284709acdbd32de21f0d27cb3ab10b42eb2a "show commit") [C.P.](# "Chris Palmer") Can now inhibit exploded lines for issue [#220](https://github.com/nophead/NopSCADlib/issues/220 "show issue").
+
+#### [v20.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.0.0...v20.0.1 "diff with v20.0.0")
+*   2022-02-23 [`0206b2e`](https://github.com/nophead/NopSCADlib/commit/0206b2e868119b3b5fdea6111839bf5055eae438 "show commit") [C.P.](# "Chris Palmer") Updated images.
+
+*   2022-02-03 [`1ac5a6f`](https://github.com/nophead/NopSCADlib/commit/1ac5a6f6cbe518646f19c4372a2393eb2e020a18 "show commit") [M.B.](# "Martin Budden") Made hard washers slightly lighter.
+This means they can be distinguished from bolts when viewed from directly
+above.
+
 ## [v20.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v19.21.0...v20.0.0 "diff with v19.21.0")
 *   2022-02-23 [`f8d17c6`](https://github.com/nophead/NopSCADlib/commit/f8d17c6f1615b9ff9b615ad2947c4b0119bf7597 "show commit") [C.P.](# "Chris Palmer") Updated readme.
 
@@ -375,8 +629,6 @@ Fixed `M6_cs_cap_screw` and `M4_grub_screw` socket sizes.
 #### [v15.21.1](https://github.com/nophead/NopSCADlib/releases/tag/v15.21.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.21.0...v15.21.1 "diff with v15.21.0")
 *   2021-08-09 [`be53547`](https://github.com/nophead/NopSCADlib/commit/be53547728834d8e786ad4cb5637c768320a3105 "show commit") [M.B.](# "Martin Budden") Fixed display of BLDC prop shaft when thread length `=` 0.
 
-*   2021-07-04 [`ba7d7d3`](https://github.com/nophead/NopSCADlib/commit/ba7d7d32adf554d163143c0ae1707565340bb35b "show commit") [C.P.](# "Chris Palmer") Updated chnagelog.
-
 ### [v15.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.20.0...v15.21.0 "diff with v15.20.0")
 *   2021-07-01 [`df35e14`](https://github.com/nophead/NopSCADlib/commit/df35e14fc71794c3826d6c99ce3cab93a4cfa5fe "show commit") [M.B.](# "Martin Budden") Improved handling of pcb plating colour.
 

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.
@@ -28,6 +28,8 @@ by downloading https://github.com/nophead/NopSCADlib/archive/master.zip and unzi
 
 The `NopSCADlib/scripts` directory needs to be added to the executable search path, `PATH` on Windows and `path` on Linux and Mac.
 
+Note that on Linux and OSX the full file name including the `.py` will be needed.
+
 The installation can be tested by opening `NopSCADlib/libtest.scad` in the OpenSCAD GUI. It should render all the objects in the library in about 1 minute.
 
 Running `tests` from the command line will run all the tests in the `tests` directory and build the `readme.md` catalog for GitHub and render it to `readme.html`

global_defs.scad

@@ -29,6 +29,7 @@ rr_green = [0, 146/255, 0];                                               // Rep
 crimson  = [220/255, 20/255, 60/255];
 
 layer_height    = is_undef($layer_height)    ? 0.25   : $layer_height;    // layer height when printing
+layer_height0   = is_undef($layer_height0)   ? layer_height : $layer_height0; // height of first layer if different
 extrusion_width = is_undef($extrusion_width) ? 0.5    : $extrusion_width; // filament width when printing
 nozzle          = is_undef($nozzle)          ? 0.45   : $nozzle;          // 3D printer nozzle
 cnc_bit_r       = is_undef($cnc_bit_r)       ? 1.2    : $cnc_bit_r;       // minimum tool radius when milling 2D objects
@@ -51,10 +52,7 @@ eps = 1/128;     // small fudge factor to stop CSG barfing on coincident faces.
 $fa = 6;
 $fs = extrusion_width / 2;
 
-function round_to_layer(z) = ceil(z / layer_height) * layer_height;         //! Round up to a multiple of layer_height.
-
 // Some additional named colours
-function grey(n) = [0.01, 0.01, 0.01] * n;                                  //! Generate a shade of grey to pass to color().
 silver           = [0.75, 0.75, 0.75];
 gold             = [255, 215,   0] / 255;
 brass            = [255, 220, 100] / 255;

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>
@@ -63,6 +65,7 @@ include <vitamins/spools.scad>
 include <vitamins/ssrs.scad>
 include <vitamins/stepper_motors.scad>
 include <vitamins/swiss_clips.scad>
+include <vitamins/terminal.scad>
 include <vitamins/toggles.scad>
 include <vitamins/transformers.scad>
 include <vitamins/tubings.scad>
@@ -98,3 +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>
@@ -149,6 +152,9 @@ 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();
 
@@ -163,14 +169,11 @@ corner_blocks_y = fixing_blocks_y + 30;
 translate([x5, corner_blocks_y])
     corner_blocks();
 
-feet_y = corner_blocks_y + 70;
-translate([x5, feet_y])
-    feet();
-
-translate([x5 + 70, feet_y])
+screw_knobs_y = corner_blocks_y + 70;
+translate([x5, screw_knobs_y])
     screw_knobs();
 
-knobs_y = feet_y + 40;
+knobs_y = screw_knobs_y + 40;
 translate([640, knobs_y])
     printed_pulley_test();
 
@@ -185,6 +188,9 @@ strap_y = clips_y + 50;
 translate([x5 + 60, strap_y])
     strap_handles();
 
+translate([x6, strap_y])
+   feet();
+
 handle_y = strap_y + 50;
 translate([x5, handle_y])
     handle();
@@ -211,7 +217,7 @@ translate([950, box_y])
     box_test();
 
 
-translate([950, 1400])
+translate([950, 1525])
     rotate(-90)
         bbox_test();
 
@@ -232,7 +238,7 @@ linear_bearings_y = leadnuts_y + 50;
 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;
@@ -279,6 +285,9 @@ translate([x0, pulleys_y])
 translate([x0, leadnuts_y])
     leadnuts();
 
+translate([x0 + 120, leadnuts_y])
+    leadnuthousings();
+
 translate([x0, linear_bearings_y]) {
     linear_bearings();
     rods();
@@ -329,9 +338,10 @@ leds_y = 0;
 carriers_y = leds_y + 40;
 magnets_y = carriers_y + 40;
 spades_y = magnets_y + 20;
-buttons_y = spades_y + 20;
-jacks_y = buttons_y + 40;
-microswitches_y = jacks_y + 40;
+fastons_y = spades_y + 20;
+buttons_y = fastons_y + 20;
+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;
@@ -357,6 +367,9 @@ translate([x2 + 70, leds_y])
 translate([x2, spades_y])
     spades();
 
+translate([x2, fastons_y])
+    fastons();
+
 translate([x2,  buttons_y])
     buttons();
 
@@ -416,6 +429,9 @@ translate([x3 + 60, modules_y])
 translate([x3 + 90, modules_y])
     modules();
 
+translate([x3 + 150, modules_y])
+    photo_interrupters();
+
 translate([x3, ssrs_y]) {
     ssrs();
 

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
-    dxf(str(box_name(type), "_shelf"));
-
+module box_shelf_blank(type, sheet = false, wall = undef) { //! Generates a 2D template for a shelf sheet
     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
-    dxf(str(box_name(type), "_left"));
-
+module box_left_blank(type, sheet = false) //! Generates a 2D template for the left 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_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
- [ screw, sheets, base_sheet, top_sheet, span, size.x, size.y, size.z, name, skip_blocks, star_washers, thin_blocks ];
+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, 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/camera_housing.scad

@@ -23,7 +23,6 @@
 include <../core.scad>
 include <../vitamins/cameras.scad>
 use <../vitamins/pcb.scad>
-use <../vitamins/insert.scad>
 
 wall = 1.75;
 min_wall = 2 * extrusion_width;

printed/corner_block.scad

@@ -31,7 +31,7 @@
 //! Star washers can be omitted by setting `star_washers` to false.
 //!
 //! A 2screw_block is a thinner version with two screws and two mating surfaces. It can be used as an alternative to fixing blocks when
-//! high lateral rigity is not required.
+//! high lateral rigidity is not required.
 //
 include <../core.scad>
 use <../vitamins/insert.scad>
@@ -44,47 +44,49 @@ overshoot = 2;      // how far screw can overshoot the insert
 
 function corner_block_screw() = def_screw; //! Default screw type
 
-function corner_block_hole_offset(screw = def_screw) = //! Hole offset from the edge
-    let(insert = screw_insert(screw))
+function corner_block_hole_offset(screw = def_screw, short_insert = false) = //! Hole offset from the edge
+    let(insert = screw_insert(screw, short_insert))
         insert_length(insert) + max(overshoot + screw_clearance_radius(screw), insert_hole_radius(insert)) + 1;
 
+function corner_block_width(screw = def_screw, short_insert = false) = //! Block width, depth and height
+    corner_block_hole_offset(screw, short_insert) + insert_outer_d(screw_insert(screw, short_insert)) / 2 + wall;
 
-function corner_block_width(screw = def_screw) = //! Block width, depth and height
-    corner_block_hole_offset(screw) + insert_outer_d(screw_insert(screw)) / 2 + wall;
+function corner_block_v_hole(screw = def_screw, short_insert = false) = //! Transform to bottom hole
+    let(offset = corner_block_hole_offset(screw, short_insert))
+        translate([offset, offset]) * rotate([180, 0, 0]);
 
-function corner_block_v_hole(screw = def_screw) = let(offset = corner_block_hole_offset(screw)) translate([offset, offset]) * rotate([180, 0, 0]); //! Transform to bottom hole
-
-function corner_block_h_holes(screw = def_screw) = //! List of transforms to side holes
-    let(offset = corner_block_hole_offset(screw))
+function corner_block_h_holes(screw = def_screw, short_insert = false) = //! List of transforms to side holes
+    let(offset = corner_block_hole_offset(screw, short_insert))
         [translate([offset, 0,      offset])                * rotate([90, 0,   0]),
          translate([0,      offset, offset - layer_height]) * rotate([90, 0, -90])];
 
-function corner_block_holes(screw) = concat([corner_block_v_hole(screw)], corner_block_h_holes(screw)); //! List of transforms to all holes
+function corner_block_holes(screw, short_insert = false) =  //! List of transforms to all holes
+    concat([corner_block_v_hole(screw, short_insert)], corner_block_h_holes(screw, short_insert));
 
-module corner_block_v_hole(screw = def_screw) //! Place children at the bottom screw hole
-    multmatrix(corner_block_v_hole(screw))
+module corner_block_v_hole(screw = def_screw, short_insert = false) //! Place children at the bottom screw hole
+    multmatrix(corner_block_v_hole(screw, short_insert))
         children();
 
-module corner_block_h_holes(screw = def_screw, index = undef) //! Place children at the side screw holes
-    for(p = !is_undef(index) ? [corner_block_h_holes(screw)[index]] : corner_block_h_holes(screw))
+module corner_block_h_holes(screw = def_screw, index = undef, short_insert = false) //! Place children at the side screw holes
+    for(p = !is_undef(index) ? [corner_block_h_holes(screw, short_insert)[index]] : corner_block_h_holes(screw, short_insert))
         multmatrix(p)
             children();
 
