Updated changelog.

Added links in the project readme to STL, DXF and SVG files.

.gitignore

@@ -12,3 +12,4 @@ times.txt
 *_diff.png
 *.echo
 cmd_times.txt
+*.gco

CHANGELOG.md

@@ -3,6 +3,248 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+#### [v21.41.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.41.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.41.0...v21.41.1 "diff with v21.41.0")
+*   2025-08-11 [`e4f6227`](https://github.com/nophead/NopSCADlib/commit/e4f6227e9acb7b76a560d1d92a90b3cb91113083 "show commit") [C.P.](# "Chris Palmer") Fixed include path in gridfinity test file.
+
+### [v21.41.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.41.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.40.0...v21.41.0 "diff with v21.40.0")
+*   2025-07-29 [`aedccd3`](https://github.com/nophead/NopSCADlib/commit/aedccd35b32591932d73cb8b429a1ca57152f781 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2025-07-29 [`98b8287`](https://github.com/nophead/NopSCADlib/commit/98b82873bff27e592cb13be72c923cac42ab7842 "show commit") [C.P.](# "Chris Palmer") Fixed undef extrusion type in BOM
+
+*   2025-07-29 [`aca921d`](https://github.com/nophead/NopSCADlib/commit/aca921d737c0a9e89a318385ac2945b7ed932114 "show commit") [C.P.](# "Chris Palmer") Fixed some indentation.
+
+*   2025-07-19 [`018f70a`](https://github.com/nophead/NopSCADlib/commit/018f70ae3c51cda911471ec1922cd1dcb5c73cb0 "show commit") [A.V.](# "Alex Verschoot") moved the `corner_3d_connector` over to the extrusion brackets
+
+*   2025-07-19 [`89c4b96`](https://github.com/nophead/NopSCADlib/commit/89c4b96525c0bdd1cd73756fd7a12f2c8144a6fd "show commit") [A.V.](# "Alex Verschoot") replaced the nut diameter with the actual nut from the vitamin list
+
+*   2025-07-18 [`4e443fc`](https://github.com/nophead/NopSCADlib/commit/4e443fc742bbce2efc5777fb0ab0395ac199bcfb "show commit") [A.V.](# "Alex Verschoot") used the `show_threads` variable instead of parameter
+
+*   2025-07-18 [`f032bb7`](https://github.com/nophead/NopSCADlib/commit/f032bb76db516a0265817e7c6d2233e2e847d51f "show commit") [A.V.](# "Alex Verschoot") added convexity to the linear extrude
+
+*   2025-07-18 [`c23c361`](https://github.com/nophead/NopSCADlib/commit/c23c3619e4090db59a1c4120375a54b5f4333817 "show commit") [A.V.](# "Alex Verschoot") fixed length typo
+
+*   2025-07-17 [`c16f0bd`](https://github.com/nophead/NopSCADlib/commit/c16f0bd47290d7215b5c66fff08b9e3f6bd34485 "show commit") [A.V.](# "Alex Verschoot") more formatting
+
+*   2025-07-17 [`9756845`](https://github.com/nophead/NopSCADlib/commit/9756845c59a85499c6f5c5efe029783735fc4e73 "show commit") [A.V.](# "Alex Verschoot") formatting + extra comments
+
+*   2025-07-15 [`00eeb1b`](https://github.com/nophead/NopSCADlib/commit/00eeb1b52de100200dd73b60ac605224033b0351 "show commit") [A.V.](# "Alex Verschoot") Added a testfile for the corner3d connector
+
+*   2025-07-15 [`80b17a0`](https://github.com/nophead/NopSCADlib/commit/80b17a012db0b2fa21b77205a1faafc5d9475abe "show commit") [A.V.](# "Alex Verschoot") renamed variables + corrected horizontal directions
+
+*   2025-07-12 [`9327c7c`](https://github.com/nophead/NopSCADlib/commit/9327c7c134a73c044e0fdba95f58e00ceaaaee05 "show commit") [A.V.](# "Alex Verschoot") added option for grub screws
+
+*   2025-07-12 [`55f7537`](https://github.com/nophead/NopSCADlib/commit/55f7537ba62242c5ed89f48fb05cb426e382132c "show commit") [A.V.](# "Alex Verschoot") made threads a toggle
+
+*   2025-07-12 [`bfaa48d`](https://github.com/nophead/NopSCADlib/commit/bfaa48dc7c0303d359b52a4a122ea14b74b535e2 "show commit") [A.V.](# "Alex Verschoot") Added the implementation
+
+*   2025-07-12 [`a785ae1`](https://github.com/nophead/NopSCADlib/commit/a785ae105006c88dc7fb705e5c615d68131daf50 "show commit") [A.V.](# "Alex Verschoot") added a `corner_3d_connectors` page
+
+### [v21.40.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.40.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.39.0...v21.40.0 "diff with v21.39.0")
+*   2025-07-01 [`d15cf6c`](https://github.com/nophead/NopSCADlib/commit/d15cf6cf35cbbd790525341c461e168eda9f3964 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2025-06-28 [`ca9cc97`](https://github.com/nophead/NopSCADlib/commit/ca9cc97b2a26324bef2b4683bef82eaceee1ffe9 "show commit") [E.F.](# "Elliot Foster") Makerbeam work in progress
+
+### [v21.39.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.39.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.38.1...v21.39.0 "diff with v21.38.1")
+*   2025-07-01 [`915ceea`](https://github.com/nophead/NopSCADlib/commit/915ceea296aa54e8432c98ac01d527d214740953 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2025-06-28 [`5a14c55`](https://github.com/nophead/NopSCADlib/commit/5a14c55ca5fc064c0ca04f1f4058bac25f2a65be "show commit") [E.F.](# "Elliot Foster") Add the Mellow Fly D5 PCB
+
+#### [v21.38.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.38.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.38.0...v21.38.1 "diff with v21.38.0")
+*   2025-05-16 [`9c5014b`](https://github.com/nophead/NopSCADlib/commit/9c5014b73d51d5071259fb7df814b8a62016d214 "show commit") [C.P.](# "Chris Palmer") Updated examples.
+
+*   2025-05-11 [`5c289bb`](https://github.com/nophead/NopSCADlib/commit/5c289bb7f566f3eebd8ad061645abb6dddb6ef97 "show commit") [P.](# "pcremades") `[Fix]` Fix route to svgs
+
+*   2025-05-09 [`3211fe1`](https://github.com/nophead/NopSCADlib/commit/3211fe1f19f8d2a9ea090c8232f65ddad379cd26 "show commit") [P.](# "pcremades") `[Feature]` Add link to `DXFs/SVGs` files in documentation
+
+*   2025-04-15 [`99ff256`](https://github.com/nophead/NopSCADlib/commit/99ff25684756ccf1ec86fd8538a03172e6ce62e9 "show commit") [C.P.](# "Chris Palmer") Fixed example link.
+
+### [v21.38.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.38.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.37.1...v21.38.0 "diff with v21.37.1")
+*   2025-04-15 [`bd94182`](https://github.com/nophead/NopSCADlib/commit/bd94182ff1ca85df7b667fc6985defb779846252 "show commit") [C.P.](# "Chris Palmer") Added simple Gridfinity generator and examples.
+
+*   2025-04-15 [`86df9a3`](https://github.com/nophead/NopSCADlib/commit/86df9a34d641511a84026eaf0b3191437e4692be "show commit") [C.P.](# "Chris Palmer") Added chamfer test file.
+
+*   2025-04-15 [`9758112`](https://github.com/nophead/NopSCADlib/commit/9758112e05d02c9cf156828ecd47b7770b602628 "show commit") [C.P.](# "Chris Palmer") Added `chamfer_hole()` utility module.
+
+#### [v21.37.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.37.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.37.0...v21.37.1 "diff with v21.37.0")
+*   2025-04-14 [`7546203`](https://github.com/nophead/NopSCADlib/commit/7546203b0377930a75a45e2943af296dc1758dca "show commit") [R.S.](# "Robert Schiele") positional parameters should not follow named parameters
+
+ * Some versions of OpenSCAD (like the latest official release `2021.01` get
+confused if positional parameters follow named parameters. So let's use
+named parameters after the first named one was used.
+
+### [v21.37.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.37.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.36.0...v21.37.0 "diff with v21.36.0")
+*   2025-04-15 [`edc7e17`](https://github.com/nophead/NopSCADlib/commit/edc7e174370ac8dcd6d4a78b31640347ab266f60 "show commit") [C.P.](# "Chris Palmer") Included `pcbs.scad` in `displays.scad`.
+Moved `I2C_LCD_Backpack` from `tiny_pcbs` to pcbs to prevent connector clash.
+Updated images and readme.
+
+*   2025-04-22 [`917f404`](https://github.com/nophead/NopSCADlib/commit/917f404c591350d8b1821e9cc6422c9bdbf24b22 "show commit") [P.](# "pcremades") `[Feature]` Add link to STL files in documentation
+
+*   2025-04-11 [`a9b501a`](https://github.com/nophead/NopSCADlib/commit/a9b501a2d2ce242c181c2cd5f5d1f86ba7150eec "show commit") [P.](# "pcremades") Added a 1602 LCD with I2C module
+
+*   2025-04-11 [`126343d`](https://github.com/nophead/NopSCADlib/commit/126343d5af75a2aa458db112305a62b953e23694 "show commit") [P.](# "pcremades") Added a I2C TWI SPI Serial Interface for 1602 LCD
+
+*   2025-04-11 [`1692fcc`](https://github.com/nophead/NopSCADlib/commit/1692fcc8116c9a0926231a95d0207a0085c814c5 "show commit") [P.](# "pcremades") Added `1/4"` square trimpot to `pcb.scad`
+
+### [v21.36.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.36.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.35.6...v21.36.0 "diff with v21.35.6")
+*   2025-04-09 [`33ac382`](https://github.com/nophead/NopSCADlib/commit/33ac3820b0df87df05d7c2dbb3d553e2aafa6828 "show commit") [C.P.](# "Chris Palmer") Added `pose_stl()` module because `pose()` only works for assembly views.
+
+#### [v21.35.6](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.6 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.5...v21.35.6 "diff with v21.35.5")
+*   2025-03-30 [`5d0eda8`](https://github.com/nophead/NopSCADlib/commit/5d0eda87e44a70fdbed51407a43555a637e064f9 "show commit") [D.T.](# "Daniel Trnka") `barrel_jack:` added cutout
+
+#### [v21.35.5](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.5 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.4...v21.35.5 "diff with v21.35.4")
+*   2025-04-01 [`3715585`](https://github.com/nophead/NopSCADlib/commit/3715585002ba56681103103faddd043b1553d095 "show commit") [C.P.](# "Chris Palmer") Made `pose()` work on STL renders to match the documentation.
+
+#### [v21.35.4](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.4 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.3...v21.35.4 "diff with v21.35.3")
+*   2025-03-23 [`fdbe0c7`](https://github.com/nophead/NopSCADlib/commit/fdbe0c7a9eba96823683b8e1161bc160bd63231e "show commit") [J.R.](# "Jeroen Roos") Change variable names that start with a digit
+
+ * Change names of variables from `2a` and `2c` to `ax2` (a times 2) and
+`cx2`, because variable names starting with a digit are deprecated in
+OpenSCAD.
+
+#### [v21.35.3](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.3 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.2...v21.35.3 "diff with v21.35.2")
+*   2025-03-27 [`9f9aa67`](https://github.com/nophead/NopSCADlib/commit/9f9aa6723eff9b7439e17758406e9f8e409828ee "show commit") [C.P.](# "Chris Palmer") Third attempt to fix dimension image.
+
+#### [v21.35.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.1...v21.35.2 "diff with v21.35.1")
+*   2025-03-27 [`6b6704b`](https://github.com/nophead/NopSCADlib/commit/6b6704b823291119697bf4993eddb3f2e6873875 "show commit") [C.P.](# "Chris Palmer") Second attempt to fix dimension image.
+
+#### [v21.35.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.0...v21.35.1 "diff with v21.35.0")
+*   2025-03-27 [`117fb62`](https://github.com/nophead/NopSCADlib/commit/117fb626e7023ca92339947a0f84a8aee5c6429e "show commit") [C.P.](# "Chris Palmer") Fixed dimension example image address.
+
+### [v21.35.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.34.0...v21.35.0 "diff with v21.34.0")
+*   2025-03-27 [`6dc8204`](https://github.com/nophead/NopSCADlib/commit/6dc82045fffeca383381724abb6d70d7025b2ae5 "show commit") [C.P.](# "Chris Palmer") Shortened the module comments by factoring out the parameter descriptions.
+Added the nut example picture.
+Fixed nut picture placement.
+Updated images and readme.
+
+*   2025-03-22 [`c50f95a`](https://github.com/nophead/NopSCADlib/commit/c50f95a203ead9070407fbae7d1247a00938b255 "show commit") [A.V.](# "Alex Verschoot") added some documentation to the nut
+
+*   2025-03-22 [`49bd6e0`](https://github.com/nophead/NopSCADlib/commit/49bd6e0a04885cf5cad7655aee038e16dc0a7e15 "show commit") [A.V.](# "Alex Verschoot") added negative offsets to test
+
+*   2025-03-22 [`921843c`](https://github.com/nophead/NopSCADlib/commit/921843cc09e7ae2953090c30e7d5b9c644e3b966 "show commit") [A.V.](# "Alex Verschoot") made negative offset work as expected (go to the opposite side, and use min instead of max on coordinates)
+
+*   2025-03-19 [`c17cc13`](https://github.com/nophead/NopSCADlib/commit/c17cc1321bcd06af439519435734f6e0eb8f5d43 "show commit") [A.V.](# "Alex Verschoot") Changed the module comments style
+
+*   2025-03-16 [`9862b3c`](https://github.com/nophead/NopSCADlib/commit/9862b3c3a347fac5bb355b1d62a02bdc0970221b "show commit") [A.V.](# "Alex Verschoot") typos
+
+*   2025-03-16 [`e87e19a`](https://github.com/nophead/NopSCADlib/commit/e87e19aa182acee64e3d47c282c81b7ef495bf81 "show commit") [A.V.](# "Alex Verschoot") removed `center` from experiment
+
+*   2025-03-16 [`4f68935`](https://github.com/nophead/NopSCADlib/commit/4f68935b5b56b7405eb6c1e0fae5845e8f800489 "show commit") [A.V.](# "Alex Verschoot") some cleanup
+
+*   2025-03-15 [`8992cce`](https://github.com/nophead/NopSCADlib/commit/8992cce7a62d2fec956aae64236ba19dc340603f "show commit") [A.V.](# "Alex Verschoot") added argument for text size, and improve auto size
+
+*   2025-03-15 [`106666e`](https://github.com/nophead/NopSCADlib/commit/106666ec493f6b088ee398b276e8734d0790a451 "show commit") [A.V.](# "Alex Verschoot") simplified the math to use rotates instead, added examples, and allowed the user to choose witch plane the x,y and z dimensions are in
+
+*   2025-03-13 [`f731f0f`](https://github.com/nophead/NopSCADlib/commit/f731f0fe98a3a3d975c34cd85ac4f618c2f1bf6b "show commit") [A.V.](# "Alex Verschoot") added a function to rotate around the dim axis
+
+*   2025-03-13 [`3a62198`](https://github.com/nophead/NopSCADlib/commit/3a62198183b6a1dce74479ae44e00b4d5e690431 "show commit") [A.V.](# "Alex Verschoot") replaced the new math functions with rotate and transform
+
+*   2025-03-07 [`0123885`](https://github.com/nophead/NopSCADlib/commit/012388571185c674293ba17de39e0db59a775ff4 "show commit") [A.V.](# "Alex Verschoot") Improved text alligment
+
+*   2025-03-02 [`b166ec4`](https://github.com/nophead/NopSCADlib/commit/b166ec47dd7e34e6798c1287d0ce8612a84e9be1 "show commit") [A.V.](# "Alex Verschoot") Remove old commented code from `dimension.scad`
+
+*   2025-03-02 [`6467de5`](https://github.com/nophead/NopSCADlib/commit/6467de5facdc2a5b6ccdbdbe32f703ba3faa70f4 "show commit") [A.V.](# "Alex Verschoot") Update `maths.scad`
+
+*   2025-03-02 [`dc683ed`](https://github.com/nophead/NopSCADlib/commit/dc683ed701b016a1c79800db2ed41aed9cf8cac6 "show commit") [A.V.](# "Alex Verschoot") added dimensions
+
+### [v21.34.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.34.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.33.0...v21.34.0 "diff with v21.33.0")
+*   2025-02-22 [`8623572`](https://github.com/nophead/NopSCADlib/commit/862357279a98c9511e2db166585065c660eb331d "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2025-02-16 [`0b8ad93`](https://github.com/nophead/NopSCADlib/commit/0b8ad93dc5c1ed89c6525e846c02f756bfbe9b2b "show commit") [A.V.](# "Alex Verschoot") made the test cases work with the motor in the back
+
+*   2025-02-16 [`3889040`](https://github.com/nophead/NopSCADlib/commit/38890400ac03c64635674412e621236ab28f0314 "show commit") [A.V.](# "Alex Verschoot") added new test cases for motor in the back
+
+*   2025-02-15 [`9974c03`](https://github.com/nophead/NopSCADlib/commit/9974c03fc9c1ca0f67ce27fa5ea5f69c94d416ba "show commit") [A.V.](# "Alex Verschoot") improved the comments
+
+*   2025-02-15 [`0208965`](https://github.com/nophead/NopSCADlib/commit/0208965684441bb2022fe2b513aa8ee28ce22f41 "show commit") [A.V.](# "Alex Verschoot") added an option to emplace the motor in the back
+
+### [v21.33.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.33.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.32.1...v21.33.0 "diff with v21.32.1")
+*   2025-01-22 [`8458e43`](https://github.com/nophead/NopSCADlib/commit/8458e432fcb472c0b2f7c880f9c06ea7d4f7511f "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2025-01-01 [`e11bb72`](https://github.com/nophead/NopSCADlib/commit/e11bb72814010692e22f0cbe891c77fac0bcebfe "show commit") [L.](# "loekwous") Added Black pill pcb
+
+*   2025-01-21 [`0154b2a`](https://github.com/nophead/NopSCADlib/commit/0154b2a32ce6cd9fd0a5e8cd69e1b26f0358f816 "show commit") [C.P.](# "Chris Palmer") Added Sparkfun `9DOF_stick` PCB.
+
+#### [v21.32.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.32.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.32.0...v21.32.1 "diff with v21.32.0")
+*   2025-01-21 [`0b80218`](https://github.com/nophead/NopSCADlib/commit/0b802187bb56726e84128df9ccb46c9a830e7dbc "show commit") [C.P.](# "Chris Palmer") Corrected the chip number on `ZC_A0591` pcb.
+
+*   2025-01-21 [`923c3b5`](https://github.com/nophead/NopSCADlib/commit/923c3b5c573cde6f9bc4611e6bf0e5cc2922443e "show commit") [C.P.](# "Chris Palmer") Avoid making empty folders for dxfs, stls or png if there are no parts of that type.
+
+### [v21.32.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.32.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.31.0...v21.32.0 "diff with v21.31.0")
+*   2024-10-20 [`4d89117`](https://github.com/nophead/NopSCADlib/commit/4d8911718c54fdee5054d934c4aeeee34386d7f9 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2024-10-17 [`cb57b25`](https://github.com/nophead/NopSCADlib/commit/cb57b25b0bbe23b5f5a7f5c910dbdd3cf53530dd "show commit") [F.R.](# "Fran<61>ois Revol") Add 10x15 micro rocker switches
+
+ * Spades are not exact but close enough.
+
+### [v21.31.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.31.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.30.0...v21.31.0 "diff with v21.30.0")
+*   2024-10-17 [`066242a`](https://github.com/nophead/NopSCADlib/commit/066242af588446037fc69606388ccc65d9884ad6 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2024-10-17 [`4b3468f`](https://github.com/nophead/NopSCADlib/commit/4b3468f78d998fbd2e849d10bdc63dd3aeadc72a "show commit") [C.P.](# "Chris Palmer") Fixed LED bezels to cope with square LEDs.
+
+*   2024-10-17 [`001ea2a`](https://github.com/nophead/NopSCADlib/commit/001ea2a174dbc4395636fb325628a53874e59943 "show commit") [C.P.](# "Chris Palmer") Fixed LED bezel test.
+
+*   2024-10-17 [`8e9d2dd`](https://github.com/nophead/NopSCADlib/commit/8e9d2dd367015403aa542b16fa384d08856e8401 "show commit") [C.P.](# "Chris Palmer") Fixed LED test.
+
+*   2024-10-17 [`f4a7065`](https://github.com/nophead/NopSCADlib/commit/f4a7065e1f1198add4e50754343fd0d97954e239 "show commit") [F.R.](# "Fran<61>ois Revol") Add rectangular LEDs
+
+ * As per `https://www.futurlec.com/LED/Red_2x5mm_LED.shtml`
+
+### [v21.30.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.30.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.29.2...v21.30.0 "diff with v21.29.2")
+*   2024-10-10 [`7ffff8b`](https://github.com/nophead/NopSCADlib/commit/7ffff8b7b7e111400dd7e3cb8e96bc95471a8ffa "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2024-10-10 [`e001cc4`](https://github.com/nophead/NopSCADlib/commit/e001cc46a34206801c7e1a474634b9b1f83dfc9a "show commit") [C.P.](# "Chris Palmer") Restored Lumintop colour to white and made text black on white batteries.
+
+*   2024-10-08 [`7b42157`](https://github.com/nophead/NopSCADlib/commit/7b421570b46136de925963321ef44cb570e868b6 "show commit") [J.G.](# "Jan Giebels") corrected c&p error
+
+*   2024-10-08 [`49ba60f`](https://github.com/nophead/NopSCADlib/commit/49ba60f159b2c3685696fff3f1dca5a9184d2553 "show commit") [J.G.](# "Jan Giebels") added L4680, L32700, L16340 `Li-Ion/LiFePo4` batteries
+
+#### [v21.29.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.29.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.29.1...v21.29.2 "diff with v21.29.1")
+*   2024-10-07 [`9e45dba`](https://github.com/nophead/NopSCADlib/commit/9e45dbad04bb4752b9b3aceaa88ee71bb975d749 "show commit") [C.P.](# "Chris Palmer") Fixed incorrect parameters passed to `tube()` in `ht_pipe()`.
+Fixed `lib.scad` to include `ht_pipes.scad` instead of using it.
+
+#### [v21.29.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.29.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.29.0...v21.29.1 "diff with v21.29.0")
+*   2024-10-07 [`f65fe59`](https://github.com/nophead/NopSCADlib/commit/f65fe598318d349a5a8764e2dbbe80acfdc0be2e "show commit") [C.P.](# "Chris Palmer") Restored 30mm tube section on the bottom of the pipe fitting.
+
+### [v21.29.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.29.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.28.2...v21.29.0 "diff with v21.28.2")
+*   2024-10-06 [`932c68a`](https://github.com/nophead/NopSCADlib/commit/932c68a2c01307fd22946b17f9419894f2de2e9f "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+Pipes are now made with tube instead of differencing cylinders.
+`HTpipeFitting()` now uses `rotate_extrude` and corrected internal shape.
+The seal ring is now tube diameter + 13.
+
+*   2024-10-06 [`78e3360`](https://github.com/nophead/NopSCADlib/commit/78e3360900f61f30d5df7d53084a7e752ecd836a "show commit") [J.G.](# "Jan Giebels") changed naming of `ht_pipes` test script
+
+*   2024-10-06 [`178f67f`](https://github.com/nophead/NopSCADlib/commit/178f67f815dca6edc65651c0b9cfb9d670c349ae "show commit") [J.G.](# "Jan Giebels") added more pipes and some cleanup
+
+*   2024-10-06 [`af1b057`](https://github.com/nophead/NopSCADlib/commit/af1b057f597f75532b17f042e7711337731aa0c3 "show commit") [J.G.](# "Jan Giebels") added info and description
+
+*   2024-10-06 [`195917a`](https://github.com/nophead/NopSCADlib/commit/195917a8790926515a6fffb2a02d7154855de568 "show commit") [J.G.](# "Jan Giebels") added HT pipes to lib
+
+*   2024-10-06 [`9ed6aab`](https://github.com/nophead/NopSCADlib/commit/9ed6aab6c8cfd1a647f5eae2eac8d74832328065 "show commit") [J.G.](# "Jan Giebels") added test script and some more HT pipes
+
+*   2024-10-05 [`c61386c`](https://github.com/nophead/NopSCADlib/commit/c61386caf937840e9a07e348b3ad96af71820dd2 "show commit") [J.G.](# "Jan Giebels") added HT waterpipes
+
+*   2024-10-02 [`549dbc9`](https://github.com/nophead/NopSCADlib/commit/549dbc9380f39f8521554963f2051c3f05f5495f "show commit") [G.L.](# "Greg Land") Relative paths for vitamin `rod_end` includes
+
+#### [v21.28.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.28.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.28.1...v21.28.2 "diff with v21.28.1")
+*   2024-10-02 [`afc50ff`](https://github.com/nophead/NopSCADlib/commit/afc50ffe5d01ee586b55630e0d34e44720f6b68a "show commit") [C.P.](# "Chris Palmer") Removed trailing comma in `let()` for compatibility with last release.
+
+#### [v21.28.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.28.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.28.0...v21.28.1 "diff with v21.28.0")
+*   2024-09-30 [`8fb7ec0`](https://github.com/nophead/NopSCADlib/commit/8fb7ec02138f30c5f4b2a72c723ea01d753aeb61 "show commit") [C.P.](# "Chris Palmer") Updated images.
+
+*   2024-09-25 [`f6a3717`](https://github.com/nophead/NopSCADlib/commit/f6a371769d2850037dc15c94366d14c126efe4ba "show commit") [J.](# "jijamik") Corrected HGH20CA `carriage_pitch_x` value.
+
+### [v21.28.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.28.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.27.1...v21.28.0 "diff with v21.27.1")
+*   2024-09-30 [`e4b1b68`](https://github.com/nophead/NopSCADlib/commit/e4b1b686ff12a415c6109f311c6c36104d8a7b0c "show commit") [C.P.](# "Chris Palmer") Added `rd_cm_choke(),` `rd_coil()` and `spiral_wrap()`.
+Added 10mm ceramic disc capacitors.
+
+#### [v21.27.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.27.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.27.0...v21.27.1 "diff with v21.27.0")
+*   2024-09-13 [`c484ac2`](https://github.com/nophead/NopSCADlib/commit/c484ac2e8dbc8e9f9cb5051ce963250839a2705d "show commit") [C.P.](# "Chris Palmer") Updated libtest image with new D-connector.
+
+### [v21.27.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.27.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.26.0...v21.27.0 "diff with v21.26.0")
+*   2024-09-13 [`6da8452`](https://github.com/nophead/NopSCADlib/commit/6da845215bd2a4c3b7dc8a022579947cef27b8b8 "show commit") [C.P.](# "Chris Palmer") Updated readme.
+
+*   2024-09-10 [`7fe5aaa`](https://github.com/nophead/NopSCADlib/commit/7fe5aaac22283c453b2c2e5a2239b65ddd4320c1 "show commit") [D.T.](# "Daniel Trnka") Added DCONN37 connector
+
 ### [v21.26.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.26.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.25.0...v21.26.0 "diff with v21.25.0")
 *   2024-09-02 [`4f073f9`](https://github.com/nophead/NopSCADlib/commit/4f073f97e815e5c0b469a07d20526f7e2b88d79d "show commit") [C.P.](# "Chris Palmer") Added `rod_ends.scad` to `lib.scad` and `lib_test.scad`.
 Fixed `rod_end` colours.