-module corner_block_holes(screw = def_screw) //! Place children at all the holes
-    for(p = corner_block_holes(screw))
+module corner_block_holes(screw = def_screw, short_insert = false) //! Place children at all the holes
+    for(p = corner_block_holes(screw, short_insert))
         multmatrix(p)
             children();
 
-module corner_block(screw = def_screw, name = false) { //! Generate the STL for a printed corner block
+module corner_block(screw = def_screw, name = false, short_insert = false) { //! Generate the STL for a printed corner block
     r = 1;
-    cb_width = corner_block_width(screw);
+    cb_width = corner_block_width(screw, short_insert);
     cb_height = cb_width;
     cb_depth = cb_width;
-    insert = screw_insert(screw);
+    insert = screw_insert(screw, short_insert);
     corner_rad = insert_outer_d(insert) / 2 + wall;
-    offset = corner_block_hole_offset(screw);
+    offset = corner_block_hole_offset(screw, short_insert);
 
-    stl(name ? name : str("corner_block", "_M", screw_radius(screw) * 20))
+    stl(name ? name : str("corner_block", "_M", screw_radius(screw) * 20, short_insert ? "_s": ""))
         difference() {
             hull()  {
                 translate([r, r])
@@ -110,53 +112,54 @@ module corner_block(screw = def_screw, name = false) { //! Generate the STL for
                     rotate([0, 90, 180])
                         rounded_cylinder(r = corner_rad, h = r, r2 = r);
             }
-            corner_block_v_hole(screw)
+            corner_block_v_hole(screw, short_insert)
                 insert_hole(insert, overshoot);
 
-            corner_block_h_holes(screw)
+            corner_block_h_holes(screw, short_insert = short_insert)
                 insert_hole(insert, overshoot, true);
 
             children();
         }
 }
 
-module corner_block_assembly(screw = def_screw, name = false) //! The printed block with inserts
-assembly(name ? name : str("corner_block_M", 20 * screw_radius(screw)), ngb = true) {
-    insert = screw_insert(screw);
+module corner_block_assembly(screw = def_screw, name = false, short_insert = false) //! The printed block with inserts
+assembly(name ? name : str("corner_block_M", 20 * screw_radius(screw), short_insert ? "_s": ""), ngb = true) {
+    insert = screw_insert(screw, short_insert);
 
     stl_colour(name ? pp2_colour : pp1_colour)
-        render() corner_block(screw, name) children();
+        render() corner_block(screw, name, short_insert) children();
 
-    corner_block_h_holes(screw)
+    corner_block_h_holes(screw, short_insert = short_insert)
         insert(insert);
 
-    corner_block_v_hole(screw)
+    corner_block_v_hole(screw, short_insert)
         insert(insert);
 }
 
-module fastened_corner_block_assembly(thickness, screw = def_screw, thickness_below = undef, thickness_side2 = undef, name = false, show_block = true, star_washers = true) { //! Printed block with all fasteners
+module fastened_corner_block_assembly(thickness, screw = def_screw, thickness_below = undef, thickness_side2 = undef, name = false, show_block = true, star_washers = true, short_insert = false) { //! Printed block with all fasteners
     thickness2 = !is_undef(thickness_below) ? thickness_below : thickness;
     thickness3 = !is_undef(thickness_side2) ? thickness_side2 : thickness;
-    function screw_len(t) = screw_length(screw, t + overshoot, star_washers ? 2 : 1, true);
+    insert = screw_insert(screw, short_insert);
+    function screw_len(t) = screw_length(screw, t + overshoot, star_washers ? 2 : 1, insert);
     screw_length = screw_len(thickness);
     screw_length2 = screw_len(thickness2);
     screw_length3 = screw_len(thickness3);
 
     if(show_block)
-        corner_block_assembly(screw, name) children();
+        corner_block_assembly(screw, name, short_insert) children();
 
     if(thickness)
-        corner_block_h_holes(screw, 0)
+        corner_block_h_holes(screw, 0, short_insert)
             translate_z(thickness)
                 screw_and_washer(screw, screw_length, star_washers);
 
     if(thickness3)
-        corner_block_h_holes(screw, 1)
+        corner_block_h_holes(screw, 1, short_insert)
             translate_z(thickness3)
                 screw_and_washer(screw, screw_length3, star_washers);
 
     if(thickness2)
-        corner_block_v_hole(screw)
+        corner_block_v_hole(screw, short_insert)
             translate_z(thickness2)
                 screw_and_washer(screw, screw_length2, star_washers);
 }
@@ -165,6 +168,10 @@ module corner_block_M20_stl() corner_block(M2_cap_screw);
 module corner_block_M25_stl() corner_block(M2p5_cap_screw);
 module corner_block_M30_stl() corner_block(M3_cap_screw);
 module corner_block_M40_stl() corner_block(M4_cap_screw);
+module corner_block_M20_s_stl() corner_block(M2_cap_screw, short_insert = true);
+module corner_block_M25_s_stl() corner_block(M2p5_cap_screw, short_insert = true);
+module corner_block_M30_s_stl() corner_block(M3_cap_screw, short_insert = true);
+module corner_block_M40_s_stl() corner_block(M4_cap_screw, short_insert = true);
 //
 //! 1. Lay the blocks out and place an M2 insert in each upward facing hole.
 //! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
@@ -197,36 +204,69 @@ module corner_block_M30_assembly() corner_block_assembly(M3_cap_screw);
 //
 module corner_block_M40_assembly() corner_block_assembly(M4_cap_screw);
 
-function 2screw_block_width(screw = def_screw) = //! 2 screw block width is narrower, height and depth are as corner_block
-    insert_outer_d(screw_insert(screw)) + 2 * wall;
+//
+//! 1. Lay the blocks out and place an M2 insert in each upward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other two flat sides and repeat.
+//
+module corner_block_M20_s_assembly() corner_block_assembly(M2_cap_screw, short_insert = true);
 
-function 2screw_block_v_hole(screw = def_screw) = translate([0, corner_block_hole_offset(screw)]) * rotate([180, 0, 0]); //! Transform to bottom hole
-function 2screw_block_h_hole(screw = def_screw) = translate([0, 0, corner_block_hole_offset(screw)]) * rotate([90, 0, 0]); //! Transform to front hole
-function 2screw_block_holes(screw) = concat([2screw_block_v_hole(screw)], [2screw_block_h_hole(screw)]); //! List of transforms to both holes
+//
+//! 1. Lay the blocks out and place an M2.5 insert in each upward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other two flat sides and repeat.
+//
+module corner_block_M25_s_assembly() corner_block_assembly(M2p5_cap_screw, short_insert = true);
 
-module 2screw_block_v_hole(screw = def_screw) //! Place children at the bottom screw hole
-    multmatrix(2screw_block_v_hole(screw))
+//
+//! 1. Lay the blocks out and place an M3 insert in each upward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other two flat sides and repeat.
+//
+module corner_block_M30_s_assembly() corner_block_assembly(M3_cap_screw, short_insert = true);
+
+//
+//! 1. Lay the blocks out and place an M4 insert in each upward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other two flat sides and repeat.
+//
+module corner_block_M40_s_assembly() corner_block_assembly(M4_cap_screw, short_insert = true);
+
+
+function 2screw_block_width(screw = def_screw, short_insert = false) = //! 2 screw block width is narrower, height and depth are as corner_block
+    insert_outer_d(screw_insert(screw, short_insert)) + 2 * wall;
+
+function 2screw_block_v_hole(screw = def_screw, short_insert = false) = translate([0, corner_block_hole_offset(screw, short_insert)]) * rotate([180, 0, 0]); //! Transform to bottom hole
+function 2screw_block_h_hole(screw = def_screw, short_insert = false) = translate([0, 0, corner_block_hole_offset(screw, short_insert)]) * rotate([90, 0, 0]); //! Transform to front hole
+function 2screw_block_holes(screw, short_insert = false) = concat([2screw_block_v_hole(screw, short_insert)], [2screw_block_h_hole(screw, short_insert)]); //! List of transforms to both holes
+
+module 2screw_block_v_hole(screw = def_screw, short_insert = false) //! Place children at the bottom screw hole
+    multmatrix(2screw_block_v_hole(screw, short_insert))
         children();
 
-module 2screw_block_h_hole(screw = def_screw) //! Place children at the front screw hole
-    multmatrix(2screw_block_h_hole(screw))
+module 2screw_block_h_hole(screw = def_screw, short_insert = false) //! Place children at the front screw hole
+    multmatrix(2screw_block_h_hole(screw, short_insert))
         children();
 
-module 2screw_block_holes(screw = def_screw) //! Place children at both screw holes
-    for(p = 2screw_block_holes(screw))
+module 2screw_block_holes(screw = def_screw, short_insert = false) //! Place children at both screw holes
+    for(p = 2screw_block_holes(screw, short_insert))
         multmatrix(p)
             children();
 
-module 2screw_block(screw = def_screw, name = false) { //! Generate the STL for a printed 2screw block
+module 2screw_block(screw = def_screw, name = false, short_insert = false) { //! Generate the STL for a printed 2screw block
     r = 1;
-    cb_width = 2screw_block_width(screw);
-    cb_height = corner_block_width(screw);
+    cb_width = 2screw_block_width(screw, short_insert);
+    cb_height = corner_block_width(screw, short_insert);
     cb_depth = cb_height;
-    insert = screw_insert(screw);
+    insert = screw_insert(screw, short_insert);
     corner_rad = insert_outer_d(insert) / 2 + wall;
-    offset = corner_block_hole_offset(screw);
+    offset = corner_block_hole_offset(screw, short_insert);
 
-    stl(name ? name : str("2screw_block", "_M", screw_radius(screw) * 20))
+    stl(name ? name : str("2screw_block", "_M", screw_radius(screw) * 20, short_insert ? "_s" : ""))
         difference() {
             hull()  {
                 translate([-cb_width / 2 + r, r])
@@ -245,43 +285,44 @@ module 2screw_block(screw = def_screw, name = false) { //! Generate the STL for
                     rotate([-90, 0, 180])
                         rounded_cylinder(r = corner_rad, h = r, r2 = r);
             }
-            2screw_block_v_hole(screw)
+            2screw_block_v_hole(screw, short_insert)
                 insert_hole(insert, overshoot);
 
-            2screw_block_h_hole(screw)
+            2screw_block_h_hole(screw, short_insert)
                 insert_hole(insert, overshoot, true);
 
             children();
         }
 }
 
-module 2screw_block_assembly(screw = def_screw, name = false) //! The printed block with inserts
-assembly(name ? name : str("2screw_block_M", 20 * screw_radius(screw)), ngb = true) {
-    insert = screw_insert(screw);
+module 2screw_block_assembly(screw = def_screw, name = false, short_insert = false) //! The printed block with inserts
+assembly(name ? name : str("2screw_block_M", 20 * screw_radius(screw), short_insert ? "_s" :""), ngb = true) {
+    insert = screw_insert(screw, short_insert);
 
     stl_colour(name ? pp2_colour : pp1_colour)
-        render() 2screw_block(screw, name) children();
+        render() 2screw_block(screw, name, short_insert) children();
 
-    2screw_block_holes(screw)
+    2screw_block_holes(screw, short_insert)
         insert(insert);
 }
 
-module fastened_2screw_block_assembly(thickness, screw = def_screw, thickness_below = undef, name = false, show_block = true, star_washers = true) { //! Printed block with fasteners
+module fastened_2screw_block_assembly(thickness, screw = def_screw, thickness_below = undef, name = false, show_block = true, star_washers = true, short_insert = false) { //! Printed block with fasteners
     thickness2 = !is_undef(thickness_below) ? thickness_below : thickness;
-    function screw_len(t) = screw_length(screw, t + overshoot, star_washers ? 2 : 1, true);
+    insert = screw_insert(screw, short_insert);
+    function screw_len(t) = screw_length(screw, t + overshoot, star_washers ? 2 : 1, insert);
     screw_length = screw_len(thickness);
     screw_length2 = screw_len(thickness2);
 
     if(show_block)
-        2screw_block_assembly(screw, name) children();
+        2screw_block_assembly(screw, name, short_insert) children();
 
     if(thickness)
-        2screw_block_h_hole(screw)
+        2screw_block_h_hole(screw, short_insert)
             translate_z(thickness)
                 screw_and_washer(screw, screw_length, star_washers);
 
     if(thickness2)
-        2screw_block_v_hole(screw)
+        2screw_block_v_hole(screw, short_insert)
             translate_z(thickness2)
                 screw_and_washer(screw, screw_length2, star_washers);
 }
@@ -289,6 +330,11 @@ module 2screw_block_M20_stl() 2screw_block(M2_cap_screw);
 module 2screw_block_M25_stl() 2screw_block(M2p5_cap_screw);
 module 2screw_block_M30_stl() 2screw_block(M3_cap_screw);
 module 2screw_block_M40_stl() 2screw_block(M4_cap_screw);
+
+module 2screw_block_M20_s_stl() 2screw_block(M2_cap_screw, short_insert = true);
+module 2screw_block_M25_s_stl() 2screw_block(M2p5_cap_screw, short_insert = true);
+module 2screw_block_M30_s_stl() 2screw_block(M3_cap_screw, short_insert = true);
+module 2screw_block_M40_s_stl() 2screw_block(M4_cap_screw, short_insert = true);
 //
 //! 1. Lay the blocks out and place an M2 insert in the forward facing hole.
 //! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
@@ -297,6 +343,14 @@ module 2screw_block_M40_stl() 2screw_block(M4_cap_screw);
 //
 module 2screw_block_M20_assembly() 2screw_block_assembly(M2_cap_screw);
 
+//
+//! 1. Lay the blocks out and place an M2 insert in the forward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other flat side and repeat.
+//
+module 2screw_block_M20_s_assembly() 2screw_block_assembly(M2_cap_screw, short_insert = true);
+
 //
 //! 1. Lay the blocks out and place an M2.5 insert in the forward facing hole.
 //! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
@@ -305,6 +359,14 @@ module 2screw_block_M20_assembly() 2screw_block_assembly(M2_cap_screw);
 //
 module 2screw_block_M25_assembly() 2screw_block_assembly(M2p5_cap_screw);
 
+//
+//! 1. Lay the blocks out and place an M2.5 insert in the forward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other flat side and repeat.
+//
+module 2screw_block_M25_s_assembly() 2screw_block_assembly(M2p5_cap_screw, short_insert = true);
+
 //
 //! 1. Lay the blocks out and place an M3 insert in the forward facing hole.
 //! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
@@ -313,6 +375,14 @@ module 2screw_block_M25_assembly() 2screw_block_assembly(M2p5_cap_screw);
 //
 module 2screw_block_M30_assembly() 2screw_block_assembly(M3_cap_screw);
 
+//
+//! 1. Lay the blocks out and place an M3 insert in the forward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other flat side and repeat.
+//
+module 2screw_block_M30_s_assembly() 2screw_block_assembly(M3_cap_screw, short_insert = true);
+
 //
 //! 1. Lay the blocks out and place an M4 insert in the forward facing hole.
 //! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
@@ -320,3 +390,11 @@ module 2screw_block_M30_assembly() 2screw_block_assembly(M3_cap_screw);
 //! 1. Lay the blocks on each of their other flat side and repeat.
 //
 module 2screw_block_M40_assembly() 2screw_block_assembly(M4_cap_screw);
+
+//
+//! 1. Lay the blocks out and place an M4 insert in the forward facing hole.
+//! 1. Push them home with a soldering iron with a conical bit heated to 200&deg;C.
+//! When removing the iron it helps to twist it a little anti-clockwise to release it from the thread.
+//! 1. Lay the blocks on each of their other flat side and repeat.
+//
+module 2screw_block_M40_s_assembly() 2screw_block_assembly(M4_cap_screw, short_insert = true);

printed/flat_hinge.scad

@@ -111,15 +111,16 @@ module hinge_male(type, female = false) {       //! The half with the stationary
                                         rotate(180)
                                             teardrop(r = kr, h = 0);
 
-                                        translate([-kr - 1, -kr])
-                                            square(1);
+                                        translate([-kr - inset - eps, -kr])
+                                            square([eps, t]);
                                     }
                                     teardrop_plus(r = pr + (female ? gap : 0), h = 0);
                                 }
         }
 }
 
-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/knob.scad

@@ -20,7 +20,7 @@
 //
 //! Parametric knobs for potentiometers and encoders.
 //!
-//! A knob can be constructed by specififying all the parameters or the potentiometer can be specified to customise it for its shaft with a recess to clear the nut, washer and thread.
+//! A knob can be constructed by specifying all the parameters or the potentiometer can be specified to customise it for its shaft with a recess to clear the nut, washer and thread.
 //! An optional skirt and / or a pointer can be specified.
 //!
 //! The STL includes a support membrane that needs to be cut out and a thread needs to be tapped for the grub screw.

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);
+}

printed/printed_box.scad

@@ -32,8 +32,8 @@ use <../vitamins/washer.scad>
 use <../vitamins/insert.scad>
 use <foot.scad>
 
-function pbox(name, wall, top_t, base_t, radius, size, foot = false, screw = false, ridges = [0, 0]) //! Construct a printed box property list
-    = concat([name, wall, top_t, base_t, foot, screw, radius, ridges], size);
+function pbox(name, wall, top_t, base_t, radius, size, foot = false, screw = false, short_insert = false, ridges = [0, 0]) //! Construct a printed box property list
+    = concat([name, wall, top_t, base_t, foot, screw, short_insert, radius, ridges], size);
 
 function pbox_name(type)       = type[0]; //! Name to allow more than one box in a project
 function pbox_wall(type)       = type[1]; //! Wall thickness
@@ -41,11 +41,12 @@ function pbox_top(type)        = type[2]; //! Top thickness
 function pbox_base(type)       = type[3]; //! Base thickness, can be zero for no base
 function pbox_foot(type)       = type[4]; //! Printed foot, can be false to suppress feet
 function pbox_base_screw(type) = type[5]; //! Screw type if no feet
-function pbox_radius(type)     = type[6]; //! Internal corner radius
-function pbox_ridges(type)     = type[7]; //! Ridge wavelength and amplitude
-function pbox_width(type)      = type[8]; //! Internal width
-function pbox_depth(type)      = type[9]; //! Internal depth
-function pbox_height(type)     = type[10]; //! Internal height
+function pbox_short_insert(type)=type[6]; //! Use short inserts
+function pbox_radius(type)     = type[7]; //! Internal corner radius
+function pbox_ridges(type)     = type[8]; //! Ridge wavelength and amplitude
+function pbox_width(type)      = type[9]; //! Internal width
+function pbox_depth(type)      = type[10]; //! Internal depth
+function pbox_height(type)     = type[11]; //! Internal height
 
 base_outset = 1;    // How much the base overlaps the inner dimensions
 base_overlap = 2;   // The width of ledge the base sits on
@@ -63,12 +64,12 @@ function pbox_total_height(type) =  //! Total height including base overlap
 function pbox_screw(type) =         //! Foot screw if got feet else base_screw
     let(foot = pbox_foot(type)) foot ? foot_screw(foot) : pbox_base_screw(type);
 
-function pbox_insert(type) = screw_insert(pbox_screw(type)); //! The insert for the base screws
+function pbox_insert(type) = screw_insert(pbox_screw(type), short = pbox_short_insert(type)); //! The insert for the base screws
 function pbox_washer(type) = screw_washer(pbox_screw(type)); //! The washer for the base screws
 
 function pbox_screw_length(type, panel_thickness = 0) =  //! Length of the base screw
     let(foot = pbox_foot(type), screw = pbox_screw(type))
-        screw_length(screw, pbox_base(type) + (foot ? foot_thickness(foot) : panel_thickness), 1, true);
+        screw_length(screw, pbox_base(type) + (foot ? foot_thickness(foot) : panel_thickness), 1,  pbox_insert(type));
 
 function pbox_mid_offset(type) = pbox_ridges(type).y + pbox_wall(type) / 2; // Offset to wall midpoint
 

printed/ribbon_clamp.scad

@@ -20,7 +20,7 @@
 //
 //! Clamp for ribbon cable and polypropylene strip or one or more ribbon cables.
 //!
-//! * When `ways` is a scalar number the slot is sized for one rubbon cable and a PP strip.
+//! * When `ways` is a scalar number the slot is sized for one ribbon cable and a PP strip.
 //! * When `ways` is a two element vector the second element indicates the number of cables and the slot is size for just the cables.
 //
 include <../core.scad>

printed/screw_knob.scad

@@ -19,53 +19,102 @@
 
 //
 //! Knob with embedded hex head screw.
+//!
+//! Most aspects can be customised, e.g. the flange thickness and radius. It can also be solid or just a wall and be wavey edged or fluted.
 //
 include <../core.scad>
 use <../utils/hanging_hole.scad>
 
-knob_wall = 2;
+function screw_knob_screw(type)    = type[0]; //! The hex screw
+function screw_knob_wall(type)     = type[1]; //! Wall thickness
+function screw_knob_stem_h(type)   = type[2]; //! The stem height below the flange
+function screw_knob_flange_t(type) = type[3]; //! The thickness of the flange
+function screw_knob_flange_r(type) = type[4]; //! The flange outside radius
+function screw_knob_solid(type)    = type[5]; //! Is the flange solid or just a wall
+function screw_knob_waves(type)    = type[6]; //! Number of waves around the flange edge
+function screw_knob_wave_amp(type) = type[7]; //! Wave amplitude
+function screw_knob_fluted(type)   = type[8]; //! Fluted instead of sine wave
+
+function screw_knob(screw, wall = 2, stem_h = 6, flange_t = 4, flange_r = 9, solid = true, waves = 5, wave_amp = 2, fluted = false) = //! Constructor
+    [screw, wall, stem_h, flange_t, flange_r, solid, waves, wave_amp, fluted];
+
 function knob_nut_trap_depth(screw) = round_to_layer(screw_head_height(screw));
-knob_stem_h = 6;
-knob_thickness = 4;
-knob_r = 8;
-knob_wave = 1;
-knob_waves = 5;
-knob_height = knob_stem_h + knob_thickness;
-function knob_height() = knob_height;
+function knob_height(type) = //! Total height of the knob
+    let(type = !is_list(type[0]) ? screw_knob(type) : type)
+        screw_knob_stem_h(type) + screw_knob_flange_t(type);
 