examples/EnviroPlus/bom/bom.json

@@ -17,11 +17,13 @@
         "printed": {
             "fan_duct.stl": {
                 "count": 1,
-                "colour": "darkorange"
+                "colour": "darkorange",
+                "camera": "0,0,0,70,0,315,500"
             },
             "enviro_plus_case_base.stl": {
                 "count": 1,
-                "colour": "grey"
+                "colour": "grey",
+                "camera": "0,0,0,70,0,315,500"
             }
         },
         "routed": {}
@@ -67,10 +69,10 @@
             "smd_resistor(RES0805, 3K3): SMD resistor 0805 3K3 0.125W": {
                 "count": 1
             },
-            "smd_capacitor(CAP1206): SMD capacitor 1206 10uF": {
+            "smd_capacitor(CAP1206, value = \"10uF\"): SMD capacitor 1206 10uF": {
                 "count": 1
             },
-            "smd_sot(SOT223): SOT223 package FZT851": {
+            "smd_sot(SOT223, \"FZT851\"): SOT223 package FZT851": {
                 "count": 1
             }
         },
@@ -115,15 +117,18 @@
         "printed": {
             "enviro_plus_case.stl": {
                 "count": 1,
-                "colour": "grey"
+                "colour": "grey",
+                "camera": "0,0,0,70,0,315,500"
             },
             "bulkhead.stl": {
                 "count": 1,
-                "colour": "[0.862745, 0.0784314, 0.235294]"
+                "colour": "[0.862745, 0.0784314, 0.235294]",
+                "camera": "0,0,0,70,0,315,500"
             },
             "foot.stl": {
                 "count": 3,
-                "colour": "darkorange"
+                "colour": "darkorange",
+                "camera": "0,0,0,70,0,315,500"
             }
         },
         "routed": {}

examples/EnviroPlus/readme.md

@@ -72,7 +72,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 
 ### 3D Printed parts
 
-| 1 x enviro_plus_case_base.stl | 1 x fan_duct.stl |
+| 1 x [enviro_plus_case_base.stl](stls/enviro_plus_case_base.stl) | 1 x [fan_duct.stl](stls/fan_duct.stl) |
 |---|---|
 | ![enviro_plus_case_base.stl](stls/enviro_plus_case_base.png) | ![fan_duct.stl](stls/fan_duct.png) 
 