-module screw_knob(screw) { //! Generate the STL for a knob to fit the specified hex screw
-    knob_stem_r = nut_trap_radius(screw_nut(screw)) + knob_wall;
+module screw_knob(type) { //! Generate the STL for a knob to fit the specified hex screw
+    type = !is_list(type[0]) ? screw_knob(type) : type;         // Allow just the screw to be specified for backwards compatibility
+    screw = screw_knob_screw(type);
+    wall = screw_knob_wall(type);
+    trap_r = nut_trap_radius(screw_nut(screw));
+    stem_r = trap_r + wall;
+    amp = screw_knob_wave_amp(type);
+    flange_r = max(screw_knob_flange_r(type), stem_r + amp);
+    flange_t = screw_knob_flange_t(type);
+    knob_h = knob_height(type);
+    waves = screw_knob_waves(type);
 
-    function wave(a) = knob_r + sin(a * knob_waves) * knob_wave;
+    function wave(a) = flange_r - amp / 2 + sin(a * waves) * amp / 2;
+    fn = r2sides(flange_r);
+    points = [for(i = [0 : fn - 1], a = i * 360 / fn) wave(a) * [sin(a), cos(a)]];
+    solid = screw_knob_solid(type);
+
+    module shape()
+        if(screw_knob_fluted(type))
+            difference() {
+                circle4n(flange_r);
+
+                c = flange_r * sin(90 / waves);            // Flute half chord
+                d = flange_r - flange_r * cos(90 / waves); // Distance from chord to perimeter
+                b = amp - d;                               // Distance from chord to flute bottom
+                flute_r = (b^2 + c^2) / b / 2;
+                for(i = [0 : waves - 1])
+                    rotate(360 * i / waves)
+                        translate([0, flange_r - amp + flute_r])
+                            circle4n(flute_r);
+            }
+        else
+            polygon(points);
 
     stl(str("screw_knob_M", screw_radius(screw) * 20))
         union() {
             render() difference() {
-                cylinder(r = knob_stem_r, h = knob_thickness + knob_stem_h);
+                cylinder(r = stem_r, h = knob_h);
 
                 hanging_hole(knob_nut_trap_depth(screw), screw_clearance_radius(screw))
                     rotate(45)
-                        circle(r = nut_trap_radius(screw_nut(screw)), $fn = 6);
+                        circle(r = trap_r, $fn = 6);
             }
-            linear_extrude(knob_thickness, convexity = 3)
-                difference() {
-                    polygon(points = [for(a = [0 : 359]) [wave(a) * sin(a), wave(a) * cos(a)]]);
+            for(i = [0 : 1])
+                linear_extrude(i ? flange_t : round_to_layer(wall), convexity = 3)
+                    difference() {
+                        shape();
 
-                    circle(knob_stem_r - eps);
-                }
+                        if(i && ! solid)
+                            offset(-wall)
+                                shape();
+
+                        circle(stem_r - eps);
+                    }
         }
 }
 
 //! Place the screw through the printed part
-module screw_knob_assembly(screw, length) //! Assembly with the screw in place
-assembly(str("screw_knob_M", 20 * screw_radius(screw), "_", length), ngb = true) {
-    translate_z(knob_height)
-        vflip()
-            stl_colour(pp1_colour) screw_knob(screw);
+module screw_knob_assembly(type, length) { //! Assembly with the screw in place
+    type = !is_list(type[0]) ? screw_knob(type) : type;
+    screw = screw_knob_screw(type);
+    knob_h = knob_height(type);
 
-    translate_z(knob_height - knob_nut_trap_depth(screw))
-        rotate(-45)
-            screw(screw, length);
+    assembly(str("screw_knob_M", 20 * screw_radius(screw), "_", length), ngb = true) {
+        translate_z(knob_h)
+            vflip()
+                stl_colour(pp1_colour) screw_knob(type);
+
+        translate_z(knob_h - knob_nut_trap_depth(screw))
+            rotate(-45)
+                screw(screw, length);
+    }
 }
 
 module screw_knob_M30_stl() screw_knob(M3_hex_screw);

scripts/changelog.py

@@ -157,11 +157,11 @@ if __name__ == '__main__':
                         break
                     j += 1
 
-                # Print verson info
+                # Print version info
                 print('%s [%s](%s "show release") %s %s' % ('#' * (level + 1), ver, url + '/releases/tag/' + ver, type, diff), file = file)
 
             # 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 chang.*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/render.py

@@ -26,7 +26,7 @@ from set_config import *
 from exports import bom_to_parts
 import os
 import openscad
-from tests import do_cmd, update_image, colour_scheme, background
+from tests import do_cmd, update_image, colour_scheme, background, image_size
 from deps import mtime
 from colorama import init
 import json
@@ -95,7 +95,7 @@ def render(target, type):
             render = "--preview" if type == 'stl' or colour != pp1 else "--render"
             tmp_name = tmp_dir + '/' + part[:-4] + '.png'
             dummy_deps_name = tmp_dir + '/tmp.deps' # work around for OpenSCAD issue #3879
-            openscad.run("-o", tmp_name, png_maker_name, colour_scheme, "--projection=p", "--imgsize=4096,4096", cam, render, "--autocenter", "--viewall", "-d", dummy_deps_name)
+            openscad.run("-o", tmp_name, png_maker_name, colour_scheme, "--projection=p", image_size, cam, render, "--autocenter", "--viewall", "-d", dummy_deps_name)
             do_cmd(("magick "+ tmp_name + " -trim -resize 280x280 -background %s -gravity Center -extent 280x280 -bordercolor %s -border 10 %s"
                     % (background, background, tmp_name)).split())
             update_image(tmp_name, png_name)

scripts/set_config.py

@@ -57,13 +57,13 @@ def set_config(target, usage = None):
         sys.exit(1)
 
     if not targets:
-        print("Not a muli-configuration project (no config_<target>.scad files found)")
+        print("Not a multi-configuration project (no config_<target>.scad files found)")
         if usage:
             usage()
         sys.exit(1)
 
     if not target in targets:
-        print(target + " is not a configuration, avaliable configurations are: " + valid_targets_string())
+        print(target + " is not a configuration, available configurations are: " + valid_targets_string())
         if usage:
             usage()
         sys.exit(1)

scripts/tests.py

@@ -36,8 +36,7 @@ from blurb import *
 from colorama import Fore
 from tmpdir import *
 
-w = 4096
-h = w
+image_size = "--imgsize=4096,4096"
 threshold = 20  # Image comparison allowed number of different pixels
 fuzz = 5       # Image comparison allowed percentage error in pixel value
 
@@ -48,7 +47,12 @@ def do_cmd(cmd, output = sys.stdout):
     for arg in cmd:
         print(arg, end = " ")
     print()
-    return subprocess.call(cmd, stdout = output, stderr = output)
+    t = time.time()
+    rv = subprocess.call(cmd, stdout = output, stderr = output)
+    elapsed = time.time() - t
+    with open("cmd_times.txt", 'at') as f:
+        print(cmd[0], cmd[-1], elapsed, file = f)
+    return rv
 
 def compare_images(a, b, c):
     if not os.path.isfile(b):
@@ -119,7 +123,7 @@ def tests(tests):
         libtest = True
         lib_blurb = scrape_blurb(scad_name)
         if not os.path.isfile(png_name):
-            openscad.run(scad_name, "-o", png_name, colour_scheme, "--projection=p", "--imgsize=%d,%d" % (w, h), "--camera=0,0,0,50,0,340,500", "--autocenter", "--viewall");
+            openscad.run(scad_name, "-o", png_name, colour_scheme, "--projection=p", image_size, "--camera=0,0,0,50,0,340,500", "--autocenter", "--viewall");
             do_cmd(["magick", png_name, "-trim", "-resize", "1280", "-bordercolor", background, "-border", "10", png_name])
     else:
         #
@@ -240,7 +244,7 @@ def tests(tests):
                 print(changed)
                 t = time.time()
                 tmp_name = tmp_dir + '/tmp.png'
-                openscad.run_list([scad_name, "-o", tmp_name] + options.list() + ["-D$bom=2", colour_scheme, "--projection=p", "--imgsize=%d,%d" % (w, h), "--camera=0,0,0,70,0,315,500", "--autocenter", "--viewall", "-d", dname]);
+                openscad.run_list([scad_name, "-o", tmp_name] + options.list() + ["-D$bom=2", colour_scheme, "--projection=p", image_size, "--camera=0,0,0,70,0,315,500", "--autocenter", "--viewall", "-d", dname]);
                 times.add_time(scad_name, t)
                 do_cmd(["magick", tmp_name, "-trim", "-resize", "1000x600", "-bordercolor", background, "-border", "10", tmp_name])
                 update_image(tmp_name, png_name)

scripts/views.py

@@ -25,7 +25,7 @@
 from __future__ import print_function
 from set_config import *
 import openscad
-from tests import do_cmd, update_image, colour_scheme, background
+from tests import do_cmd, update_image, colour_scheme, background, image_size
 import time
 import times
 import options
@@ -223,7 +223,7 @@ def views(target, do_assemblies = None):
                                                 target_def = ['-D$target="%s"' % target] if target else []
                                                 cwd_def = ['-D$cwd="%s"' % os.getcwd().replace('\\', '/')]
                                                 view_def = ['--viewall', '--autocenter'] if not (zoomed & (1 << explode)) else ['--camera=0,0,0,55,0,25,140']
-                                                openscad.run_list(["-o", tmp_name, png_maker_name] + options.list() + target_def + cwd_def + view_def + ["-D$pose=1", "-D$explode=%d" % explode, colour_scheme, "--projection=p", "--imgsize=4096,4096", "-d", dname]);
+                                                openscad.run_list(["-o", tmp_name, png_maker_name] + options.list() + target_def + cwd_def + view_def + ["-D$pose=1", "-D$explode=%d" % explode, colour_scheme, "--projection=p", image_size, "-d", dname]);
                                                 times.add_time(png_name, t)
                                                 do_cmd(["magick", tmp_name, "-trim", "-resize", "1004x1004", "-bordercolor", background, "-border", "10", tmp_name])
                                                 update_image(tmp_name, png_name)
@@ -422,7 +422,7 @@ def views(target, do_assemblies = None):
     times.add_time(html_name, t)
     times.print_times(pngs + [html_name])
     #
-    # Make the printme.html by replacing empty spans that invisbly mark the page breaks by page break divs.
+    # Make the printme.html by replacing empty spans that invisibly mark the page breaks by page break divs.
     #
     with open(html_name, 'rt') as src:
         lines = src.readlines()

tests/BOM.scad

@@ -32,7 +32,7 @@ height = 10;
 insert = screw_insert(screw);
 
 module widget(thickness) {
-    vitamin(str("widget(", thickness, "): Rivit like thing for ", thickness, "mm sheets"));
+    vitamin(str("widget(", thickness, "): Rivet like thing for ", thickness, "mm sheets"));
     t = 1;
     color("silver") {
         cylinder(d = 3, h = thickness + 2 * eps, center = true);
@@ -85,7 +85,7 @@ assembly("widget_top") {
 module widget_assembly()
 assembly("widget") {
 