@@ -190,7 +190,7 @@ It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't
 
 ### 3D Printed parts
 
-| 1 x bulkhead.stl | 1 x enviro_plus_case.stl | 3 x foot.stl |
+| 1 x [bulkhead.stl](stls/bulkhead.stl) | 1 x [enviro_plus_case.stl](stls/enviro_plus_case.stl) | 3 x [foot.stl](stls/foot.stl) |
 |---|---|---|
 | ![bulkhead.stl](stls/bulkhead.png) | ![enviro_plus_case.stl](stls/enviro_plus_case.png) | ![foot.stl](stls/foot.png) 
 

examples/Gridfinity/bom/bom.json

@@ -0,0 +1,49 @@
+[
+    {
+        "name": "main_assembly",
+        "big": null,
+        "ngb": false,
+        "zoomed": 0,
+        "count": 1,
+        "assemblies": {},
+        "vitamins": {},
+        "printed": {
+            "lathe_tool_stand.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "MT2_stand.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "chuck_stand.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "chuck_jaw_bin.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "1x1_bin.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "123_block_stand.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            },
+            "faceplate_stand.stl": {
+                "count": 1,
+                "colour": "[0, 0.572549, 0]",
+                "camera": "0,0,0,70,0,315,500"
+            }
+        },
+        "routed": {}
+    }
+]

examples/Gridfinity/bom/bom.txt

@@ -0,0 +1,15 @@
+ M
+ a
+ i
+ n
+Printed:
+ 1|  1 123_block_stand.stl
+ 1|  1 1x1_bin.stl
+ 1|  1 MT2_stand.stl
+ 1|  1 chuck_jaw_bin.stl
+ 1|  1 chuck_stand.stl
+ 1|  1 faceplate_stand.stl
+ 1|  1 lathe_tool_stand.stl
+
+Assemblies:
+  1 main_assembly

examples/Gridfinity/bom/main_assembly.txt

@@ -0,0 +1,9 @@
+main_assembly:
+Printed:
+  1 123_block_stand.stl
+  1 1x1_bin.stl
+  1 MT2_stand.stl
+  1 chuck_jaw_bin.stl
+  1 chuck_stand.stl
+  1 faceplate_stand.stl
+  1 lathe_tool_stand.stl

examples/Gridfinity/readme.md

@@ -0,0 +1,64 @@
+<a name="TOP"></a>
+# Gridfinity
+Gridfinity examples
+
+![Main Assembly](assemblies/main_assembled.png)
+
+<span></span>
+
+---
+## Table of Contents
+1. [Parts list](#Parts_list)
+1. [Main Assembly](#main_assembly)
+
+<span></span>
+[Top](#TOP)
+
+---
+<a name="Parts_list"></a>
+## Parts list
+| <span style="writing-mode: vertical-rl; text-orientation: mixed;">Main</span> | <span style="writing-mode: vertical-rl; text-orientation: mixed;">TOTALS</span> |  |
+|---:|---:|:---|
+|  | | **3D printed parts** |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;123_block_stand.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;1x1_bin.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;MT2_stand.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;chuck_jaw_bin.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;chuck_stand.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;faceplate_stand.stl |
+| &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;lathe_tool_stand.stl |
+| &nbsp;&nbsp;7&nbsp; | &nbsp;&nbsp;7&nbsp; | &nbsp;&nbsp;Total 3D printed parts count |
+
+<span></span>
+[Top](#TOP)
+
+---
+<a name="main_assembly"></a>
+## Main Assembly
+### 3D Printed parts
+
+| 1 x [123_block_stand.stl](stls/123_block_stand.stl) | 1 x [1x1_bin.stl](stls/1x1_bin.stl) | 1 x [MT2_stand.stl](stls/MT2_stand.stl) |
+|---|---|---|
+| ![123_block_stand.stl](stls/123_block_stand.png) | ![1x1_bin.stl](stls/1x1_bin.png) | ![MT2_stand.stl](stls/MT2_stand.png) 
+
+
+| 1 x [chuck_jaw_bin.stl](stls/chuck_jaw_bin.stl) | 1 x [chuck_stand.stl](stls/chuck_stand.stl) | 1 x [faceplate_stand.stl](stls/faceplate_stand.stl) |
+|---|---|---|
+| ![chuck_jaw_bin.stl](stls/chuck_jaw_bin.png) | ![chuck_stand.stl](stls/chuck_stand.png) | ![faceplate_stand.stl](stls/faceplate_stand.png) 
+
+
+| 1 x [lathe_tool_stand.stl](stls/lathe_tool_stand.stl) |
+|---|
+| ![lathe_tool_stand.stl](stls/lathe_tool_stand.png) 
+
+
+
+### Assembly instructions
+![main_assembly](assemblies/main_assembly.png)
+
+Show all the Gridfinity parts
+
+![main_assembled](assemblies/main_assembled.png)
+
+<span></span>
+[Top](#TOP)

examples/Gridfinity/scad/123_block_stand.scad

@@ -0,0 +1,58 @@
+include <NopSCADlib/core.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+use <NopSCADlib/utils/maths.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+tool_size = 8;
+
+box = gridfinity_bin("123_block_stand", 2, 2, 5);
+
+123_block = inch([3, 1, 2]);
+
+102040_block = [20, 10, 40];
+
+blocks = [123_block, 123_block, 102040_block];
+
+box_mm = gridfinity_bin_size_mm(box);
+wall = 1.75;
+bwall = 1;
+clearance = 0.5;
+
+gap = (box_mm.y - sumv([for(b = blocks) b.y])) / (len(blocks) + 1);
+
+module holes() {
+    let($b = blocks[0])
+        translate([0, box_mm.y / 2 - gap - $b.y / 2])
+            children();
+
+    let($b = blocks[1])
+        translate([0, box_mm.y / 2 - gap - blocks[0].y - gap - $b.y / 2])
+            children();
+
+    for(side = [-1, 1])
+        let($b = blocks[2])
+            translate([side * (blocks[2].x + 2 * gap) / 2,
+                       box_mm.y / 2 - gap - blocks[0].y - gap - blocks[1].y - gap - blocks[2].y / 2 ])
+                children();
+}
+
+module 123_block_stand_stl()
+    gridfinity_bin(box) union() {
+        holes() {
+            translate_z(gridfinity_base_z() + bwall + $b.z / 2 + eps)
+                cube([$b.x + clearance, $b.y + clearance, $b.z + 2 * eps], true);
+
+            chamfer = 1;
+            translate_z(box_mm.z)
+                chamfer_hole(chamfer)
+                    square([$b.x + clearance, $b.y + clearance], true);
+        }
+        translate_z(gridfinity_base_z() + bwall)
+            difference() {
+                rounded_rectangle([box_mm.x - 2 * wall, box_mm.y - 2 * wall, box_mm.z - gridfinity_base_z() - bwall - wall], gridfinity_corner_r() - wall);
+
+                holes()
+                    rounded_rectangle([$b.x + clearance + 2 * wall, $b.y + clearance + 2 * wall, 100], wall, center = true);
+            }
+    }

examples/Gridfinity/scad/1x1_bin.scad

@@ -0,0 +1,9 @@
+include <NopSCADlib/core.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+
+box = gridfinity_bin("1x1_bin", 1, 1, 5);
+
+module 1x1_bin_stl()
+    gridfinity_bin(box)
+        gridfinity_partition(box, 1, 1);

examples/Gridfinity/scad/MT2_stand.scad

@@ -0,0 +1,80 @@
+//
+// Stand for MT2 taper lathe tools
+//
+include <NopSCADlib/core.scad>
+use <NopSCADlib/utils/maths.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+
+box = gridfinity_bin("MT2_stand", 4, 2, 8);
+
+box_mm = gridfinity_bin_size_mm(box);
+wall = 1.75;
+bwall = 1;
+
+
+diameters1 = [43, 47, 64];
+d2 = 20;
+
+clearance = 1;
+clearance2 = 4;
+
+MT2_base = 5; // smaller diameters
+MT2_D1 = 15; // diameter at the bottom of the taper at base height
+MT2_half_angle = 1.4302777777777778;
+
+hole_depth = box_mm.z - gridfinity_base_z() - bwall;
+MT2_r1 = MT2_D1 / 2;
+MT2_r2 = MT2_r1 + (hole_depth - MT2_base) * tan(MT2_half_angle);
+
+gap = (box_mm.x - sumv(diameters1) - 2 * clearance) / (len(diameters1) - 1);
+gap2 = 18;
+
+module MT2_socket() {
+    clearance = 0.3;
+
+    translate_z(-hole_depth) {
+        poly_cylinder(MT2_r1 + clearance / 2, MT2_base + eps);
+
+        translate_z(MT2_base)
+            hull() {
+                poly_cylinder(MT2_r1 + clearance / 2, eps);
+
+                translate_z(hole_depth - MT2_base)
+                    poly_cylinder(MT2_r2 + clearance / 2, eps);
+            }
+    }
+    chamfer_hole(1)
+        poly_circle(MT2_r2 + clearance / 2);
+}
+
+function pos(i)  = [clearance + sumv(slice(diameters1, 0, i)) + i * gap + diameters1[i] / 2 - box_mm.x / 2, box_mm.y / 2 - clearance - diameters1[i] / 2, box_mm.z];
+function pos2(i) = [clearance2 + i * gap2 + (i + 0.5) * d2 - box_mm.x / 2, -box_mm.y / 2 + clearance2 + d2 / 2, box_mm.z];
+
+module holes()
+    for(i = [0 : len(diameters1) - 1]) {
+        translate(pos(i))
+            children();
+
+        translate(pos2(i))
+            children();
+    }
+
+module MT2_stand_stl()
+    gridfinity_bin(box) union() {
+        holes()
+            MT2_socket();
+
+        translate_z(gridfinity_base_z() + bwall)
+            difference() {
+                rounded_rectangle([box_mm.x - 2 * wall, box_mm.y - 2 * wall, box_mm.z - gridfinity_base_z() - bwall - wall], gridfinity_corner_r() - wall);
+
+                holes()
+                    cylinder(r =  MT2_r2 + wall, h = 200, center = true);
+
+                for(x = [-box_mm.x / 2 : 20 :  box_mm.x /2])
+                    translate([x, 0])
+                        cube([squeezed_wall, 200, 200], center = true);
+            }
+    }

examples/Gridfinity/scad/chuck_jaw_bin.scad

@@ -0,0 +1,36 @@
+include <NopSCADlib/core.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+
+box = gridfinity_bin("chuck_jaw_bin", 1, 1, 5);
+
+box_mm = gridfinity_bin_size_mm(box);
+
+bwall = 1;
+
+length = 37;
+width = 34;
+
+
+z_bot = gridfinity_base_z() + bwall;
+
+depth = box_mm.z - z_bot;
+
+module chuck_jaw_bin_stl()
+    gridfinity_bin(box)
+        translate_z(box_mm.z) {
+            cube([length, width, depth * 2], true);
+
+            chamfer = 1;
+
+            chamfer_hole(chamfer)
+                square([length, width], true);
+
+            *hull() {
+                rounded_rectangle([length + 2 * chamfer, width + 2 * chamfer, eps], chamfer);
+
+                translate_z(-chamfer + eps / 2)
+                    cube([length, width, eps], true);
+            }
+        }

examples/Gridfinity/scad/chuck_stand.scad

@@ -0,0 +1,52 @@
+include <NopSCADlib/core.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+box = gridfinity_bin("chuck_stand", 2, 2, 5);
+
+box_mm = gridfinity_bin_size_mm(box);
+
+bwall = 1;
+
+chuck_d = 80;
+ring_od = 50;
+ring_id = 40;
+ring_h = 4;
+
+hole_pitch = (60 + 72.5) / 2;
+hole_d = (72.5 - 60) / 2;
+hole_depth = 15;
+clearance = 0.5;
+chamfer = 1;
+
+z_bot = gridfinity_base_z() + bwall;
+
+module chuck_stand_stl()
+    gridfinity_bin(box) union() {
+        translate_z(z_bot) {
+            for(a = [0 : 30 : 330])
+                rotate(a)
+                    translate([0, hole_pitch / 2]) {
+                        poly_cylinder(hole_d / 2 + clearance / 2, h = 100);
+
+                        translate_z(hole_depth)
+                            chamfer_hole(chamfer)
+                                poly_circle(hole_d / 2 + clearance / 2);
+                    }
+
+            translate_z(hole_depth) {
+                poly_cylinder(r = chuck_d / 2 + clearance / 2, h = 100);
+
+                poly_tube(or = ring_od / 2 + clearance, ir = ring_id / 2 - clearance, h = 2 * ring_h, center = true);
+
+                chamfer_hole(chamfer)
+                    poly_circle(ring_od / 2 + clearance);
+            }
+
+
+        }
+        translate_z(box_mm.z)
+            chamfer_hole(chamfer)
+                poly_circle(r = chuck_d / 2 + clearance / 2);
+    }

examples/Gridfinity/scad/faceplate_stand.scad

@@ -0,0 +1,56 @@
+include <NopSCADlib/core.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+use <NopSCADlib/utils/maths.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+tool_size = 8;
+
+box = gridfinity_bin("faceplate_stand", 3, 1, 5);
+
+faceplate = [112, 16, 17];
+sanding_disc = [69, 6.7, 14.5];
+
+discs = [faceplate, sanding_disc];
+
+box_mm = gridfinity_bin_size_mm(box);
+wall = 1.8;
+bwall = 1;
+clearance = 0.5;
+
+gap = (box_mm.y - sumv([for(b = discs) b.z])) / (len(discs) + 1);
+
+module holes() {
+    for(i = [0 : len(discs) - 1]) let($d = discs[i])
+        translate([0, box_mm.y / 2 - gap - (i ? discs[0].z + gap : 0) - $d.z / 2])
+            children();
+}
+
+module faceplate_stand_stl()
+    gridfinity_bin(box) union() {
+        holes() {
+            $fa = 1;
+            r = $d.x / 2 + clearance / 2;
+            z = gridfinity_base_z() + bwall + r;
+            translate_z(z)
+                rotate([90, 0, 0])
+                    teardrop_plus(r = r, h = $d.y + clearance, center = true);
+
+            chamfer = 1;
+            h = z - box_mm.z + wall;
+            translate_z(box_mm.z)
+                chamfer_hole(chamfer)
+                    square([2 * sqrt(sqr(r) - sqr(h)), $d.y + clearance], true);
+        }
+        difference() {
+            translate_z(gridfinity_base_z() + bwall)
+                rounded_rectangle([box_mm.x - 2 * wall, box_mm.y - 2 * wall, box_mm.z - gridfinity_base_z() - bwall - wall], gridfinity_corner_r() - wall);
+
+            holes() {
+                r = $d.x / 2 + clearance / 2;
+                translate_z(gridfinity_base_z() + bwall + r)
+                    rotate([90, 0, 0])
+                        teardrop_plus(r = r + wall, h = $d.y + clearance + 2 * wall);
+            }
+        }
+    }

examples/Gridfinity/scad/lathe_tool_stand.scad

@@ -0,0 +1,45 @@
+include <NopSCADlib/core.scad>
+
+use <NopSCADlib/printed/gridfinity.scad>
+use <NopSCADlib/utils/chamfer.scad>
+
+tool_size = 8;
+
+rows = 2;
+cols = 5;
+spacing = 8;
+
+hole = tool_size + 0.2;
+
+tool_pitch = hole + spacing;
+
+box = gridfinity_bin("lathe_tool_stand", 2, 1, 5);
+
+module holes()
+    for(x = [0 : cols - 1], y = [0 : rows - 1])
+        translate([x - (cols -1) / 2, y - (rows - 1) / 2] * tool_pitch)
+            children();
+
+box_mm = gridfinity_bin_size_mm(box);
+wall = 1.75;
+bwall = 1;
+
+module lathe_tool_stand_stl()
+    gridfinity_bin(box) union() {
+        translate_z(box_mm.z)
+            holes() {
+                cube([hole, hole, 2 * (box_mm.z - gridfinity_base_z() - bwall)], true);
+
+                chamfer = 1;
+                chamfer_hole(chamfer)
+                    square([hole, hole], true);
+            }
+
+        translate_z(gridfinity_base_z() + bwall)
+            difference() {
+                rounded_rectangle([box_mm.x - 2 * wall, box_mm.y - 2 * wall, box_mm.z - gridfinity_base_z() - bwall - wall], gridfinity_corner_r() - wall);
+
+                holes()
+                    rounded_rectangle([hole + 2 * wall, hole + 2 * wall, 100], wall, center = true);
+            }
+    }

examples/Gridfinity/scad/main.scad

@@ -0,0 +1,42 @@
+//
+//! Gridfinity examples
+//
+include <NopSCADlib/core.scad>
+
+use <lathe_tool_stand.scad>
+use <MT2_stand.scad>
+use <chuck_stand.scad>
+use <chuck_jaw_bin.scad>
+use <1x1_bin.scad>
+use <123_block_stand.scad>
+use <faceplate_stand.scad>
+
+
+//! Show all the Gridfinity parts
+module main_assembly()
+    assembly("main") {
+        $manifold = true;
+
+        lathe_tool_stand_stl();
+
+        translate([42, 63])
+            MT2_stand_stl();
+
+        translate([42 * 2, -42 / 2])
+            chuck_stand_stl();
+
+        translate([-21, -42])
+            chuck_jaw_bin_stl();
+
+        translate([21, -42])
+            1x1_bin_stl();
+
+        translate([42 * 4, -42 / 2])
+            123_block_stand_stl();
+
+         translate([42 * 6.5, 0])
+            faceplate_stand_stl();
+    }
+
+
+main_assembly();

examples/MainsBreakOutBox/bom/bom.json

@@ -14,7 +14,8 @@
         "printed": {
             "socket_box.stl": {
                 "count": 1,
-                "colour": "dimgrey"
+                "colour": "dimgrey",
+                "camera": "0,0,0,70,0,315,500"
             }
         },
         "routed": {}
@@ -42,7 +43,8 @@
         "printed": {
             "foot.stl": {
                 "count": 4,
-                "colour": "darkorange"
+                "colour": "darkorange",
+                "camera": "0,0,0,70,0,315,500"
             }
         },
         "routed": {}

examples/MainsBreakOutBox/readme.md

@@ -70,7 +70,7 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 
 ### 3D Printed parts
 
-| 1 x socket_box.stl |
+| 1 x [socket_box.stl](stls/socket_box.stl) |
 |---|
 | ![socket_box.stl](stls/socket_box.png) 
 
@@ -100,7 +100,7 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 
 ### 3D Printed parts
 
-| 4 x foot.stl |
+| 4 x [foot.stl](stls/foot.stl) |
 |---|
 | ![foot.stl](stls/foot.png) 
 

lib.scad

@@ -23,7 +23,7 @@
 include <core.scad>
 
 include <vitamins/psus.scad>
-include <vitamins/pcbs.scad>
+include <vitamins/displays.scad> // Includes pcbs.scad
 
 include <vitamins/antennas.scad>
 include <vitamins/batteries.scad>
@@ -34,13 +34,13 @@ include <vitamins/box_sections.scad>
 include <vitamins/bulldogs.scad>
 include <vitamins/cameras.scad>
 include <vitamins/components.scad>
-include <vitamins/displays.scad>
 include <vitamins/extrusions.scad>
 include <vitamins/extrusion_brackets.scad>
 include <vitamins/fastons.scad>
 include <vitamins/gear_motors.scad>
 include <vitamins/geared_steppers.scad>
 include <vitamins/hot_ends.scad>
+include <vitamins/ht_pipes.scad>
 include <vitamins/inserts.scad>
 include <vitamins/ldrs.scad>
 include <vitamins/leadnuts.scad>

libtest.scad

@@ -25,7 +25,7 @@
 //! STL files for all the printed parts, DXF files for CNC routed parts in a project and a manual containing assembly
 //! instructions and exploded views by scraping markdown embedded in OpenSCAD comments, [see scripts](scripts/readme.md).
 //!
-//! A simple example project can be found [here](examples/MainsBreakOutBox/readme.md).
+//! A simple example project can be found [here](examples/MainsBreakOutBox/readme.md) and more complex examples [here](examples).
 //!
 //! For more examples of what it can make see the [gallery](gallery/readme.md).
 //!
@@ -68,6 +68,7 @@ use <tests/fastons.scad>
 use <tests/fuseholder.scad>
 use <tests/gear_motors.scad>
 use <tests/geared_steppers.scad>
+use <tests/gridfinity.scad>
 use <tests/hot_ends.scad>
 use <tests/IECs.scad>
 use <tests/inserts.scad>
@@ -157,7 +158,7 @@ cable_grommets_y = 0;
 translate([x5, cable_grommets_y])
     cable_grommets();
 
-translate([x5, cable_grommets_y + 30])
+translate([x5, cable_grommets_y + 45])
     led_bezels();
 
 translate([x5 + 50, cable_grommets_y])
@@ -204,7 +205,11 @@ pocket_y = handle_y + 70;
 translate([x5 + 65, pocket_y])
     pocket_handles();
 
-hinge_y = pocket_y + 100;
+gridfinity_y = pocket_y + 100;
+translate([950, gridfinity_y])
+    gridfinity_test();
+
+hinge_y = gridfinity_y + 100;
 translate([x5, hinge_y]) {
     door_hinges()
         door_latches();
@@ -221,7 +226,6 @@ box_y = pbox_y + 150;
 translate([950, box_y])
     box_test();
 
-
 inserts_y = 0;
 nuts_y = inserts_y + 20;
 washers_y = nuts_y + 160;
@@ -366,9 +370,12 @@ components_y = toggles_y + 40;
 translate([x2, leds_y])
     leds();
 
-translate([x2 + 35, leds_y])
+translate([x2 + 55, leds_y])
     ldrs();
 
+translate([x2 + 87, leds_y])
+    fuseholders();
+
 translate([x2 + 8, carriers_y])
     carriers();
 
@@ -378,9 +385,6 @@ translate([x2, magnets_y])
 translate([x2 + 20, carriers_y])
     led_meters();
 
-translate([x2 + 70, leds_y])
-    fuseholders();
-
 translate([x2, spades_y])
     spades();
 
@@ -406,15 +410,17 @@ translate([x2, components_y])
     components();
 
 veroboard_y = 0;
-d_connectors_y = veroboard_y + 110;
-iecs_y = d_connectors_y + 80;
+d_connectors_y = veroboard_y + 120;
+iecs_y = d_connectors_y + 70;
 modules_y = iecs_y + 60;
 ssrs_y = modules_y + 80;
 blowers_y = ssrs_y + 60;
-hot_ends_y = blowers_y + 100;
-batteries_y = hot_ends_y + 55;
+hot_ends_y = blowers_y + 90;
+batteries_y = hot_ends_y + 65;
 panel_meters_y = batteries_y + 70;
 extrusions_y = panel_meters_y + 130;
+box_sections_y = extrusions_y + 70;
+
 
 translate([x3, veroboard_y])
     veroboard_test();
@@ -425,10 +431,10 @@ translate([x3 + 50, veroboard_y + 20])
 translate([x3 + 160, ssrs_y])
     pcb_mounts();
 
-translate([x3 + 145, veroboard_y + 16])
+translate([x3 + 145, veroboard_y])
     cameras();
 
-translate([x3 + 145, d_connectors_y - 10])
+translate([x3 + 145, veroboard_y + 45])
     camera_housings();
 
 translate([x3, d_connectors_y])
@@ -458,7 +464,7 @@ translate([x3, ssrs_y]) {
 translate([x3, blowers_y])
     blowers();
 
-translate([x3, batteries_y])
+translate([x2, batteries_y])
     batteries();
 
 translate([x3 + 10, hot_ends_y])
@@ -467,9 +473,12 @@ translate([x3 + 10, hot_ends_y])
 translate([x2, panel_meters_y])
     panel_meters();
 
-translate([x2, extrusions_y])
+translate([x2 - 15, extrusions_y])
     extrusions();
 
+translate([x2, box_sections_y])
+    box_sections();
+
 translate([370, transformers_y])
     transformers();
 
@@ -486,7 +495,6 @@ extrusion_brackets_y = rails_y + 250;
 sk_brackets_y = extrusion_brackets_y + 80;
 kp_pillow_blocks_y = sk_brackets_y + 60;
 bearing_blocks_y = kp_pillow_blocks_y + 60;
-box_sections_y = batteries_y;
 BLDC_y = bearing_blocks_y + 180;
 pot_y = bearing_blocks_y;
 cable_strip_y = sheets_y + 30;
@@ -538,8 +546,5 @@ translate([x4, BLDC_y])
 translate([x4, pot_y])
     potentiometers();
 
-translate([x2, box_sections_y])
-    box_sections();
-
 translate([x6, 125])
     light_strips();

printed/gridfinity.scad

@@ -0,0 +1,104 @@
+//
+// NopSCADlib Copyright Chris Palmer 2024
+// 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/>.
+//
+
+//
+//! Generate storage bins compatible with Zack Freedman's Gridfinity design, see <https://www.youtube.com/watch?v=ra_9zU-mnl8&t=37s>
+//!
+//! Based on <https://gridfinity.xyz/specification>
+//!
+//! More examples [here](examples/Gridfinity).
+//
+include <../core.scad>
+use <../utils/rounded_cylinder.scad>
+
+pitch = 42;
+z_step = 7;
+width = 41.5;
+
+foot_w = 37.2;
+foot_h = 1.8;
+
+lower_chamfer = 0.8;
+upper_chamfer = 2.15;
+
+corner_r  = 7.5 / 2;
+foot_r    = 3.2 / 2;
+chamfer_r = 1.6 / 2;
+
+function gridfinity_bin(name, grid_x, grid_y, grid_z) = [name, [grid_x, grid_y, grid_z], lower_chamfer]; //! Constructor
+
+function gridfinity_bin_name(type)          = type[0]; //! Name for the STL file
+function gridfinity_bin_size(type)          = type[1]; //! Size in grid units
+
+function gridfinity_base_z() = foot_h + lower_chamfer + upper_chamfer; //! height of base
+function gridfinity_corner_r() = corner_r; //! Outside corner radius
+
+function gridfinity_bin_size_mm(type) = //! Overall size of the bin
+    let(s = gridfinity_bin_size(type))
+        [(s.x - 1) * pitch + width, (s.y - 1) * pitch + width, s.z * z_step];
+
+module gridfinity_bin(type) { //! Create a gridfinity bin, bits to cut out are passed as a child
+    size = gridfinity_bin_size(type);
+    w1 = width - 2 * (lower_chamfer + upper_chamfer);
+    w2 = width - 2 * upper_chamfer;
+
+    stl(gridfinity_bin_name(type)) {
+        translate([-(size.x - 1) / 2 * pitch, -(size.y - 1) / 2 * pitch])
+            for(x = [0 : size.x - 1], y = [0 : size.y - 1])
+                translate([x * pitch, y * pitch]) {
+                    hull() {
+                        rounded_rectangle([w1, w1, eps], chamfer_r);
+
+                        translate_z(lower_chamfer)
+                            rounded_rectangle([w2, w2, foot_h + eps], foot_r);
+                    }
+
+                    hull() {
+                        translate_z(lower_chamfer + foot_h)
+                            rounded_rectangle([w2, w2, foot_h + eps], foot_r);
+
+                        translate_z(lower_chamfer + foot_h + upper_chamfer)
+                            rounded_rectangle([width, width, eps], corner_r);
+                    }
+                }
+
+        difference() {
+            base_z = gridfinity_base_z();
+            translate_z(base_z)
+                rounded_rectangle([(size.x - 1) * pitch + width, (size.y - 1) * pitch + width, size.z * z_step - base_z], corner_r);
+
+            if($children)
+                children(0);
+        }
+    }
+}
+
+module gridfinity_partition(type, cols = 1, rows = 1, wall = 1.6, iwall = squeezed_wall, bwall = 1, corner_r = 4) { //! Passed as child to hollow out specified partitions
+    size = gridfinity_bin_size_mm(type);
+    wx = (size.x - 2 * wall - (cols - 1) * iwall) / cols;
+    wy = (size.y - 2 * wall - (rows - 1) * iwall) / rows;
+    h = size.z - gridfinity_base_z() - bwall;
+
+    for(x = [0 : cols - 1], y = [0 : rows - 1])
+        translate([-size.x / 2 + wall + x * (wx + iwall) + wx / 2,
+                   -size.y / 2 + wall + y * (wy + iwall) + wy / 2,
+                   size.z + eps])
+        vflip()
+            rounded_top_rectangle([wx, wy, h + eps], corner_r, corner_r);
+}

printed/led_bezel.scad

@@ -40,32 +40,72 @@ function led_bezel_hole_r(type)   =     //! Panel hole radius
 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
+        if(is_num(led_diameter(led))) {
+            rl = led_diameter(led) / 2;
+            rr = led_rim_dia(led) / 2;
+            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
+        }
+        else {
+            linear_extrude(led_bezel_flange_t(type))        // Flange
+                difference() {
+                    offset(wall + led_bezel_flange(type))
+                        square(led_rim_dia(led), true);
+
+                    square(led_diameter(led), true);
+                }
+
+            linear_extrude(led_height(led) - led_rim_t(led)) // Tube up to the LED flange
+                difference() {
+                    offset(wall)
+                        square(led_diameter(led), true);
+
+                    square(led_diameter(led), true);
+                }
+
+            linear_extrude(led_bezel_height(type)) // Tube beyond the LED flange
+                difference() {
+                    offset(wall)
+                        square(led_rim_dia(led), true);
+
+                    square(led_rim_dia(led), true);
+                }
+        }
     }
 }
 
 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);
+        wall = led_bezel_wall(type);
+        if(is_num(led_diameter(led))) {
+             ir =  led_bezel_r(type);
+             poly_tube(or = ir + wall, ir = ir, h = 4);
+        }
+        else
+            linear_extrude(4)
+                difference() {
+                    offset(2 * wall)
+                        square(led_rim_dia(led), true);
+
+                    offset(wall)
+                        square(led_rim_dia(led), true);
+                }
     }
 }
 
 module led_bezel_assembly(type, colour = "red") {//! Led bezel with LED
     led = led_bezel_led(type);
+    d = led_diameter(led);
     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)
+            translate_z(-led_height(led) + (is_num(d) ? d / 2 : 0))
                 explode(-20)
                     led(led, colour);
         }

readme.md

@@ -6,7 +6,7 @@ There are also Python scripts to generate Bills of Materials (BOMs),
 STL files for all the printed parts, DXF files for CNC routed parts in a project and a manual containing assembly
 instructions and exploded views by scraping markdown embedded in OpenSCAD comments, [see scripts](scripts/readme.md).
 
-A simple example project can be found [here](examples/MainsBreakOutBox/readme.md).
+A simple example project can be found [here](examples/MainsBreakOutBox/readme.md) and more complex examples [here](examples).
 
 For more examples of what it can make see the [gallery](gallery/readme.md).
 