-    widget_base_assembly();                 // Note this is not exloded because it is sub-assembly
+    widget_base_assembly();                 // Note this is not exploded because it is sub-assembly
 
     translate_z(height) {
         translate_z(sheet_thickness(sheet))

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>
@@ -61,58 +62,73 @@ test_pcb = ["test_pcb", "Test PCB",
     [
         [ 20, -5,  180, "trimpot10"],
         [ 20, -15,  90, "trimpot10", true],
+        [  7,  2,   90, "smd_led", LED1206, "blue"],
         [ 10,  2,   90, "smd_led", LED0805, "red"],
         [ 13,  2,   90, "smd_led", LED0603, "orange"],
         [ 16,  2,   90, "smd_res", RES1206, "1K"],
         [ 19,  2,   90, "smd_res", RES0805, "1K"],
         [ 22,  2,   90, "smd_res", RES0603, "1K"],
-        [ 25,  2,   90, "smd_cap", CAP1206, 1.5],
-        [ 28,  2,   90, "smd_cap", CAP0805, 1.0],
-        [ 31,  2,   90, "smd_cap", CAP0603, 0.7],
+        [ 25,  2,   90, "smd_cap", CAP1206, 1.5, "1uF"],
+        [ 28,  2,   90, "smd_cap", CAP0805, 1.0, "100nF"],
+        [ 31,  2,   90, "smd_cap", CAP0603, 0.7, "10nF"],
+        [ 34,  3,   90, "smd_diode",DO241AC, "SS34"],
+        [ 21,  6,  -90, "smd_pot", TC33X1, "10K"],
         [ 16,  6,  -90, "smd_sot", SOT23, "2N7000"],
-        [ 28,  20, -90, "smd_sot", SOT223, "LM117"],
+        [ 28,  8,  -90, "smd_sot", SOT223, "LM117"],
 
-        [ 10,  10,   0, "2p54header", 4, 1],
-        [ 25,  10,   0, "2p54header", 5, 1, false, "blue" ],
-        [ 10,  20,   0, "2p54boxhdr", 4, 2],
-        [ 10,  30,   0, "2p54socket", 6, 1],
-        [ 25,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
-        [ 65,  50,   0, "led", LED3mm, "red"],
-        [ 75,  50,   0, "led", LED5mm, "orange"],
-        [ 90,  50,   0, "led", LED10mm, "yellow"],
-        [ 10,  45, 180, "rj45"],
+        [ 45,  35,   0, "2p54header", 4, 1],
+        [ 60,  35,   0, "2p54header", 5, 1, false, "blue" ],
+        [ 80,  33,   0, "2p54boxhdr", 4, 2],
+        [ 45,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
+        [ 60,  30,   0, "2p54socket", 6, 1],
+
+        [ 59,  50, 180, "led", LED3mm, "red"],
+        [ 66,  50, 180, "led", LED5mm, "orange"],
+        [ 77,  50, 180, "led", LED8mm, "blue"],
+        [ 90,  50, 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"],
         [ 8.5,125, 180, "molex_usb_Ax2"],
-        [  3, 140, 180, "usb_uA"],
-        [  8, 155, 180, "usb_B"],
+        [  3, 138, 180, "usb_uA"],
+        [ 4.6,148, 180, "usb_miniA"],
+        [ 3.7,158, 180, "usb_C"],
+        [  8, 170, 180, "usb_B"],
+        [  6, 184, 180, "uSD", [12, 11.5, 1.4]],
+        [  8, 196, 180, "jack"],
+        [  6, 206, 180, "barrel_jack"],
+        [  5, 220, 180, "hdmi"],
+        [  3, 235, 180, "mini_hdmi"],
+        [ 38, 190, -90, "text", 25, 4, "Silkscreen", "Liberation Sans:style=Bold"],
         [ 25, 200,   0, "buzzer", 4.5, 8.5],
         [ 25, 218,   0, "buzzer"],
-        [ 38, 190, -90, "text", 25, 4, "Silkscreen", "Liberation Sans:style=Bold"],
-        [  8, 190, 180, "jack"],
-        [  6, 200, 180, "barrel_jack"],
-        [  5, 218, 180, "hdmi"],
-        [  3, 235, 180, "mini_hdmi"],
-        [  6, 175, 180, "uSD", [12, 11.5, 1.4]],
 
-        [ 65,   9,   0, "link", inch(0.4)],
-        [ 65,  12,   0, "ax_res", res1_8, 1000],
-        [ 65,  17,   0, "ax_res", res1_4, 10000],
-        [ 65,  22,   0, "ax_res", res1_2, 100000],
-        [ 55,  22,   0, "vero_pin"],
-        [ 55,  17,   0, "vero_pin", true],
-        [ 55,   9,   0, "link", 0, 5],
+        [ 45,   5,   0, "link", inch(0.4), 0.75, undef, undef, [1.5, "red"]], // Sleeved link
+        [ 45,   9,   0, "link", inch(0.4)], // Flat link
+        [ 45,  12,   0, "ax_res", res1_8, 1000],
+        [ 45,  17,   0, "ax_res", res1_4, 10000],
+        [ 45,  22,   0, "ax_res", res1_2, 100000],
+        [ 35,  22,   0, "vero_pin"],
+        [ 35,  17,   0, "vero_pin", true],
+        [ 35,   9,   0, "link", 0, 5], // Vertical wire
 
-        [ 80,   9,   0, "link", inch(0.2), inch(0.4)],
-        [ 80,  12,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
-        [ 80,  17,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
-        [ 80,  22,   0, "ax_res", res1_2, 10,     10, inch(0.2)],
+        [ 60,   9,   0, "link", inch(0.2), inch(0.4)], // Raised link
+        [ 60,  12,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
+        [ 60,  17,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
+        [ 60,  22,   0, "ax_res", res1_2, 10,     10, inch(0.2)],
 
-        [ 60,   3,   0, "flex"],
-        [ 50,  15, -90, "flat_flex"],
-        [ 40,  15, -90, "flat_flex", true],
-        [ 60,  35,   0, "D_plug", DCONN9],
+        [ 33,  110, -90, "rd_xtal", HC49,    "4MHz" ],
+        [ 28,  110, -90, "rd_xtal", HC49_4H, "10MHz" ],
+        [ 28,  103, -90, "rd_xtal", C_002RX, "60KHz", 2 ],
+
+        [ 30,  130,-90, "rd_xtal", ACT1100, "40MHz", 0.5 ],
+        [ 30,  150,-90, "rd_xtal", ACT1700, "80MHz", 0.5 ],
+
+        [ 77,  15, -90, "flex"],
+        [ 95,  15, -90, "flat_flex"],
+        [ 87,  15, -90, "flat_flex", true],
 
         [ 50,  50,   0, "molex_hdr", 2],
         [ 50,  60,   0, "jst_xh", 2],
@@ -137,8 +153,14 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 55, 170,   0, "button_4p5mm"],
         [ 50, 185,   0, "microswitch", small_microswitch],
         [ 52, 200,   0, "pcb", 11, TMC2130 ],
-        [ 80, 200,   0, "pdip", 24, "27C32", true, inch(0.6) ],
-        [ 80, 170,   0, "pdip", 8, "NE555" ],
+        [ 80, 210,   0, "pdip", 24, "27C32", true, inch(0.6) ],
+        [ 80, 180,   0, "pdip", 8, "NE555" ],
+        [ 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)],
 
         [ 52, 206,   0, "2p54socket", 8, 1 ],
@@ -146,7 +168,8 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 50, 220,   0, "standoff",  5, 4.5, 12.5, 2.54],
         [ 50, 240,   0, "potentiometer"],
         [ 75, 240,   0, "potentiometer", KY_040_encoder, 8],
-        [ 30,  85,   -90, "7seg", WT5011BSR, 2],
+        [ 30,  85, -90, "7seg", WT5011BSR, 2],
+        [ 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/SMDs.scad

@@ -34,10 +34,30 @@ 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(d = smd_diodes) smd_diode_size(d).x], 1)
+            let(d = smd_diodes[$i])
+                smd_diode(d, ["SS34"][$i]);
+
+    translate([0, 15])
         layout([for(s = smd_sots) smd_sot_size(s).x], 1)
             let(s = smd_sots[$i])
                 smd_sot(s, ["2N7000", "FZT851"][$i]);
+
+    translate([0, 21])
+        layout([for(p = smd_pots) smd_pot_size(p).x], 1)
+            let(p = smd_pots[$i])
+                smd_pot(p, "10K");
+
+    translate([0, 28])
+        layout([for(s = smd_soics) smd_soic_size(s).x], 1)
+            let(s = smd_soics[$i])
+                smd_soic(s, s[0]);
+
+    translate([0, 36])
+        layout([for(i = smd_inductors) smd_inductor_size(i).x], 1)
+            let(i = smd_inductors[$i])
+                smd_inductor(i, "4R7");
 }
 
 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/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[$i]) / 2])
-            vflip()
-                display(displays[$i]);
+        let(d = displays[$i], offset = display_pcb_offset(d))
+            translate([-offset.x, pcb_width(display_pcb(d)) / 2 - offset.y])
+                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/inserts.scad

@@ -24,9 +24,15 @@ include <../vitamins/inserts.scad>
 module inserts() {
 
     for(i = [0: len(inserts) -1])
-        translate([10 * i, 0])
+        translate([10 * i, 5])
             insert(inserts[i]);
 
+    for(i = [0: len(short_inserts) -1])
+        translate([10 * i, -5])
+            insert(short_inserts[i]);
+
+
+
     stl_colour(pp1_colour)
         translate([len(inserts) * 10, 0]) {
             insert_lug(inserts[0], 2, 1);

tests/leadnuts.scad

@@ -25,6 +25,26 @@ module leadnuts()
     layout([for(n = leadnuts) leadnut_flange_dia(n)], 5)
         leadnut(leadnuts[$i]);
 
+module leadnuthousings()
+    layout([for(n = leadnuthousings) leadnuthousing_width(n)], 5) {
+        rotate([0,0,270]) {
+            leadnuthousing(leadnuthousings[$i]);
+            explode(15)
+                leadnuthousing_nut_position(leadnuthousings[$i])
+                    leadnut(leadnuthousing_nut(leadnuthousings[$i]));
+            explode(17 + leadnuthousing_nut_screw_length(leadnuthousings[$i]))
+                translate_z(leadnuthousing_height(leadnuthousings[$i])/2)
+                    leadnuthousing_nut_screw_positions(leadnuthousings[$i])
+                        screw(leadnut_screw(
+                            leadnuthousing_nut(leadnuthousings[$i])),
+                            leadnuthousing_nut_screw_length(leadnuthousings[$i])
+                        );
+        }
+    }
+
 if($preview)
-    let($show_threads = true)
+    let($show_threads = true) {
         leadnuts();
+        translate([0,50,0])
+            leadnuthousings();
+    }