@@ -24,33 +24,33 @@ A list of changes classified as breaking, additions or fixes is maintained in [C
 <tr><td> <a href = "#7_segments">7_segments</a> </td><td> <a href = "#iecs">IECs</a> </td><td> <a href = "#radials">Radials</a> </td><td> <a href = "#box">Box</a> </td><td> <a href = "#annotation">Annotation</a> </td><td> <a href = "#bom">BOM</a> </td></tr>
 <tr><td> <a href = "#antennas">Antennas</a> </td><td> <a href = "#inserts">Inserts</a> </td><td> <a href = "#rails">Rails</a> </td><td> <a href = "#butt_box">Butt_box</a> </td><td> <a href = "#bezier">Bezier</a> </td><td> <a href = "#clip">Clip</a> </td></tr>
 <tr><td> <a href = "#axials">Axials</a> </td><td> <a href = "#jack">Jack</a> </td><td> <a href = "#ring_terminals">Ring_terminals</a> </td><td> <a href = "#cable_clip">Cable_clip</a> </td><td> <a href = "#catenary">Catenary</a> </td><td> <a href = "#global">Global</a> </td></tr>
-<tr><td> <a href = "#bldc_motors">BLDC_motors</a> </td><td> <a href = "#ldrs">LDRs</a> </td><td> <a href = "#rockers">Rockers</a> </td><td> <a href = "#cable_grommets">Cable_grommets</a> </td><td> <a href = "#core_xy">Core_xy</a> </td><td> <a href = "#polyholes">Polyholes</a> </td></tr>
-<tr><td> <a href = "#ball_bearings">Ball_bearings</a> </td><td> <a href = "#led_meters">LED_meters</a> </td><td> <a href = "#rod">Rod</a> </td><td> <a href = "#camera_housing">Camera_housing</a> </td><td> <a href = "#dogbones">Dogbones</a> </td><td> <a href = "#rounded_rectangle">Rounded_rectangle</a> </td></tr>
-<tr><td> <a href = "#batteries">Batteries</a> </td><td> <a href = "#leds">LEDs</a> </td><td> <a href = "#rod_ends">Rod_ends</a> </td><td> <a href = "#carriers">Carriers</a> </td><td> <a href = "#fillet">Fillet</a> </td><td> <a href = "#sphere">Sphere</a> </td></tr>
-<tr><td> <a href = "#bearing_blocks">Bearing_blocks</a> </td><td> <a href = "#leadnuts">Leadnuts</a> </td><td> <a href = "#sbr_rails">SBR_rails</a> </td><td> <a href = "#corner_block">Corner_block</a> </td><td> <a href = "#gears">Gears</a> </td><td> <a href = "#teardrops">Teardrops</a> </td></tr>
-<tr><td> <a href = "#belts">Belts</a> </td><td> <a href = "#light_strips">Light_strips</a> </td><td> <a href = "#sk_brackets">SK_brackets</a> </td><td> <a href = "#door_hinge">Door_hinge</a> </td><td> <a href = "#hanging_hole">Hanging_hole</a> </td><td></td></tr>
-<tr><td> <a href = "#blowers">Blowers</a> </td><td> <a href = "#linear_bearings">Linear_bearings</a> </td><td> <a href = "#smds">SMDs</a> </td><td> <a href = "#door_latch">Door_latch</a> </td><td> <a href = "#horiholes">Horiholes</a> </td><td></td></tr>
-<tr><td> <a href = "#box_sections">Box_sections</a> </td><td> <a href = "#magnets">Magnets</a> </td><td> <a href = "#ssrs">SSRs</a> </td><td> <a href = "#drag_chain">Drag_chain</a> </td><td> <a href = "#layout">Layout</a> </td><td></td></tr>
-<tr><td> <a href = "#bulldogs">Bulldogs</a> </td><td> <a href = "#mains_sockets">Mains_sockets</a> </td><td> <a href = "#screws">Screws</a> </td><td> <a href = "#fan_guard">Fan_guard</a> </td><td> <a href = "#maths">Maths</a> </td><td></td></tr>
-<tr><td> <a href = "#buttons">Buttons</a> </td><td> <a href = "#microswitches">Microswitches</a> </td><td> <a href = "#sealing_strip">Sealing_strip</a> </td><td> <a href = "#fixing_block">Fixing_block</a> </td><td> <a href = "#offset">Offset</a> </td><td></td></tr>
-<tr><td> <a href = "#cable_strips">Cable_strips</a> </td><td> <a href = "#microview">Microview</a> </td><td> <a href = "#servo_motors">Servo_motors</a> </td><td> <a href = "#flat_hinge">Flat_hinge</a> </td><td> <a href = "#pcb_utils">PCB_utils</a> </td><td></td></tr>
-<tr><td> <a href = "#cameras">Cameras</a> </td><td> <a href = "#modules">Modules</a> </td><td> <a href = "#shaft_couplings">Shaft_couplings</a> </td><td> <a href = "#foot">Foot</a> </td><td> <a href = "#quadrant">Quadrant</a> </td><td></td></tr>
-<tr><td> <a href = "#circlips">Circlips</a> </td><td> <a href = "#nuts">Nuts</a> </td><td> <a href = "#sheets">Sheets</a> </td><td> <a href = "#handle">Handle</a> </td><td> <a href = "#round">Round</a> </td><td></td></tr>
-<tr><td> <a href = "#components">Components</a> </td><td> <a href = "#o_ring">O_ring</a> </td><td> <a href = "#spades">Spades</a> </td><td> <a href = "#knob">Knob</a> </td><td> <a href = "#rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
-<tr><td> <a href = "#dip">DIP</a> </td><td> <a href = "#opengrab">Opengrab</a> </td><td> <a href = "#spools">Spools</a> </td><td> <a href = "#led_bezel">LED_bezel</a> </td><td> <a href = "#rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
-<tr><td> <a href = "#d_connectors">D_connectors</a> </td><td> <a href = "#pcb">PCB</a> </td><td> <a href = "#springs">Springs</a> </td><td> <a href = "#pcb_mount">PCB_mount</a> </td><td> <a href = "#rounded_triangle">Rounded_triangle</a> </td><td></td></tr>
-<tr><td> <a href = "#displays">Displays</a> </td><td> <a href = "#pcbs">PCBs</a> </td><td> <a href = "#stepper_motors">Stepper_motors</a> </td><td> <a href = "#psu_shroud">PSU_shroud</a> </td><td> <a href = "#sector">Sector</a> </td><td></td></tr>
-<tr><td> <a href = "#extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#psus">PSUs</a> </td><td> <a href = "#swiss_clips">Swiss_clips</a> </td><td> <a href = "#pocket_handle">Pocket_handle</a> </td><td> <a href = "#splines">Splines</a> </td><td></td></tr>
-<tr><td> <a href = "#extrusions">Extrusions</a> </td><td> <a href = "#panel_meters">Panel_meters</a> </td><td> <a href = "#terminals">Terminals</a> </td><td> <a href = "#press_fit">Press_fit</a> </td><td> <a href = "#sweep">Sweep</a> </td><td></td></tr>
-<tr><td> <a href = "#fans">Fans</a> </td><td> <a href = "#photo_interrupters">Photo_interrupters</a> </td><td> <a href = "#toggles">Toggles</a> </td><td> <a href = "#printed_box">Printed_box</a> </td><td> <a href = "#thread">Thread</a> </td><td></td></tr>
-<tr><td> <a href = "#fastons">Fastons</a> </td><td> <a href = "#pillars">Pillars</a> </td><td> <a href = "#transformers">Transformers</a> </td><td> <a href = "#printed_pulleys">Printed_pulleys</a> </td><td> <a href = "#tube">Tube</a> </td><td></td></tr>
-<tr><td> <a href = "#fuseholder">Fuseholder</a> </td><td> <a href = "#pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#ttracks">Ttracks</a> </td><td> <a href = "#ribbon_clamp">Ribbon_clamp</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#gear_motors">Gear_motors</a> </td><td> <a href = "#pin_headers">Pin_headers</a> </td><td> <a href = "#tubings">Tubings</a> </td><td> <a href = "#ssr_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#geared_steppers">Geared_steppers</a> </td><td> <a href = "#potentiometers">Potentiometers</a> </td><td> <a href = "#variacs">Variacs</a> </td><td> <a href = "#screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#green_terminals">Green_terminals</a> </td><td> <a href = "#pulleys">Pulleys</a> </td><td> <a href = "#veroboard">Veroboard</a> </td><td> <a href = "#socket_box">Socket_box</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#hot_ends">Hot_ends</a> </td><td></td><td> <a href = "#washers">Washers</a> </td><td> <a href = "#strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#hygrometer">Hygrometer</a> </td><td></td><td> <a href = "#wire">Wire</a> </td><td></td><td></td><td></td></tr>
-<tr><td></td><td></td><td> <a href = "#zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#bldc_motors">BLDC_motors</a> </td><td> <a href = "#ldrs">LDRs</a> </td><td> <a href = "#rockers">Rockers</a> </td><td> <a href = "#cable_grommets">Cable_grommets</a> </td><td> <a href = "#chamfer">Chamfer</a> </td><td> <a href = "#polyholes">Polyholes</a> </td></tr>
+<tr><td> <a href = "#ball_bearings">Ball_bearings</a> </td><td> <a href = "#led_meters">LED_meters</a> </td><td> <a href = "#rod">Rod</a> </td><td> <a href = "#camera_housing">Camera_housing</a> </td><td> <a href = "#core_xy">Core_xy</a> </td><td> <a href = "#rounded_rectangle">Rounded_rectangle</a> </td></tr>
+<tr><td> <a href = "#batteries">Batteries</a> </td><td> <a href = "#leds">LEDs</a> </td><td> <a href = "#rod_ends">Rod_ends</a> </td><td> <a href = "#carriers">Carriers</a> </td><td> <a href = "#dimension">Dimension</a> </td><td> <a href = "#sphere">Sphere</a> </td></tr>
+<tr><td> <a href = "#bearing_blocks">Bearing_blocks</a> </td><td> <a href = "#leadnuts">Leadnuts</a> </td><td> <a href = "#sbr_rails">SBR_rails</a> </td><td> <a href = "#corner_block">Corner_block</a> </td><td> <a href = "#dogbones">Dogbones</a> </td><td> <a href = "#teardrops">Teardrops</a> </td></tr>
+<tr><td> <a href = "#belts">Belts</a> </td><td> <a href = "#light_strips">Light_strips</a> </td><td> <a href = "#sk_brackets">SK_brackets</a> </td><td> <a href = "#door_hinge">Door_hinge</a> </td><td> <a href = "#fillet">Fillet</a> </td><td></td></tr>
+<tr><td> <a href = "#blowers">Blowers</a> </td><td> <a href = "#linear_bearings">Linear_bearings</a> </td><td> <a href = "#smds">SMDs</a> </td><td> <a href = "#door_latch">Door_latch</a> </td><td> <a href = "#gears">Gears</a> </td><td></td></tr>
+<tr><td> <a href = "#box_sections">Box_sections</a> </td><td> <a href = "#magnets">Magnets</a> </td><td> <a href = "#ssrs">SSRs</a> </td><td> <a href = "#drag_chain">Drag_chain</a> </td><td> <a href = "#hanging_hole">Hanging_hole</a> </td><td></td></tr>
+<tr><td> <a href = "#bulldogs">Bulldogs</a> </td><td> <a href = "#mains_sockets">Mains_sockets</a> </td><td> <a href = "#screws">Screws</a> </td><td> <a href = "#fan_guard">Fan_guard</a> </td><td> <a href = "#horiholes">Horiholes</a> </td><td></td></tr>
+<tr><td> <a href = "#buttons">Buttons</a> </td><td> <a href = "#microswitches">Microswitches</a> </td><td> <a href = "#sealing_strip">Sealing_strip</a> </td><td> <a href = "#fixing_block">Fixing_block</a> </td><td> <a href = "#layout">Layout</a> </td><td></td></tr>
+<tr><td> <a href = "#cable_strips">Cable_strips</a> </td><td> <a href = "#microview">Microview</a> </td><td> <a href = "#servo_motors">Servo_motors</a> </td><td> <a href = "#flat_hinge">Flat_hinge</a> </td><td> <a href = "#maths">Maths</a> </td><td></td></tr>
+<tr><td> <a href = "#cameras">Cameras</a> </td><td> <a href = "#modules">Modules</a> </td><td> <a href = "#shaft_couplings">Shaft_couplings</a> </td><td> <a href = "#foot">Foot</a> </td><td> <a href = "#offset">Offset</a> </td><td></td></tr>
+<tr><td> <a href = "#circlips">Circlips</a> </td><td> <a href = "#nuts">Nuts</a> </td><td> <a href = "#sheets">Sheets</a> </td><td> <a href = "#gridfinity">Gridfinity</a> </td><td> <a href = "#pcb_utils">PCB_utils</a> </td><td></td></tr>
+<tr><td> <a href = "#components">Components</a> </td><td> <a href = "#o_ring">O_ring</a> </td><td> <a href = "#spades">Spades</a> </td><td> <a href = "#handle">Handle</a> </td><td> <a href = "#quadrant">Quadrant</a> </td><td></td></tr>
+<tr><td> <a href = "#dip">DIP</a> </td><td> <a href = "#opengrab">Opengrab</a> </td><td> <a href = "#spools">Spools</a> </td><td> <a href = "#knob">Knob</a> </td><td> <a href = "#round">Round</a> </td><td></td></tr>
+<tr><td> <a href = "#d_connectors">D_connectors</a> </td><td> <a href = "#pcb">PCB</a> </td><td> <a href = "#springs">Springs</a> </td><td> <a href = "#led_bezel">LED_bezel</a> </td><td> <a href = "#rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
+<tr><td> <a href = "#displays">Displays</a> </td><td> <a href = "#pcbs">PCBs</a> </td><td> <a href = "#stepper_motors">Stepper_motors</a> </td><td> <a href = "#pcb_mount">PCB_mount</a> </td><td> <a href = "#rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
+<tr><td> <a href = "#extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#psus">PSUs</a> </td><td> <a href = "#swiss_clips">Swiss_clips</a> </td><td> <a href = "#psu_shroud">PSU_shroud</a> </td><td> <a href = "#rounded_triangle">Rounded_triangle</a> </td><td></td></tr>
+<tr><td> <a href = "#extrusions">Extrusions</a> </td><td> <a href = "#panel_meters">Panel_meters</a> </td><td> <a href = "#terminals">Terminals</a> </td><td> <a href = "#pocket_handle">Pocket_handle</a> </td><td> <a href = "#sector">Sector</a> </td><td></td></tr>
+<tr><td> <a href = "#fans">Fans</a> </td><td> <a href = "#photo_interrupters">Photo_interrupters</a> </td><td> <a href = "#toggles">Toggles</a> </td><td> <a href = "#press_fit">Press_fit</a> </td><td> <a href = "#splines">Splines</a> </td><td></td></tr>
+<tr><td> <a href = "#fastons">Fastons</a> </td><td> <a href = "#pillars">Pillars</a> </td><td> <a href = "#transformers">Transformers</a> </td><td> <a href = "#printed_box">Printed_box</a> </td><td> <a href = "#sweep">Sweep</a> </td><td></td></tr>
+<tr><td> <a href = "#fuseholder">Fuseholder</a> </td><td> <a href = "#pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#ttracks">Ttracks</a> </td><td> <a href = "#printed_pulleys">Printed_pulleys</a> </td><td> <a href = "#thread">Thread</a> </td><td></td></tr>
+<tr><td> <a href = "#gear_motors">Gear_motors</a> </td><td> <a href = "#pin_headers">Pin_headers</a> </td><td> <a href = "#tubings">Tubings</a> </td><td> <a href = "#ribbon_clamp">Ribbon_clamp</a> </td><td> <a href = "#tube">Tube</a> </td><td></td></tr>
+<tr><td> <a href = "#geared_steppers">Geared_steppers</a> </td><td> <a href = "#potentiometers">Potentiometers</a> </td><td> <a href = "#variacs">Variacs</a> </td><td> <a href = "#ssr_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#green_terminals">Green_terminals</a> </td><td> <a href = "#pulleys">Pulleys</a> </td><td> <a href = "#veroboard">Veroboard</a> </td><td> <a href = "#screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#ht_pipes">HT_pipes</a> </td><td></td><td> <a href = "#washers">Washers</a> </td><td> <a href = "#socket_box">Socket_box</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#hot_ends">Hot_ends</a> </td><td></td><td> <a href = "#wire">Wire</a> </td><td> <a href = "#strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#hygrometer">Hygrometer</a> </td><td></td><td> <a href = "#zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
 </table>
 
 ---
@@ -275,6 +275,7 @@ exposing enough information to make a battery box.
 | `battery_neg_dia(type)` | Negative terminal diameter |
 | `battery_pos_dia(type)` | Positive terminal diameter |
 | `battery_pos_height(type)` | Positive terminal height above the casing |
+| `battery_type(type)` | Battery type |
 | `battery_usb_offset(type)` | USB connector offset from the top |
 | `contact_height(type)` | Height of the flat part |
 | `contact_neg(type)` | Negative spring height above the plate when compressed and the spring type |
@@ -296,8 +297,8 @@ exposing enough information to make a battery box.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   7 | `battery_contact(bcontact, false)` |  Battery negative contact |
-|   7 | `battery_contact(bcontact, true)` |  Battery positive contact |
+|  10 | `battery_contact(bcontact, false)` |  Battery negative contact |
+|  10 | `battery_contact(bcontact, true)` |  Battery positive contact |
 |   1 | `battery(A23CELL)` |  Cell A23 12v |
 |   1 | `battery(AACELL)` |  Cell AA |
 |   1 | `battery(AAACELL)` |  Cell AAA |
@@ -305,6 +306,9 @@ exposing enough information to make a battery box.
 |   1 | `battery(DCELL)` |  Cell D |
 |   1 | `battery(LUMINTOP)` |  Cell LUMINTOP 18650 LION with charger |
 |   1 | `battery(S25R18650)` |  Cell Samsung 25R 18650 LION |
+|   1 | `battery(L16340)` |  Li-Ion/LiFePo4 16340 3.2v |
+|   1 | `battery(L32700)` |  Li-Ion/LiFePo4 32700 3.2v |
+|   1 | `battery(L4680)` |  Li-Ion/LiFePo4 4680 3.2v |
 
 
 <a href="#top">Top</a>
@@ -1102,7 +1106,7 @@ LCD displays.
 |   1 | `display(BigTreeTech_TFT35v3_0)` |  BigTreeTech TFT35 v3.0 |
 |   1 | `display(HDMI5)` |  HDMI display 5" |
 |   1 | `display(TFT128x160)` |  LCD TFT ST7735 display 128x160 |
-|   1 | `display(LCD1602A)` |  LCD display 1602A |
+|   2 | `display(LCD1602A)` |  LCD display 1602A |
 |   1 | `display(LCD2004A)` |  LCD display 2004A |
 |   1 | `display(LCDS7282B)` |  LCD display S-7282B |
 |   1 | `display(SSD1963_4p3)` |  LCD display SSD1963 4.3" |
@@ -1124,6 +1128,19 @@ Brackets for joining extrusions at a corner.
 ### Properties
 | Function | Description |
 |:--- |:--- |
+| `extrusion_corner_bracket_3D_inner_height(type)` | The depth offset of the dip in the cuboid |
+| `extrusion_corner_bracket_3D_inner_side_length(type)` | The length of the dip in the cuboid sides |
+| `extrusion_corner_bracket_3D_nut_dia(type)` | The width of bottom part of the nut |
+| `extrusion_corner_bracket_3D_nut_nyloc_thickness(type)` | The total thickness of the nut |
+| `extrusion_corner_bracket_3D_nut_screw(type)` | The screw (most likely Mx_grub_screw from <NopSCADlib/vitamins/screws.scad>) |
+| `extrusion_corner_bracket_3D_nut_screws_hor(type)` | The positions of the screw holes on the horizontal arms, expressed in %/100 of the nut arm |
+| `extrusion_corner_bracket_3D_nut_screws_ver(type)` | The positions of the screw holes on the vertical arms, expressed in %/100 of the nut arm |
+| `extrusion_corner_bracket_3D_nut_sx(type)` | The length of the nuts |
+| `extrusion_corner_bracket_3D_nut_thickness(type)` | The thickness of the top part of the nut |
+| `extrusion_corner_bracket_3D_nut_ty1(type)` | The total width of the nut |
+| `extrusion_corner_bracket_3D_nut_ty2(type)` | The width of the top edge of the nut |
+| `extrusion_corner_bracket_3D_outer_height(type)` | The height of the cuboid |
+| `extrusion_corner_bracket_3D_outer_side_length(type)` | The length of the base cuboid sides |
 | `extrusion_corner_bracket_base_thickness(type)` | Thickness of base of bracket |
 | `extrusion_corner_bracket_extrusion(type)` | Default extrusion this bracket is for |
 | `extrusion_corner_bracket_hole_offset(type)` | Hole offset from corner |
@@ -1135,12 +1152,20 @@ Brackets for joining extrusions at a corner.
 | `extrusion_inner_corner_bracket_size(type)` | Size of inner bracket |
 | `extrusion_inner_corner_bracket_tnut(type)` | The sliding t-nut it is based on |
 
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `extrusion_corner_bracket_3D_get_x_offset(type)` | helper function to position the x beam |
+| `extrusion_corner_bracket_3D_get_x_rot(type)` | helper function to rotate the y beam |
+| `extrusion_corner_bracket_3D_get_y_offset(type)` | helper function to position the y beam |
+| `extrusion_corner_bracket_3D_get_y_rot(type)` | helper function to rotate the y beam |
+
 ### Modules
 | Module | Description |
 |:--- |:--- |
 | `extrusion_corner_bracket(type)` | Corner bracket for extrusion |
+| `extrusion_corner_bracket_3D(type, grub_screws = true)` | draw the specified extrusion_corner_bracket_3D |
 | `extrusion_corner_bracket_assembly(type, part_thickness = undef, screw_type = undef, nut_type = undef, max_screw_depth = undef, extrusion = undef)` | Assembly with fasteners in place |
-| `extrusion_corner_bracket_hole_positions(type)` | Place children at hole positions |
 | `extrusion_inner_corner_bracket(type, grub_screws = true, backwards = false, extrusion = undef)` | Inner corner bracket for extrusion |
 
 ![extrusion_brackets](tests/png/extrusion_brackets.png)
@@ -1148,21 +1173,30 @@ Brackets for joining extrusions at a corner.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   3 | `extrusion(E2020, 40, cornerHole = true)` |  Extrusion E2020 x 40mm |
 |   2 | `extrusion(E2020t, 20.5)` |  Extrusion E2020t x 20.5mm |
 |   1 | `extrusion(E2020t, 28)` |  Extrusion E2020t x 28mm |
 |   2 | `extrusion(E2020t, 39.5)` |  Extrusion E2020t x 39.5mm |
 |   1 | `extrusion(E2020t, 48)` |  Extrusion E2020t x 48mm |
+|   3 | `extrusion(E3030, 40, cornerHole = true)` |  Extrusion E3030 x 40mm |
+|   3 | `extrusion(E4040, 40, cornerHole = true)` |  Extrusion E4040 x 40mm |
 |   1 | `extrusion(E4040t, 27.4, cornerHole = true)` |  Extrusion E4040t x 27.4mm |
 |   1 | `extrusion(E4040t, 40, cornerHole = true)` |  Extrusion E4040t x 40mm |
 |   1 | `extrusion(E4040t, 60.4, cornerHole = true)` |  Extrusion E4040t x 60.4mm |
 |   1 | `extrusion(E4040t, 80, cornerHole = true)` |  Extrusion E4040t x 80mm |
 |   2 | `extrusion_corner_bracket(E20_corner_bracket)` |  Extrusion corner bracket 20mm for E2020t |
 |   2 | `extrusion_corner_bracket(E40_corner_bracket)` |  Extrusion corner bracket 35mm for E4040t |
+|   2 | `extrusion_corner_bracket_3D(extrusion_corner_bracket_3D_2020)` |  Extrusion corner bracket 3D mm for E2020 |
+|   2 | `extrusion_corner_bracket_3D(extrusion_corner_bracket_3D_3030)` |  Extrusion corner bracket 3D mm for E3030 |
+|   2 | `extrusion_corner_bracket_3D(extrusion_corner_bracket_3D_4040)` |  Extrusion corner bracket 3D mm for E4040 |
 |   4 | `extrusion_inner_corner_bracket(E20_inner_corner_bracket)` |  Extrusion inner corner bracket for E2020t |
 |   2 | `extrusion_inner_corner_bracket(E40_inner_corner_bracket)` |  Extrusion inner corner bracket for E4040t |
 |   4 | `sliding_t_nut(M4_sliding_t_nut)` |  Nut M4 sliding T |
 |   4 | `sliding_t_nut(M8_sliding_ball_t_nut)` |  Nut M8 sliding T with spring loaded ball |
 |   4 | `screw(M4_cap_screw, 8)` |  Screw M4 cap x  8mm |
+|  12 | `screw(M4_grub_screw, 5)` |  Screw M4 grub x  5mm |
+|  20 | `screw(M6_grub_screw, 6.2)` |  Screw M6 grub x  6.2mm |
+|  20 | `screw(M6_grub_screw, 9.5)` |  Screw M6 grub x  9.5mm |
 |   4 | `screw(M8_cap_screw, 12)` |  Screw M8 cap x 12mm |
 |   4 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 |   4 | `washer(M8_washer)` |  Washer  M8 x 17mm x 1.6mm |
@@ -1206,24 +1240,26 @@ Aluminium  extrusion.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `extrusion(type, length, center = true, cornerHole = false)` | Draw the specified extrusion |
+| `extrusion(type, length, center = true, cornerHole = true)` | Draw the specified extrusion |
 
 ![extrusions](tests/png/extrusions.png)
 
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   1 | `extrusion(E1515, 80)` |  Extrusion E1515 x 80mm |
-|   1 | `extrusion(E2020, 80)` |  Extrusion E2020 x 80mm |
-|   1 | `extrusion(E2020t, 80)` |  Extrusion E2020t x 80mm |
-|   1 | `extrusion(E2040, 80)` |  Extrusion E2040 x 80mm |
-|   1 | `extrusion(E2060, 80)` |  Extrusion E2060 x 80mm |
-|   1 | `extrusion(E2080, 80)` |  Extrusion E2080 x 80mm |
+|   1 | `extrusion(E1515, 80, cornerHole = true)` |  Extrusion E1515 x 80mm |
+|   1 | `extrusion(E2020, 80, cornerHole = true)` |  Extrusion E2020 x 80mm |
+|   1 | `extrusion(E2020t, 80, cornerHole = true)` |  Extrusion E2020t x 80mm |
+|   1 | `extrusion(E2040, 80, cornerHole = true)` |  Extrusion E2040 x 80mm |
+|   1 | `extrusion(E2060, 80, cornerHole = true)` |  Extrusion E2060 x 80mm |
+|   1 | `extrusion(E2080, 80, cornerHole = true)` |  Extrusion E2080 x 80mm |
 |   1 | `extrusion(E3030, 80, cornerHole = true)` |  Extrusion E3030 x 80mm |
 |   1 | `extrusion(E3060, 80, cornerHole = true)` |  Extrusion E3060 x 80mm |
 |   1 | `extrusion(E4040, 80, cornerHole = true)` |  Extrusion E4040 x 80mm |
 |   1 | `extrusion(E4040t, 80, cornerHole = true)` |  Extrusion E4040t x 80mm |
 |   1 | `extrusion(E4080, 80, cornerHole = true)` |  Extrusion E4080 x 80mm |
+|   1 | `extrusion(Makerbeam, 80, cornerHole = true)` |  Extrusion Makerbeam x 80mm |
+|   1 | `extrusion(MakerbeamXL, 80, cornerHole = true)` |  Extrusion MakerbeamXL x 80mm |
 
 
 <a href="#top">Top</a>
@@ -1591,6 +1627,99 @@ Needs updating as mostly obsolete versions.
 |   4 | `ziptie(small_ziptie)` |  Ziptie 2.5mm x 100mm min length |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="ht_pipes"></a>
+## HT_pipes
+Parametric PVC HT water pipes commonly found in hardware stores around germany. Great for building weather proof cases for IoT things.
+
+[vitamins/ht_pipes.scad](vitamins/ht_pipes.scad) Object definitions.
+
+[vitamins/ht_pipe.scad](vitamins/ht_pipe.scad) Implementation.
+
+[tests/HT_pipes.scad](tests/HT_pipes.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `pipe_length(type)` | Pipe length |
+| `pipe_od(type)` | Outside diameter |
+| `pipe_td(type)` | T-Pipe diameter |
+| `pipe_wall(type)` | Wall thickness |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `ht_cap(type)` | Draw specified cap |
+| `ht_pipe(type)` | Draw specified pipe |
+| `ht_tpipe(type)` | Draw specified T-pipe |
+
+![ht_pipes](tests/png/ht_pipes.png)
+
+### Vitamins
+| Qty | Module call | BOM entry |
+| ---:|:--- |:---|
+|   1 | `ht_cap(HT_110_cap)` |  PVC Waterpipe - HT 110 cap |
+|   1 | `ht_pipe(HT_110_pipe_1000)` |  PVC Waterpipe - HT 110 pipe 1000 mm |
+|   1 | `ht_pipe(HT_110_pipe_150)` |  PVC Waterpipe - HT 110 pipe 150 mm |
+|   1 | `ht_pipe(HT_110_pipe_1500)` |  PVC Waterpipe - HT 110 pipe 1500 mm |
+|   1 | `ht_pipe(HT_110_pipe_2000)` |  PVC Waterpipe - HT 110 pipe 2000 mm |
+|   1 | `ht_pipe(HT_110_pipe_250)` |  PVC Waterpipe - HT 110 pipe 250 mm |
+|   1 | `ht_pipe(HT_110_pipe_500)` |  PVC Waterpipe - HT 110 pipe 500 mm |
+|   1 | `ht_cap(HT_125_cap)` |  PVC Waterpipe - HT 125 cap |
+|   1 | `ht_pipe(HT_125_pipe_1000)` |  PVC Waterpipe - HT 125 pipe 1000 mm |
+|   1 | `ht_pipe(HT_125_pipe_150)` |  PVC Waterpipe - HT 125 pipe 150 mm |
+|   1 | `ht_pipe(HT_125_pipe_1500)` |  PVC Waterpipe - HT 125 pipe 1500 mm |
+|   1 | `ht_pipe(HT_125_pipe_2000)` |  PVC Waterpipe - HT 125 pipe 2000 mm |
+|   1 | `ht_pipe(HT_125_pipe_250)` |  PVC Waterpipe - HT 125 pipe 250 mm |
+|   1 | `ht_pipe(HT_125_pipe_500)` |  PVC Waterpipe - HT 125 pipe 500 mm |
+|   1 | `ht_cap(HT_160_cap)` |  PVC Waterpipe - HT 160 cap |
+|   1 | `ht_pipe(HT_160_pipe_1000)` |  PVC Waterpipe - HT 160 pipe 1000 mm |
+|   1 | `ht_pipe(HT_160_pipe_150)` |  PVC Waterpipe - HT 160 pipe 150 mm |
+|   1 | `ht_pipe(HT_160_pipe_1500)` |  PVC Waterpipe - HT 160 pipe 1500 mm |
+|   1 | `ht_pipe(HT_160_pipe_2000)` |  PVC Waterpipe - HT 160 pipe 2000 mm |
+|   1 | `ht_pipe(HT_160_pipe_250)` |  PVC Waterpipe - HT 160 pipe 250 mm |
+|   1 | `ht_pipe(HT_160_pipe_500)` |  PVC Waterpipe - HT 160 pipe 500 mm |
+|   1 | `ht_cap(HT_32_cap)` |  PVC Waterpipe - HT 32 cap |
+|   1 | `ht_pipe(HT_32_pipe_1000)` |  PVC Waterpipe - HT 32 pipe 1000 mm |
+|   1 | `ht_pipe(HT_32_pipe_150)` |  PVC Waterpipe - HT 32 pipe 150 mm |
+|   1 | `ht_pipe(HT_32_pipe_1500)` |  PVC Waterpipe - HT 32 pipe 1500 mm |
+|   1 | `ht_pipe(HT_32_pipe_2000)` |  PVC Waterpipe - HT 32 pipe 2000 mm |
+|   1 | `ht_pipe(HT_32_pipe_250)` |  PVC Waterpipe - HT 32 pipe 250 mm |
+|   1 | `ht_pipe(HT_32_pipe_500)` |  PVC Waterpipe - HT 32 pipe 500 mm |
+|   1 | `ht_cap(HT_40_cap)` |  PVC Waterpipe - HT 40 cap |
+|   1 | `ht_pipe(HT_40_pipe_1000)` |  PVC Waterpipe - HT 40 pipe 1000 mm |
+|   1 | `ht_pipe(HT_40_pipe_150)` |  PVC Waterpipe - HT 40 pipe 150 mm |
+|   1 | `ht_pipe(HT_40_pipe_1500)` |  PVC Waterpipe - HT 40 pipe 1500 mm |
+|   1 | `ht_pipe(HT_40_pipe_2000)` |  PVC Waterpipe - HT 40 pipe 2000 mm |
+|   1 | `ht_pipe(HT_40_pipe_250)` |  PVC Waterpipe - HT 40 pipe 250 mm |
+|   1 | `ht_pipe(HT_40_pipe_500)` |  PVC Waterpipe - HT 40 pipe 500 mm |
+|   1 | `ht_tpipe(HT_50_tpipe)` |  PVC Waterpipe - HT 50 T pipe |
+|   1 | `ht_cap(HT_50_cap)` |  PVC Waterpipe - HT 50 cap |
+|   1 | `ht_pipe(HT_50_pipe_1000)` |  PVC Waterpipe - HT 50 pipe 1000 mm |
+|   1 | `ht_pipe(HT_50_pipe_150)` |  PVC Waterpipe - HT 50 pipe 150 mm |
+|   1 | `ht_pipe(HT_50_pipe_1500)` |  PVC Waterpipe - HT 50 pipe 1500 mm |
+|   1 | `ht_pipe(HT_50_pipe_2000)` |  PVC Waterpipe - HT 50 pipe 2000 mm |
+|   1 | `ht_pipe(HT_50_pipe_250)` |  PVC Waterpipe - HT 50 pipe 250 mm |
+|   1 | `ht_pipe(HT_50_pipe_500)` |  PVC Waterpipe - HT 50 pipe 500 mm |
+|   1 | `ht_tpipe(HT_50_40_tpipe)` |  PVC Waterpipe - HT 50/40 T pipe |
+|   1 | `ht_cap(HT_75_cap)` |  PVC Waterpipe - HT 75 cap |
+|   1 | `ht_pipe(HT_75_pipe_1000)` |  PVC Waterpipe - HT 75 pipe 1000 mm |
+|   1 | `ht_pipe(HT_75_pipe_150)` |  PVC Waterpipe - HT 75 pipe 150 mm |
+|   1 | `ht_pipe(HT_75_pipe_1500)` |  PVC Waterpipe - HT 75 pipe 1500 mm |
+|   1 | `ht_pipe(HT_75_pipe_2000)` |  PVC Waterpipe - HT 75 pipe 2000 mm |
+|   1 | `ht_pipe(HT_75_pipe_250)` |  PVC Waterpipe - HT 75 pipe 250 mm |
+|   1 | `ht_pipe(HT_75_pipe_500)` |  PVC Waterpipe - HT 75 pipe 500 mm |
+|   1 | `ht_cap(HT_90_cap)` |  PVC Waterpipe - HT 90 cap |
+|   1 | `ht_pipe(HT_90_pipe_1000)` |  PVC Waterpipe - HT 90 pipe 1000 mm |
+|   1 | `ht_pipe(HT_90_pipe_150)` |  PVC Waterpipe - HT 90 pipe 150 mm |
+|   1 | `ht_pipe(HT_90_pipe_1500)` |  PVC Waterpipe - HT 90 pipe 1500 mm |
+|   1 | `ht_pipe(HT_90_pipe_2000)` |  PVC Waterpipe - HT 90 pipe 2000 mm |
+|   1 | `ht_pipe(HT_90_pipe_250)` |  PVC Waterpipe - HT 90 pipe 250 mm |
+|   1 | `ht_pipe(HT_90_pipe_500)` |  PVC Waterpipe - HT 90 pipe 500 mm |
+
+
 <a href="#top">Top</a>
 