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/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/screw_knob.scad

@@ -17,20 +17,26 @@
 // If not, see <https://www.gnu.org/licenses/>.
 //
 include <../core.scad>
+use <../utils/layout.scad>
 
 use <../printed/screw_knob.scad>
 
-screws = [M3_hex_screw, M4_hex_screw];
+knobs = [
+    M3_hex_screw,
+    M4_hex_screw,
+    screw_knob(M5_hex_screw, flange_r = 12, flange_t = 6, stem_h = 2, waves = 6),
+    screw_knob(M6_hex_screw, flange_r = 15, flange_t = 6, solid = false, stem_h = 2, waves = 6, wall = 1.6, fluted = true),
+];
 
-module do_screw_knob(screw)
+module do_screw_knob(knob) {
     if($preview)
-        screw_knob_assembly(screw, 16);
+        screw_knob_assembly(knob, 16);
     else
-        screw_knob(screw);
+        screw_knob(knob);
+}
 
 module screw_knobs()
-    for(i = [0 : len(screws) - 1])
-        translate([i * 30, 0])
-            do_screw_knob(screws[i]);
+    layout([for(k = knobs) 2 * screw_knob_flange_r(k)], 10)
+        do_screw_knob(knobs[$i]);
 
 screw_knobs();

tests/stepper_motors.scad

@@ -16,18 +16,28 @@
 // You should have received a copy of the GNU General Public License along with NopSCADlib.
 // If not, see <https://www.gnu.org/licenses/>.
 //
+show_connection_pos = false;
+
+/* [Hidden] */
 include <../core.scad>
 include <../vitamins/stepper_motors.scad>
 
 use <../utils/layout.scad>
 
+has_connector = [NEMA17_27, NEMA17_40, NEMA17_40L280, NEMA8_30, NEMA8_30BH];
+
 module stepper_motors()
     layout([for(s = stepper_motors) NEMA_width(s)], 5, no_offset = false) let(m = stepper_motors[$i]) {
-        rotate(180)
-            NEMA(m, 0, in([NEMA17_27, NEMA17_40, NEMA17_40L280, NEMA8_30, NEMA8_30BH], m));
+        rotate(180) {
+            NEMA(m, 0, in(has_connector, m) ? true : show_connection_pos ? undef : false);
 
-        translate_z(4)
-            NEMA_screws(m, M3_pan_screw, n = $i - 2, earth = $i > 6 ? undef : $i - 3);
+            if(show_connection_pos)
+                translate(NEMA_connection_pos(m, in(has_connector, m)))
+                    sphere();
+
+            translate_z(4)
+                NEMA_screws(m, M3_pan_screw, n = $i - 2, earth = $i > 6 ? undef : $i - 3);
+        }
     }
 
 if($preview)

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)

tests/wire.scad

@@ -17,18 +17,25 @@
 // If not, see <https://www.gnu.org/licenses/>.
 //
 include <../utils/core/core.scad>
+use <../utils/sweep.scad>
+use <../utils/bezier.scad>
 
 use <../vitamins/wire.scad>
 
-bundle = [7, 1.4];
+twist_len = 25; // [5 : 50]
+wires = 7; // [1 : 7]
+irot = -60; // [-90 : 0]
 
+/* [Hidden] */
+wire_d = 1.4;
+bundle = cable(wires, wire_d);
 bundle_r = cable_radius(bundle);
 
 thickness = 2;
 w = 60;
 d = 20;
-h = 40;
-wire_l = 90;
+h = 10;
+wire_l = 60;
 mouse_y = 10;
 cable_pitch = 7;
 
@@ -49,6 +56,7 @@ module wires() {
                     translate([bundle_r - d / 2, 0]) {
                         colour = ["black", "brown", "red", "orange", "yellow", "blue", "purple"][i];
                         wire(colour, 7, wire_l);
+
                         color(colour)
                             cylinder(d = d, h = wire_l, center = true);
                    }
@@ -66,7 +74,7 @@ module wires() {
                         mouse_hole(bundle, 0, true);
 
                     for(i = [1 : 6])
-                        let(cable = [i, 1.4], bundle = cable_bundle(cable))
+                        let(cable = cable(i, wire_d), bundle = cable_bundle(cable))
                             translate([mouse_y + cable_pitch * i - bundle.x / 2, -eps])
                                 square([bundle.x, bundle.y]);
                 }
@@ -81,18 +89,28 @@ module wires() {
                         cable_tie_holes(bundle_r, 0);
                 }
     }
+
     translate([-15, mouse_y])
         cable_tie(bundle_r, thickness);
 
-    for(i = [1 : 6]) let(cable = [i, 1.4])
-        translate([0, mouse_y + cable_pitch * i])
-            let(positions = cable_bundle_positions(cable))
-                for(i = [0 : len(positions) - 1])
-                    let(p = positions[i])
-                        translate([0, p.x, p.y])
-                            rotate([0, 90, 0])
-                                color([grey(10), "blue", "red", "orange", "yellow", "green"][i])
-                                    cylinder(d = cable_wire_size(cable), h = 60, center = true);
+    for(i = [1 : 6]) let(cable = cable(i, wire_d, [grey(10), "blue", "red", "orange", "yellow", "green"], tlen = twist_len))
+        translate([0, mouse_y + cable_pitch * i]) {
+            tr = cable_twisted_radius(cable);
+            bend_r = 5;
+            x = -d + thickness - bend_r;
+            path = [
+                        [-5, 0, tr],
+                        [x,  0, tr],
+                bend_r, [x,  0, -25]
+            ];
+            rpath = rounded_path(path);
+            tpaths = twisted_cable(cable, rpath, irot = irot, frot = -irot);
+            positions = cable_bundle_positions(cable);
+
+            ends = [for(p = positions) [[30, p.x, p.y], [0, p.x, p.y]]];
+            paths = [for(i = [0 : len(tpaths) - 1]) bezier_join(ends[i], tpaths[i], 1.3, 3)];
+            cable(cable, paths, $fn = 32);
+        }
 }
 
 if($preview)

tests/zipties.scad

@@ -16,14 +16,23 @@
 // You should have received a copy of the GNU General Public License along with NopSCADlib.
 // If not, see <https://www.gnu.org/licenses/>.
 //
+wire_r = 5; // [1 : 20]
+t = 0; // [0 : 3]
+
 include <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 include <../vitamins/zipties.scad>
 
 module zipties()
-    layout([for(z = zipties) 9], 10)
-        ziptie(zipties[$i], 5);
+    layout([for(z = zipties) 9], 2 * wire_r) {
+        ziptie(zipties[$i], wire_r, t);
+
+        if(t)
+            color(grey(20))
+                cylinder(r = wire_r, h = 10, center = true);
+
+    }
 
 if($preview)
     zipties();

utils/core/bom.scad

@@ -49,17 +49,18 @@ function show_supports() = !$preview || exploded();                 //! True if
 module no_explode()                                                 //! Prevent children being exploded
     let($exploded_parent = true) children();
 
-module explode(d, explode_children = false, offset = [0,0,0]) {     //! Explode children by specified Z distance or vector `d`, option to explode grand children
+module explode(d, explode_children = false, offset = [0,0,0], show_line = true) {     //! Explode children by specified Z distance or vector `d`, option to explode grand children
     v = is_list(d) ? d : [0, 0, d];
     o = is_list(offset) ? offset : [0, 0, offset];
     if(exploded() && norm(v)) {
-        translate(o)                                                // Draw the line first in case the child is transparent
-            color("yellow") hull() {
-                sphere(0.2);
-
-                translate(v * exploded())
+        if(show_line)
+            translate(o)                                                // Draw the line first in case the child is transparent
+                color("yellow") hull() {
                     sphere(0.2);
-            }
+
+                    translate(v * exploded())
+                        sphere(0.2);
+                }
 
         translate(v * exploded())
             let($exploded_parent = explode_children ? undef : true)

utils/core/clip.scad

@@ -41,8 +41,8 @@ module box(xmin, ymin, zmin, xmax, ymax, zmax) //! Construct a box given its bou
          [0,2,3,1]]  // left
     );
 
-module clip(xmin = -inf, ymin = -inf, zmin = -inf, xmax = inf, ymax = inf, zmax = inf) //! Clip child to specified boundaries
-    render() intersection() {
+module clip(xmin = -inf, ymin = -inf, zmin = -inf, xmax = inf, ymax = inf, zmax = inf, convexity = 1) //! Clip child to specified boundaries
+    render(convexity = convexity) intersection() {
         children();
 
         box(xmin, ymin, zmin, xmax, ymax, zmax);

utils/core/global.scad

@@ -19,6 +19,7 @@
 
 //
 //! Global constants, functions and modules. This file is used directly or indirectly in every scad file.
+//! See [global_defs.scad](../../global_defs.scad) for a list of global constants.
 //
 include <../../global_defs.scad>
 
@@ -38,6 +39,13 @@ function r2sides(r) = $fn ? $fn : ceil(max(min(360/ $fa, r * 2 * PI / $fs), 5));
 function r2sides4n(r) = floor((r2sides(r) + 3) / 4) * 4;                            //! Round up the number of sides to a multiple of 4 to ensure points land on all axes
 function limit(x, min, max) = max(min(x, max), min);                                //! Force x in range min <= x <= max
 
+function round_to_layer(z) =  //! Round up to a layer boundary using `layer_height0` for the first layer and `layer_height` for subsequent layers.
+    z <= 0 ? 0 :
+    z <= layer_height0 ? layer_height0 :
+    ceil((z -layer_height0) / layer_height) * layer_height + layer_height0;
+
+function grey(n) = [0.01, 0.01, 0.01] * n;                                          //! Generate a shade of grey to pass to color().
+
 module translate_z(z)                                                               //! Shortcut for Z only translations
     translate([0, 0, z]) children();
 
@@ -68,7 +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/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);
+    }
+}

utils/rounded_polygon.scad

@@ -33,7 +33,7 @@ function circle_tangent(p1, p2) = //! Compute the clockwise tangent between two
         dx = p2.x - p1.x,
         dy = p2.y - p1.y,
         d = sqrt(dx * dx + dy * dy),
-        theta = atan2(dy, dx) + acos((r1 - r2) / d),
+        theta = assert(d, str("points conicident ", p1)) atan2(dy, dx) + acos((r1 - r2) / d),
         v = [cos(theta), sin(theta)]
     )[ p1 + r1 * v, p2 + r2 * v ];
 
@@ -72,24 +72,52 @@ function rounded_polygon_length(points, tangents) = //! Calculate the length giv
         arcs = rounded_polygon_arcs(points, tangents)
     ) sumv( map( concat(tangents, arcs), function(e) e[2] ) );
 