 ---
@@ -2015,6 +2144,7 @@ Standard domed through hole LEDs. Can specify colour and lead length.
 |   1 | `led(LED3mm, "green")` |  LED 3 mm green |
 |   1 | `led(LED5mm, "blue")` |  LED 5 mm blue |
 |   1 | `led(LED8mm)` |  LED 8 mm red |
+|   1 | `led(LED5x2mm, "green")` |  LED [5, 2] mm green |
 
 
 <a href="#top">Top</a>
@@ -2362,6 +2492,10 @@ Default is steel but can be drawn as brass or nylon. A utility for making nut tr
 
 If a nut is given a child then it gets placed on its top surface.
 
+The following diagram shows you the parameters for drawing a sliding_t_nut:
+
+![](docs/sliding_t_nut.png)
+
 [vitamins/nuts.scad](vitamins/nuts.scad) Object definitions.
 
 [vitamins/nut.scad](vitamins/nut.scad) Implementation.
@@ -2680,7 +2814,9 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `potentiometer(BTT_encoder)` |  BTT_encoder |
 |   1 | `box_header(2p54header, 4, 2)` |  Box header 4 x 2 |
 |   1 | `box_header(2p54header, 4, 2, right_angle = true)` |  Box header 4 x 2 right angle  |
+|   1 | `rd_disc(10mm_disc, "1nF Y2")` |  Ceramic capacitor, 10mm_disc 1nF Y2 |
 |   1 | `rd_disc(6p4mm_disc, "100n")` |  Ceramic capacitor, 6p4mm_disc 100n |
+|   1 | `rd_cm_choke(ATX_CM_CHOKE ,"3.5mH")` |  Common mode choke 3.5mH |
 |   1 | `rd_xtal(ACT1100, "40MHz")` |  Crystal ACT1100 40MHz |
 |   1 | `rd_xtal(ACT1700, "80MHz")` |  Crystal ACT1700 80MHz |
 |   1 | `rd_xtal(C_002RX, "60KHz")` |  Crystal C_002RX 60KHz |
@@ -2716,6 +2852,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pin_socket(2p54header, 4, 1)` |  Pin socket 4 x 1 |
 |   1 | `pin_socket(2p54header, 6, 1)` |  Pin socket 6 x 1 |
 |   2 | `pin_socket(2p54header, 8, 1)` |  Pin socket 8 x 1 |
+|   1 | `rd_coil(IND16x10 ,"4.7uH")` |  Radial inductor 16x10 4.7uH |
 |   1 | `rd_transistor(TO92, "78L05")` |  Regulator TO92 78L05 |
 |   1 | `rd_module(HF33F, "012-HSL-3F")` |  Relay HF33F / 012-HSL-3F |
 |   1 | `ax_res(res1_2, 10, tol = 10)` |  Resistor 10 Ohms 10% 0.5W |
@@ -2881,6 +3018,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(BTT_SKR_E3_TURBO)` |  BigTreeTech SKR E3 Turbo |
 |   1 | `pcb(BTT_SKR_MINI_E3_V2_0)` |  BigTreeTech SKR Mini E3 v2.0 |
 |   1 | `pcb(BTT_SKR_V1_4_TURBO)` |  BigTreeTech SKR v1.4 Turbo |
+|   1 | `pcb(BlackPill)` |  Black Pill |
 |   1 |  |  Cat 5 patch cable 300mm |
 |   1 | `d_plug(DCONN15, pcb = true)` |  D-type 15 way PCB mount plug - not shown |
 |   1 | `pcb(DuetE)` |  Duet 2 Ethernet electronics |
@@ -2894,12 +3032,14 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
 |   1 | `pcb(ExtruderPCB)` |  Extruder connection PCB - not shown |
 |   1 | `pcb(HW803_1WAY_RELAY)` |  HW-803 5V 1 way relay module |
+|   1 | `pcb(I2C_LCD_Backpack)` |  I2C / SPI character LCD backpack |
 |   1 | `pcb(KY_040)` |  KY-040 rotart encoder breakout |
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board - not shown |
 |   1 | `pcb(L9110S)` |  L9110S 2-Channel motor driver module |
 |   1 | `pcb(LIPO_fuel_gauge)` |  LIPO fuel gauge |
 |   1 | `pcb(MP1584EN)` |  MP1584EN 3A buck converter |
 |   1 | `pcb(MT3608)` |  MT3608 boost converter module |
+|   1 | `pcb(MELLOW_FLY_D5)` |  Mellow FLY D5 |
 |   1 | `pcb(Melzi)` |  Melzi electronics - not shown |
 |   6 |  |  Micro SD card |
 |   1 |  |  Micro SD card - not shown |
@@ -2908,7 +3048,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `molex_254(3)` |  Molex KK header 3 way - not shown |
 |  20 | `nut(M2_nut, nyloc = true)` |  Nut M2 x 1.6mm nyloc |
 |  38 | `nut(M2p5_nut, nyloc = true)` |  Nut M2.5 x 2.2mm nyloc |
-|  47 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|  52 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
 |   8 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
 |   1 | `pcb(OPZ2)` |  Orange Pi Zero 2 |
 |   1 | `pcb(PI_IO)` |  PI_IO V2 - not shown |
@@ -2932,17 +3072,19 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   4 | `screw(M2_cap_screw, 25)` |  Screw M2 cap x 25mm |
 |   2 | `screw(M2p5_cap_screw, 20)` |  Screw M2.5 cap x 20mm |
 |   8 | `screw(M2p5_cap_screw, 30)` |  Screw M2.5 cap x 30mm |
-|  12 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
+|   4 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
+|   8 | `screw(M2p5_cap_screw, 40)` |  Screw M2.5 cap x 40mm |
 |   4 | `screw(M2p5_dome_screw, 25)` |  Screw M2.5 dome x 25mm |
 |   4 | `screw(M2p5_pan_screw, 20)` |  Screw M2.5 pan x 20mm |
-|   8 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
-|  19 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
-|  13 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
-|   4 | `screw(M3_cap_screw, 25)` |  Screw M3 cap x 25mm |
+|   4 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
+|   4 | `screw(M2p5_pan_screw, 35)` |  Screw M2.5 pan x 35mm |
+|  18 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
+|  18 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
+|   5 | `screw(M3_cap_screw, 25)` |  Screw M3 cap x 25mm |
 |  11 | `screw(M3_cap_screw, 35)` |  Screw M3 cap x 35mm |
-|   4 | `screw(M4_cap_screw, 20)` |  Screw M4 cap x 20mm |
-|   4 | `screw(M4_cap_screw, 25)` |  Screw M4 cap x 25mm |
+|   8 | `screw(M4_cap_screw, 25)` |  Screw M4 cap x 25mm |
 |   1 | `pcb(XIAO)` |  Seeeduino XIAO |
+|   1 | `pcb(9DOF_stick)` |  Sparkfun 9 degrees of freedom IMU |
 |   1 | `pcb(TP4056)` |  TP4056 Li-lon Battery charger module |
 |   3 | `terminal_35(2)` |  Terminal block 2 way 3.5mm - not shown |
 |   2 | `green_terminal(gt_2p54, 4)` |  Terminal block 4 way 0.1" - not shown |
@@ -2951,7 +3093,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(WD2002SJ)` |  WD2002SJ Buck Boost DC-DC converter |
 |  20 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
 |  38 | `washer(M2p5_washer)` |  Washer  M2.5 x 5.9mm x 0.5mm |
-|  47 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|  52 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 |   8 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 |   1 | `pcb(ZC_A0591)` |  ZC-A0591 ULN2003 driver PCB |
 
@@ -2959,30 +3101,32 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | Qty | Filename |
 | ---:|:--- |
 |   4 | pcb_spacer20100.stl |
-|   4 | pcb_spacer20150.stl |
+|   4 | pcb_spacer20160.stl |
 |   4 | pcb_spacer2070.stl |
 |   4 | pcb_spacer2080.stl |
 |   4 | pcb_spacer2090.stl |
 |   2 | pcb_spacer25110.stl |
-|   4 | pcb_spacer25140.stl |
-|   4 | pcb_spacer25170.stl |
-|   4 | pcb_spacer25180.stl |
-|   4 | pcb_spacer25190_2.stl |
-|   4 | pcb_spacer25200_2.stl |
-|   4 | pcb_spacer25240.stl |
-|   4 | pcb_spacer25250.stl |
+|   4 | pcb_spacer25150.stl |
+|   4 | pcb_spacer25190.stl |
+|   4 | pcb_spacer25200.stl |
+|   4 | pcb_spacer25210_2.stl |
+|   4 | pcb_spacer25220_2.stl |
 |   4 | pcb_spacer25260.stl |
+|   4 | pcb_spacer25270.stl |
+|   4 | pcb_spacer25280.stl |
 |   4 | pcb_spacer2580.stl |
-|   4 | pcb_spacer30130.stl |
-|   4 | pcb_spacer30210.stl |
-|   4 | pcb_spacer30220.stl |
-|   3 | pcb_spacer30230.stl |
+|   1 | pcb_spacer30130.stl |
+|   4 | pcb_spacer30140.stl |
+|   4 | pcb_spacer30230.stl |
+|   4 | pcb_spacer30240.stl |
+|   3 | pcb_spacer30250.stl |
 |  10 | pcb_spacer3050.stl |
-|   9 | pcb_spacer3060.stl |
+|   8 | pcb_spacer3060.stl |
 |   9 | pcb_spacer3070.stl |
-|   4 | pcb_spacer3080.stl |
+|   5 | pcb_spacer3080.stl |
+|   4 | pcb_spacer3090.stl |
 |   4 | pcb_spacer40100.stl |
-|   4 | pcb_spacer4090.stl |
+|   4 | pcb_spacer40110.stl |
 
 
 <a href="#top">Top</a>
@@ -3429,6 +3573,15 @@ Radial components for PCBs.
 | `rd_boxc_size(type)` | Overall size and corner radius |
 | `rd_boxc_skirt(type)` | Skirt slot, thickness, height |
 | `rd_boxc_z(type)` | Height of inner base above PCB. |
+| `rd_cm_choke_core(type)` | Core OD, ID, width, corner radius |
+| `rd_cm_choke_csep(type)` | Central separator thickness in slot, total thickness, height |
+| `rd_cm_choke_seam(type)` | Overlapping semicircular seams to join the two halves of the core width and thickness |
+| `rd_cm_choke_slot(type)` | Slot to hold central separator width, height, thickness |
+| `rd_cm_choke_wire(type)` | Wire positions, length and diameter |
+| `rd_coil_colour(type)` | Core colour |
+| `rd_coil_size(type)` | OD, ID, height, coil height |
+| `rd_coil_turns(type)` | Number of turns |
+| `rd_coil_wire(type)` | Wire pitch, diameter and length |
 | `rd_disc_colours(type)` | Colours of body and text |
 | `rd_disc_kind(type)` | Capacitor, etc |
 | `rd_disc_lead_d(type)` | Lead diameter and sleeve diameter |
@@ -3459,6 +3612,8 @@ Radial components for PCBs.
 | Module | Description |
 |:--- |:--- |
 | `rd_box_cap(type, kind, value)` | Draw radial boxed film capacitor |
+| `rd_cm_choke(type, value)` | Draw specified common mode choke. |
+| `rd_coil(type, value, pitch = undef)` | Draw the specified vertical coil |
 | `rd_disc(type, value, pitch = undef, z = 0, tail = 3)` | Draw a radial disc component |
 | `rd_electrolytic(type, value, pitch = undef, z = 0, tail = 3)` | Draw a radial electrolytic capcacitor |
 | `rd_module(type, value)` | Draw a PCB mounted potted module, e.g. PSU or relay |
@@ -3470,7 +3625,9 @@ Radial components for PCBs.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   1 | `rd_disc(10mm_disc, "1nF Y2")` |  Ceramic capacitor, 10mm_disc 1nF Y2 |
 |   1 | `rd_disc(6p4mm_disc, "10nF")` |  Ceramic capacitor, 6p4mm_disc 10nF |
+|   1 | `rd_cm_choke(ATX_CM_CHOKE ,"3.5mH")` |  Common mode choke 3.5mH |
 |   1 | `rd_xtal(ACT1100, "ACT1100")` |  Crystal ACT1100 ACT1100 |
 |   1 | `rd_xtal(ACT1700, "ACT1700")` |  Crystal ACT1700 ACT1700 |
 |   1 | `rd_xtal(C_002RX, "C_002RX")` |  Crystal C_002RX C_002RX |
@@ -3480,6 +3637,7 @@ Radial components for PCBs.
 |   1 | `rd_module(LDE10_20B, "12V 900ma")` |  PSU LDE10_20B / 12V 900ma |
 |   1 | `rd_module(VCE03, "12V 250ma")` |  PSU VCE03 / 12V 250ma |
 |   2 | `pcb(PERF70x50)` |  Perfboard 70 x 50mm |
+|   1 | `rd_coil(IND16x10 ,"4.7uH")` |  Radial inductor 16x10 4.7uH |
 |   1 | `rd_module(HF33F, "012-HSL3F")` |  Relay HF33F / 012-HSL3F |
 |   1 | `rd_transistor(E_LINE, "ZTX853")` |  Transistor E_LINE ZTX853 |
 |   1 | `rd_transistor(TO92, "BC337")` |  Transistor TO92 BC337 |
@@ -3690,6 +3848,7 @@ Rocker switch. Also used for neon indicator in the same form factor.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   2 | `rocker(neon_indicator)` |  Neon Indicator H8630FBNAL |
+|   2 | `rocker(micro_rocker)` |  Rocker Switch 10x15 |
 |   2 | `rocker(small_rocker)` |  Rocker Switch PRASA1-16F-BB0BW |
 