+function line_intersection(l0, l1) = //! Return the point where two 2D lines intersect or undef if they don't.
+    assert(Len(l0) == 2 && Len(l1) == 2, "Two 2D vectors expected")
+    let(
+        p0 = l0[0], p1 = l0[1], p2 = l1[0], p3 = l1[1],
+        v1 = p1 - p0,
+        v2 = p3 - p2,
+        v3 = p0 - p2,
+        det = v1.x * v2.y - v2.x * v1.y,
+        s = det ? (-v1.y * v3.x + v1.x * v3.y) / det : inf,
+        t = det ? ( v2.x * v3.y - v2.y * v3.x) / det : inf
+    ) s >= 0 && s <= 1 && t >= 0 && t <= 1 ? p0 + t * v1 : undef;
+
 function rounded_polygon(points, _tangents = undef) = //! Return the rounded polygon from the point list, can pass the tangent list to save it being calculated
     let(
         len = len(points),
         tangents = _tangents ? _tangents : rounded_polygon_tangents(points),
         arcs = rounded_polygon_arcs(points, tangents)
-    ) [for(i = [0 : len - 1], last = (i - 1 + len) % len, R = points[i][2]) each [
-        vec2(tangents[last][1]),                        // End of last tangent
-        if(R)                                               // If rounded
-            let(r = abs(R),                                     // Get radius
-                n = r2sides4n(r),                               // Decide number of vertices
-                step = 360 / n,                                 // Angular step
-                arc = arcs[i],                                  // Get corner arc details
-                start = ceil(arc[1] / step + eps),              // Starting index
-                end = floor((arc[0] + arc[1]) / step - eps),    // Ending index
-                c = vec2(points[i])                             // Centre of arc
-            ) for(j = R > 0 ? [end : -1 : start] : [start : 1 : end], a = j * step) c + r * [cos(a), sin(a)], // Points on the arc
-        vec2(tangents[i][0])]                           // Start of next tangent
+    ) [for(i = [0 : len - 1], last = (i - 1 + len) % len)
+        let(
+            t0 = vec2(tangents[last]),
+            t1 = vec2(tangents[i]),
+            p = line_intersection(t0, t1),                              // Do the tangents cross?
+            R = points[i][2]
+        )
+        if(!is_undef(p))                                                // Tangents intersect, so just add the intersection point
+            p
+        else
+            each [                                                      // Else link the two tangent ends with an arc
+                t0[1],                                                  // End of last tangent
+                if(R)                                                   // If rounded
+                    let(r = abs(R),                                     // Get radius
+                        n = r2sides4n(r),                               // Decide number of vertices
+                        step = 360 / n,                                 // Angular step
+                        arc = arcs[i],                                  // Get corner arc details
+                        start = ceil(arc[1] / step + eps),              // Starting index
+                        end = floor((arc[0] + arc[1]) / step - eps),    // Ending index
+                        c = vec2(points[i])                             // Centre of arc
+                    ) for(j = R > 0 ? [end : -1 : start] : [start : 1 : end], a = j * step)
+                        c + r * [cos(a), sin(a)],                       // Points on the arc
+                if(R)
+                    t1[0],                                              // Start of next tangent
+            ]
        ];
 
+function offset(points, offset) =                                       //! Offset a 2D polygon, breaks for concave shapes and negative offsets if the offset is more than half the smallest feature size.
+    rounded_polygon([for(p = points) [p.x, p.y, offset]]);
+
 module rounded_polygon(points, _tangents = undef) //! Draw the rounded polygon from the point list, can pass the tangent list to save it being calculated
     polygon(rounded_polygon(points, _tangents), convexity = len(points));

utils/sweep.scad

@@ -127,8 +127,8 @@ function sweep_transforms(path, loop = false, twist = 0) =
                          i = i + 1,
                          rot = i < len ? rotate_from_to(tangents[i - 1], tangents[i]) * rot : undef) rot],
 
-        missmatch = loop ? calculate_twist(rotations[0], rotations[last]) : 0,
-        rotation = missmatch + twist
+        mismatch = loop ? calculate_twist(rotations[0], rotations[last]) : 0,
+        rotation = mismatch + twist
     )
     [for(i = [0 : last])
         let(za = rotation * lengths[i] / length)
@@ -239,10 +239,9 @@ function segmented_path(path, min_segment) = [  //! Add points to a path to enfo
             path[len(path) - 1]
 ];
 
-function spiral_paths(path, n, r, twists, start_angle) = let( //! Create a new paths which sprial around the given path. Use for making twisted cables
+function spiral_paths(path, n, r, twists, start_angle) = let( //! Create a new paths which spiral around the given path. Use for making twisted cables
         segment = twists ? path_length(path) / twists / r2sides(2 * r) : inf,
-        transforms = sweep_transforms(segmented_path(path, segment), twist = 360 * twists),
-        initial = [r, 0, 0, 1] * rotate(start_angle)
+        transforms = sweep_transforms(segmented_path(path, segment), twist = 360 * twists)
     ) [for(i = [0 : n - 1]) let(initial = [r, 0, 0, 1] * rotate(start_angle + i * 360 / n)) [for(t = transforms) initial * t]];
 
 function rounded_path_vertices(path) = [path[0], for(i = [1 : 2 : len(path) - 1]) path[i]]; //! Show the unrounded version of a rounded_path for debug

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.
-    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")));
+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"), 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/batteries.scad

@@ -44,7 +44,8 @@ AACELL    = ["AACELL",    "Cell AA",                                  50.5, 14.5
 AAACELL   = ["AAACELL",   "Cell AAA",                                 44.5, 10.5,  8, 3.8, 0.8, "grey",           [],                      0, bcontact];
 CCELL     = ["CCELL",     "Cell C",                                   50,   26.2, 20, 7.5, 1.5, "brown",          [],                      0, bcontact];
 DCELL     = ["DCELL",     "Cell D",                                   61.5, 34.2, 22, 8.2, 2.4, "brown",          [],                      0, bcontact];
+A23CELL   = ["A23CELL",   "Cell A23 12v",                             28.5, 10.3, 5.2,5.2, 1.0, "silver",         [],                      0, bcontact];
 
-batteries = [AAACELL, AACELL, CCELL, DCELL, LUMINTOP, S25R18650];
+batteries = [AAACELL, AACELL, CCELL, DCELL, LUMINTOP, S25R18650, A23CELL];
 
 use <battery.scad>

vitamins/bldc_motor.scad

@@ -20,11 +20,11 @@
 //
 //!  Brushless DC electric motor
 //
-include <NopSCADlib/core.scad>
+include <../utils/core/core.scad>
 
-use <NopSCADlib/vitamins/rod.scad>
-use <NopSCADlib/utils/thread.scad>
-use <NopSCADlib/utils/tube.scad>
+use <rod.scad>
+use <../utils/thread.scad>
+use <../utils/tube.scad>
 
 
 function BLDC_diameter(type)                    = type[1]; //! Diameter of motor

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
-    sleeving_length = 15;
-    sleeving = HSHRNK32;
-
+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
     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]) {
-        color("silver") {
+    translate([0, -s.y + TO220_hole_y]) {
+        color("silver")
             linear_extrude(TO220_thickness())
                 difference() {
-                    translate([-width / 2, inset])
-                        square([width, length - inset]);
+                    translate([-s.x / 2, 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])
-                cube([width, body, height]);
+            translate([-s.x / 2, 0, eps])
+                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/extrusions.scad

@@ -20,7 +20,7 @@
 // Extrusion
 //
 //                  W   H     d1     d2  sq    cw   cwi   t    st   f    recess
-E1515  = [ "E1515", 15, 15,  -2.5,    0, 5.7,  3.4,  5.7, 1.1, 1.1, 0.5, false ];
+E1515  = [ "E1515", 15, 15,  -3.3,    0, 5.5,  6.2,  9.5, 1.0, 0.9, 0.5, false ];
 E2020  = [ "E2020", 20, 20,  -4.2,   -3,   8,    6, 12.0,   2,   2, 1,   false ];
 E2020t = [ "E2020t",20, 20,  -5.0,   -3, 7.8,  6.2, 11.0, 1.8, 1.5, 1.5, [7.2, 0.5] ];
 E2040  = [ "E2040", 20, 40,  -4.2,   -3,   8,    6, 12.0,   2,   2, 1,   false ];

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/insert.scad

@@ -33,7 +33,7 @@ function insert_ring1_h(type)        = type[6];     //! Height of the top and mi
 function insert_ring2_d(type)        = type[7];     //! Diameter of the middle ring
 function insert_ring3_d(type)        = type[8];     //! Diameter of the bottom ring
 
-function insert_hole_length(type) = round_to_layer(insert_length(type));
+function insert_hole_length(type) = round_to_layer(insert_length(type)); //! Length of the insert rounded to layer height
 
 function insert_nose_length(type, d) = let( //! The length before the second ring.
         length = insert_length(type),
@@ -53,7 +53,7 @@ module insert(type) { //! Draw specified insert
     ring2_h = ring1_h + chamfer1;
     gap = (length - ring1_h - ring2_h - chamfer2) / 3;
 
-    vitamin(str("insert(", type[0], "): Heatfit insert M", insert_screw_diameter(type)));
+    vitamin(str("insert(", type[0], "): Heatfit insert M", insert_screw_diameter(type), " x ", length, "mm"));
     $fn = 64;
     thread_d = insert_screw_diameter(type);
     explode(20, offset = [0, 0, -5]) translate_z(eps) vflip() {

vitamins/inserts.scad

@@ -34,6 +34,13 @@ F1BM2p5 = [ "F1BM2p5", 5.8, 4.6, 4.0, 2.5, 3.65, 1.6, 4.4, 3.9 ];
 F1BM3   = [ "F1BM3",   5.8, 4.6, 4.0, 3,   3.65, 1.6, 4.4, 3.9 ];
 F1BM4   = [ "F1BM4",   8.2, 6.3, 5.6, 4,   5.15, 2.3, 6.0, 5.55 ];
 
-inserts = [ F1BM2, F1BM2p5, F1BM3, F1BM4 ];
+CNCKM2p5 =[ "CNCKM2p5",4.0, 4.6, 4.0, 2.5, 3.65, 1.0, 4.4, 3.9 ];
+CNCKM3 =  [ "CNCKM3",  3.0, 4.6, 4.0, 3,   3.65, 0.7, 4.4, 3.9 ];
+CNCKM4 =  [ "CNCKM4",  4.0, 6.3, 5.6, 4,   5.15, 1.0, 6.0, 5.55];
+CNCKM5 =  [ "CNCKM5",  5.8, 7.1, 6.4, 5,   6.0,  1.6, 6.8, 6.33];
+
+
+inserts =       [ F1BM2, F1BM2p5,  F1BM3,  F1BM4,  CNCKM5 ];
+short_inserts = [ F1BM2, CNCKM2p5, CNCKM3, CNCKM4, CNCKM5 ];
 
 use <insert.scad>

vitamins/leadnut.scad

@@ -23,6 +23,7 @@
 include <../utils/core/core.scad>
 use <../utils/tube.scad>
 use <../utils/thread.scad>
+use <../vitamins/screw.scad>
 
 function leadnut_bore(type)          = type[2];     //! Thread size
 function leadnut_od(type)            = type[3];     //! Outer diameter of the shank
@@ -41,6 +42,17 @@ function leadnut_colour(type)        = type[15];    //! The colour
 
 function leadnut_shank(type)         = leadnut_height(type) - leadnut_flange_t(type) - leadnut_flange_offset(type); //! The length of the shank below the flange
 
+function leadnuthousing_length(type)            = type[2];  //! Length of housing
+function leadnuthousing_width(type)             = type[3];  //! Width of housing
+function leadnuthousing_height(type)            = type[4];  //! Height of housing
+function leadnuthousing_hole_pos(type)          = type[5];  //! Offset from center for nut hole
+function leadnuthousing_screw_dist_l(type)      = type[6];  //! Distance between mounting holes length
+function leadnuthousing_screw_dist_w(type)      = type[7];  //! Distance between mounting holes width
+function leadnuthousing_mount_screw(type)       = type[8];  //! Mounting screw
+function leadnuthousing_mount_screw_len(type)   = type[9];  //! Mounting screw length
+function leadnuthousing_nut(type)               = type[10]; //! Nut type this is suitable for
+function leadnuthousing_nut_screw_length(type)  = type[11]; //! Length of mounting screw for nut
+
 module leadnut_screw_positions(type) { //! Position children at the screw holes
     holes = leadnut_holes(type);
     flat = leadnut_flat(type);
@@ -87,3 +99,58 @@ module leadnut(type) { //! Draw specified leadnut
                     }
         }
 }
+
+module leadnuthousing_screw_positions(type) { //! Get screw positions to mount the leadnut housing
+    for(p = [[-1,-1], [1,-1], [1,1], [-1,1]])
+        translate([p.x * leadnuthousing_screw_dist_l(type)/2, p.y * leadnuthousing_screw_dist_w(type)/2, 0])
+            children();
+}
+module leadnuthousing_nut_position(type) { //! The position of the nut may be off-center, use this to get the position
+    translate([leadnuthousing_hole_pos(type),0, leadnuthousing_height(type)/2])
+        children();
+}
+
+module leadnuthousing_nut_screw_positions(type) { //! get screw positions to mount the nut to the nut housing
+    translate([leadnuthousing_hole_pos(type),0, 0])
+        leadnut_screw_positions(leadnuthousing_nut(type))
+            children();
+}
+
+module leadnuthousing(type) { //! Nut housing, to connect a lead nut to another object
+    vitamin(str("nuthousing(", type[0], "): ", type[1]));
+
+    leadnut = leadnuthousing_nut(type);
+    screw = leadnut_screw(leadnut);
+    d = screw_radius(screw) * 2;
+    p = metric_coarse_pitch(d);
+    sl = leadnuthousing_nut_screw_length(type);
+    ms = leadnuthousing_mount_screw(type);
+    msl = leadnuthousing_mount_screw_len(type);
+    md = screw_radius (ms) * 2;
+    mp = metric_coarse_pitch(md);
+
+    color("silver")
+        difference() {
+            cube([leadnuthousing_length(type), leadnuthousing_width(type), leadnuthousing_height(type)], center = true);
+            translate([leadnuthousing_hole_pos(type),0,0]) {
+                cylinder(d=leadnut_od(leadnut), h=leadnuthousing_length(type)+2, center=true);
+                translate_z(leadnut_flange_offset(leadnut))
+                    leadnut_screw_positions(leadnut)
+                cylinder(r=screw_radius(leadnut_screw(leadnut)), h=sl+1);
+            }
+
+            rotate([0,90,0])
+                leadnuthousing_screw_positions(type)
+                    cylinder(r=screw_radius(ms), h=msl+1);
+
+        }
+    if(show_threads) {
+        translate([leadnuthousing_hole_pos(type),0,leadnuthousing_height(type)/2 - sl/2 - leadnut_flange_t(leadnut)])
+            leadnut_screw_positions(leadnut)
+                female_metric_thread(d, p, sl, center = true, colour = silver);
+        rotate([0,90,0])
+            translate_z(msl/2)
+                leadnuthousing_screw_positions(type)
+                    female_metric_thread(md, mp, msl, center = true, colour = silver);
+    }
+}

vitamins/leadnuts.scad

@@ -29,5 +29,9 @@ LSN8x8  = ["LSN8x8",  "Leadscrew nut 8 x 8 RobotDigg", 8, 12.75,19, 25.4, 4.1, 0
 SFU1610 = ["SFU1610", "Leadscrew nut for SFU1610",    16, 28, 42.5, 48,    10, 0,   6, 6,   38/2,    M6_cap_screw, 5, 10, 40, "#DFDAC5"];
 
 leadnuts = [LSN8x2, LSN8x8, SFU1610];
+//                                                  L   W   H   Hole    Mounting screws (top)             Nut      Nut mount screw
+//                                                              Pos     Dist L Dist W Type             L            Length
+LNHT8x2 = [ "LNHT8x2", "Lead Screw Nut Housing T8", 30, 34, 30, -1,     20,    24,    M4_cs_cap_screw, 15, LSN8x2,  15 ];
+leadnuthousings = [LNHT8x2];
 
 use <leadnut.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];
-LED5mm  = ["LED5mm",   5,  5.6, 0.9,  8.5, 2.54, 0.4];
-LED10mm = ["LED10mm", 10, 11.0, 2.0, 13.5, 2.54, 0.4];
+LED3mm  = ["LED3mm",   3,  3.15, 1.15, 4.6, 2.54, 0.4];
+LED5mm  = ["LED5mm",   5,  5.9,  1.1,  9.0, 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/nuts.scad

@@ -28,14 +28,14 @@ M5_nut_depth = 4;
 M6_nut_depth = 5;
 M8_nut_depth = 6.5;
 
-//                                      s    r    t    n     w              t                  t
-//                                      c    a    h    y     a              r                  h
-//                                      r    d    i    l     s              a                  r
-//                                      e    i    c    o     h              p                  e
-//                                      w    u    k    c     e                                 d
-//                                           s    n          r              d
-//                                                e    t                    e                  p
-//                                                s    h                    p                  i
+//                                      s    d    t    n     w              t                  t
+//                                      c    i    h    y     a              r                  h
+//                                      r    a    i    l     s              a                  r
+//                                      e    m    c    o     h              p                  e
+//                                      w    e    k    c     e                                 d
+//                                           t    n          r              d
+//                                           e    e    t                    e                  p
+//                                           r    s    h                    p                  i
 //                                                s    k                    t                  t
 //                                                                          h                  c
 //                                                                                             h

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, [],
-    [     [ 3.45,   19,   0, "button_4p5mm"],
-          [ 2.75,   24.5, 0, "smd_led", LED0805, "green"],
-          [ 2.75,   28.0, 0, "smd_led", LED0805, "red"],
-          [ 28.5,   13,   0, "2p54header", 3, 1, false, undef, true],
+pcb = ["", "", width, width, 0.8, 0, 3.5, 0, "darkgreen", false, [],
+    [     [ 3.475,  19.05,    0, "button_4p5mm"],
+          [ 2.2,    24.125,   0, "smd_led", LED0805, "green"],
+          [ 2.375,  27.9,     0, "smd_led", LED0805, "red"],
+          [ 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>
@@ -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) {
-    l = 17;
-    w = 13.25;
-    flange_t = 0.4;
+module usb_A(h, v_flange_l, bar, cutout, l=17, h_flange_l = 11, flange_t = 0.4, w = 13.25) {
     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();
             }
 }
 
@@ -485,6 +493,50 @@ module usb_uA(cutout = false) { //! Draw USB micro A connector
         }
 }
 
+module usb_miniA(cutout = false) { //! Draw USB mini A connector
+    l = 9.2;
+    iw1 = 7.0;
+    iw2 = 6.0;
+    ih1 = 1.05;
+    ih2 = 1.0;
+    h = 4.0;
+    t = 0.4;
+
+    module D() {
+        hull() {
+            translate([-iw1 / 2, h - t - ih1])
+                square([iw1, ih1]);
+
+            translate([-iw2 / 2, t + ih2])
+                square([iw2, eps]);
+
+        }
+        translate([-iw2 / 2, t])
+            square([iw2, ih2]);
+    }
+
+    if(cutout)
+        rotate([90, 0, 90])
+            linear_extrude(100)
+                offset(2 * panel_clearance)
+                    D();
+    else
+        color("silver") rotate([90, 0, 90]) {
+            linear_extrude(l, center = true)
+                difference() {
+                    offset(t)
+                        D();
+
+                    D();
+                }
+
+            translate_z(-l / 2)
+                linear_extrude(1)
+                    offset(t)
+                        D();
+        }
+}
+
 module usb_C(cutout = false) { //! Draw USB C connector
     l = 7.35;
     w = 8.94;
@@ -1019,7 +1071,7 @@ 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])
@@ -1027,8 +1079,10 @@ module block(size, colour, makes_cutout, cutouts) //! Draw a coloured cube to re
     }
     else
         color(colour)
-            translate_z(size.z / 2)
-                cube(size, center = true);
+            if(rtop)
+                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);
@@ -1044,8 +1098,11 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
         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);
         if(show(comp, "usb_B"))         usb_B(cutouts);
         if(show(comp, "usb_C"))         usb_C(cutouts);
         if(show(comp, "jack"))          jack(cutouts);
@@ -1061,7 +1118,7 @@ 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);
@@ -1079,7 +1136,8 @@ 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));
@@ -1089,6 +1147,10 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
             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_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, "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");

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", DO241AC],
+     [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,
-    [[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]],
-    []
+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, 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",DO241AC, "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]];
@@ -812,7 +872,7 @@ 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 +921,7 @@ 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"],
@@ -885,7 +945,7 @@ ArduinoNano = let(l = 43.18, w = 17.78, pitch = inch(0.6), 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],
       [l / 2 + poffset + inch(0.75), w / 2, 0, "2p54header",  2,    3, false, undef, false, false],
-      [1.75, w / 2, 180, "usb_uA" ],
+      [3.1, w / 2, 180, "usb_miniA" ],
       [l / 2 - inch(0.25), w / 2, 45, "chip", 7, 7, 1.3],
       [l / 2 + poffset + inch(0.15), w / 2,    0, "chip", 3.5, 6,   1.8, silver ], // mock button
       [l / 2 + poffset + inch(0.15), w / 2,    0, "chip", 1.3, 2.6, 2.6, grey(90) ], // mock button
@@ -908,9 +968,21 @@ KY_040 = ["KY_040", "KY-040 rotart encoder breakout",
     ],
     []];
 
+L9110S = ["L9110S", "L9110S 2-Channel motor driver module", 29.2, 23, 1.6, 0, 3, 0, "#2140BE", false, [[10.7, 2.3], [10.7, -2.3], [-5.3, 2.3], [-5.3, -2.3] ],
+    [
+        [ -1.3,  11.5,      0, "2p54header", 1, 6],
+        [  16, 9.5      ,   0, "smd_led", LED0805, "red"],
+        for(i = [-1, 1]) [ 4, 5.5*i, 180, "gterm508", 2],
+        for(i = [-1, 1]) [ 17.38, 3*i, 90, "smd_soic", SOIC8, "" ]
+    ],
+    []];
+
+
 tiny_pcbs = [XIAO, MP1584EN, TP4056, ESP_01, LIPO_fuel_gauge];
 
-pcbs = [RAMPSEndstop, KY_040, MT3608, 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, 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>