 
@@ -4176,8 +4335,8 @@ SK shaft support brackets
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   2 | `extrusion(E2020, 20)` |  Extrusion E2020 x 20mm |
-|   2 | `extrusion(E3030, 20)` |  Extrusion E3030 x 20mm |
+|   2 | `extrusion(E2020, 20, cornerHole = true)` |  Extrusion E2020 x 20mm |
+|   2 | `extrusion(E3030, 20, cornerHole = true)` |  Extrusion E3030 x 20mm |
 |   2 | `sliding_t_nut(M4_hammer_nut)` |  Nut M4 hammer |
 |   2 | `sliding_t_nut(M4_sliding_t_nut)` |  Nut M4 sliding T |
 |   2 | `sliding_t_nut(M5_sliding_t_nut)` |  Nut M5 sliding T |
@@ -6156,6 +6315,49 @@ inserts don't grip well in rubber.
 |   1 | insert_foot_assembly |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="gridfinity"></a>
+## Gridfinity
+Generate storage bins compatible with Zack Freedman's Gridfinity design, see <https://www.youtube.com/watch?v=ra_9zU-mnl8&t=37s>
+
+Based on <https://gridfinity.xyz/specification>
+
+More examples [here](examples/Gridfinity).
+
+[printed/gridfinity.scad](printed/gridfinity.scad) Implementation.
+
+[tests/gridfinity.scad](tests/gridfinity.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `gridfinity_bin_name(type)` | Name for the STL file |
+| `gridfinity_bin_size(type)` | Size in grid units |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `gridfinity_base_z()` | height of base |
+| `gridfinity_bin(name, grid_x, grid_y, grid_z)` | Constructor |
+| `gridfinity_bin_size_mm(type)` | Overall size of the bin |
+| `gridfinity_corner_r()` | Outside corner radius |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `gridfinity_bin(type)` | Create a gridfinity bin, bits to cut out are passed as a child |
+| `gridfinity_partition(type, cols = 1, rows = 1, wall = 1.6, iwall = squeezed_wall, bwall = 1, corner_r = 4)` | Passed as child to hollow out specified partitions |
+
+![gridfinity](tests/png/gridfinity.png)
+
+### Printed
+| Qty | Filename |
+| ---:|:--- |
+|   1 | chuck_stand.stl |
+
+
 <a href="#top">Top</a>
 
 ---
@@ -6318,6 +6520,7 @@ Printed LED bezels for panel mounting
 |   1 | `led(LED3mm, "yellow")` |  LED 3 mm yellow |
 |   1 | `led(LED5mm, "blue")` |  LED 5 mm blue |
 |   1 | `led(LED8mm)` |  LED 8 mm red |
+|   1 | `led(LED5x2mm, "yellow")` |  LED [5, 2] mm yellow |
 
 ### Printed
 | Qty | Filename |
@@ -6328,6 +6531,8 @@ Printed LED bezels for panel mounting
 |   1 | LED3mm_bezel_retainer.stl |
 |   1 | LED5mm_bezel.stl |
 |   1 | LED5mm_bezel_retainer.stl |
+|   1 | LED5x2mm_bezel.stl |
+|   1 | LED5x2mm_bezel_retainer.stl |
 |   1 | LED8mm_bezel.stl |
 |   1 | LED8mm_bezel_retainer.stl |
 
@@ -6337,6 +6542,7 @@ Printed LED bezels for panel mounting
 |   1 | LED10mm_orange_bezel_assembly |
 |   1 | LED3mm_yellow_bezel_assembly |
 |   1 | LED5mm_blue_bezel_assembly |
+|   1 | LED5x2mm_yellow_bezel_assembly |
 |   1 | LED8mm_red_bezel_assembly |
 
 
@@ -7052,6 +7258,27 @@ The coordinates of the lowest point on the curve can be retrieved by calling `ca
 ![catenary](tests/png/catenary.png)
 
 
+<a href="#top">Top</a>
+
+---
+<a name="chamfer"></a>
+## Chamfer
+45 degree chamfer the entrance to holes.
+
+If the hole shape is concave then it must be described as a list of 2D convex children.
+
+[utils/chamfer.scad](utils/chamfer.scad) Implementation.
+
+[tests/chamfer.scad](tests/chamfer.scad) Code for this example.
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `chamfer_hole(depth = 1)` | Chamfer a hole given a 2D outline as a child |
+
+![chamfer](tests/png/chamfer.png)
+
+
 <a href="#top">Top</a>
 
 ---
@@ -7097,9 +7324,9 @@ allows flexible positioning of the motors.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `coreXY(type, size, pos, separation, x_gap = 0, plain_idler_offset = [0, 0], upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false, left_lower = false)` | Wrapper module to draw both belts of a coreXY setup |
+| `coreXY(type, size, pos, separation, x_gap = 0, plain_idler_offset = [0, 0], upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false, left_lower = false, motor_back = false)` | Wrapper module to draw both belts of a coreXY setup |
 | `coreXY_belts(type, carriagePosition, coreXYPosBL, coreXYPosTR, separation, x_gap = 0, plain_idler_offset = [0, 0], upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false, left_lower = false)` | Draw the coreXY belts |
-| `coreXY_half(type, size, pos, separation_y = 0, x_gap = 0, plain_idler_offset = [0, 0], drive_pulley_offset = [0, 0], show_pulleys = false, lower_belt = false, hflip = false)` | Draw one belt of a coreXY setup |
+| `coreXY_half(type, size, pos, separation_y = 0, x_gap = 0, plain_idler_offset = [0, 0], drive_pulley_offset = [0, 0], show_pulleys = false, lower_belt = false, hflip = false, motor_back = false)` | Draw one belt of a coreXY setup |
 
 ![core_xy](tests/png/core_xy.png)
 
@@ -7108,12 +7335,44 @@ allows flexible positioning of the motors.
 | ---:|:--- |:---|
 |   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 728mm |
 |   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 790mm |
-|   7 | `pulley(GT2x16_toothed_idler)` |  Pulley GT2 idler 16 teeth |
-|   3 | `pulley(GT2x16_plain_idler)` |  Pulley GT2 idler smooth 9.63mm |
-|   2 | `pulley(GT2x20ob_pulley)` |  Pulley GT2OB 20 teeth |
+|   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 826mm |
+|   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 826mm |
+|   2 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 836mm |
+|  15 | `pulley(GT2x16_toothed_idler)` |  Pulley GT2 idler 16 teeth |
+|  15 | `pulley(GT2x16_plain_idler)` |  Pulley GT2 idler smooth 9.63mm |
+|   6 | `pulley(GT2x20ob_pulley)` |  Pulley GT2OB 20 teeth |
 |   8 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
-|   4 | `screw(M3_grub_screw, 6)` |  Screw M3 grub x  6mm |
-|   2 | `NEMA(NEMA17_40)` |  Stepper motor NEMA17 x 40mm (5x20 shaft) |
+|  12 | `screw(M3_grub_screw, 6)` |  Screw M3 grub x  6mm |
+|   6 | `NEMA(NEMA17_40)` |  Stepper motor NEMA17 x 40mm (5x20 shaft) |
+
+
+<a href="#top">Top</a>
+
+---
+<a name="dimension"></a>
+## Dimension
+Modules for adding dimensions to assembly views.
+
+![](docs/sliding_t_nut_small.png)
+
+* If `text` is empty, will display the measured distance.
+* `offset` will determine how much space is between the measured point and the dimension.
+* `thickness` is the thickness of the lines, and size of the arrows, if 0, will use 0.5% of the length of the dim.
+* `text_size` will determine the size of the text, if 0, will use percentage of the length of the dim.
+
+[utils/dimension.scad](utils/dimension.scad) Implementation.
+
+[tests/dimension.scad](tests/dimension.scad) Code for this example.
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `dimension(startpoint, endpoint, text = "", thickness = 0, text_size = 0 , rot_around_dim = 0)` | Creates a 3D dimension between two points. |
+| `dimension_x(startpoint, endpoint, offset = 1, text = "", thickness = 0, text_size = 0 , plane = "xy")` | Creates a dimension in the x direction. Plane options : xy, xz |
+| `dimension_y(startpoint, endpoint, offset = 1, text = "", thickness = 0, text_size = 0 , plane = "xy")` | Creates a dimension in the y direction. Plane options : xy, yz |
+| `dimension_z(startpoint, endpoint, offset = 1, text = "", thickness = 0, text_size = 0 , plane = "xz")` | Creates a dimension in the z direction. Plane options : xz, yz |
+
+![dimension](tests/png/dimension.png)
 
 
 <a href="#top">Top</a>
@@ -7580,6 +7839,7 @@ Each vertex, apart from the first and the last, has an associated radius and the
 | `segmented_path(path, min_segment)` | Add points to a path to enforce a minimum segment length |
 | `skin_faces(points, npoints, facets, loop, offset = 0)` | Create the mesh for the swept volume without end caps |
 | `spiral_paths(path, n, r, twists, start_angle)` | Create a new paths which spiral around the given path. Use for making twisted cables |
+| `spiral_wrap(path, profile, pitch, turns)` | Create a path that spirals around the specified profile with the given pitch. |
 | `sweep(path, profile, loop = false, twist = 0)` | Generate the point list and face list of the swept volume |
 
 ### Modules
@@ -7687,6 +7947,8 @@ The `pose()` module allows assembly views in the readme to be posed differently
 * To get the parameter values make the GUI window square, pose the view with the mouse and then copy the viewport parameters from the Edit menu and paste them into the pose invocation.
 * Two `pose()` modules can be chained to allow different poses for exploded and assembled views.
 
+The `pose_stl()` module allows an STL child to be posed for its rendered image used in the readme for the project.
+
 [utils/core/bom.scad](utils/core/bom.scad) Implementation.
 
 [tests/BOM.scad](tests/BOM.scad) Code for this example.
@@ -7710,8 +7972,9 @@ The `pose()` module allows assembly views in the readme to be posed differently
 | `no_explode()` | Prevent children being exploded |
 | `no_pose()` | Force children not to be posed even if parent is |
 | `not_on_bom(on = false)` | Specify the following child parts are not on the BOM, for example when they are on a PCB that comes assembled |
-| `pose(a = [55, 0, 25], t = [0, 0, 0], exploded = undef, d = undef)` | Pose an STL or assembly for rendering to png by specifying rotation `a`, translation `t` and optionally `d`, `exploded = true for` just the exploded view or `false` for unexploded only. |
+| `pose(a = [55, 0, 25], t = [0, 0, 0], exploded = undef, d = undef)` | Pose an assembly for rendering to png by specifying rotation `a`, translation `t` and optionally `d`, `exploded = true for` just the exploded view or `false` for unexploded only. |
 | `pose_hflip(exploded = undef)` | Pose an STL or assembly for rendering to png by flipping around the Y axis, `exploded = true for` just the exploded view or `false` for unexploded only. |
+| `pose_stl(a = [70, 0, 315], t = [0, 0, 0], d = 500)` | Pose an STL for its render, `a`, `t`, & `d` are camera parameters. |
 | `pose_vflip(exploded = undef)` | Pose an STL or assembly for rendering to png by flipping around the X axis, `exploded = true for` just the exploded view or `false` for unexploded only. |
 | `stl(name)` | Name an stl that will appear on the BOM, there needs to a module named `<name>_stl` to make it |
 | `stl_colour(colour = pp1_colour, alpha = 1)` | Colour an stl where it is placed in an assembly. `alpha` can be used to make it appear transparent. |

scripts/bom.py

@@ -69,7 +69,10 @@ class Part:
         self.count = 1
         for arg in args:
             arg = arg.replace('true',  'True').replace('false', 'False').replace('undef', 'None')
-            exec('self.' + arg)
+            try:
+               exec('self.' + arg)
+            except:
+               print(arg)
 
     def data(self):
         return self.__dict__
@@ -107,7 +110,7 @@ class BOM:
         match = re.match(r'^(.*?\.stl|.*?\.dxf|.*?\.svg)\((.*)\)$', s)                             #look for name.stl(...), name.dxf(...) or name.svg(...)
         if match:
             s = match.group(1)
-            args = [match.group(2)]
+            args = match.group(2).split('|')
         if s[-4:] == ".stl":
             parts = self.printed
         else:

scripts/exports.py

@@ -66,9 +66,16 @@ def make_parts(target, part_type, parts = None):
     top_dir = set_config(target, lambda: usage(part_type))
     target_dir = top_dir + part_type + 's'
     deps_dir = target_dir + "/deps"
-    bom_dir = top_dir + "bom"
-    tmp_dir = mktmpdir(top_dir)
 
+    #
+    # Check we have some of this type
+    #
+    bom_dir = top_dir + "bom"
+    all_parts = bom_to_parts(bom_dir, part_type)
+    if not all_parts:
+        return
+
+    tmp_dir = mktmpdir(top_dir)
     if not os.path.isdir(target_dir):
         os.makedirs(target_dir)
 
@@ -83,7 +90,6 @@ def make_parts(target, part_type, parts = None):
     #
     # Decide which files to make
     #
-    all_parts = bom_to_parts(bom_dir, part_type)
     if parts:
         targets = list(parts)           #copy the list so we dont modify the list passed in
     else:

scripts/render.py

@@ -37,19 +37,21 @@ def usage():
     sys.exit(1)
 
 def render(target, type):
-    #
-    # Make the target directory
-    #
     top_dir = set_config(target, usage)
-    tmp_dir = mktmpdir(top_dir)
-    target_dir = top_dir + type + 's'
     bom_dir = top_dir + 'bom'
-    if not os.path.isdir(target_dir):
-        os.makedirs(target_dir)
     #
     # Find all the parts
     #
     parts = bom_to_parts(bom_dir, type)
+    if not parts:
+        return
+    #
+    # Make the target directory
+    #
+    tmp_dir = mktmpdir(top_dir)
+    target_dir = top_dir + type + 's'
+    if not os.path.isdir(target_dir):
+        os.makedirs(target_dir)
     #
     # Read the json bom to get the colours
     #
@@ -59,11 +61,14 @@ def render(target, type):
 
     things = { 'stl' : 'printed', 'dxf' : 'routed', 'svg' : 'routed' }[type]
     colours = {}
+    cameras = {}
     for ass in flat_bom:
         for part in ass[things]:
              obj = ass[things][part]
              if "colour" in obj:
                 colours[part] = obj["colour"]
+             if "camera" in obj:
+                cameras[part] = obj["camera"]
     #
     # Remove unused png files
     #
@@ -85,13 +90,16 @@ def render(target, type):
             png_maker_name = tmp_dir + "/png.scad"
             pp1 = [0, 146/255, 0]
             colour = pp1
+            camera = "0,0,0,70,0,315,500"
+            if part in cameras:
+                camera = cameras[part]
             if part in colours:
                 colour = colours[part]
                 if not '[' in colour:
                     colour = '"' + colour + '"'
             with open(png_maker_name, "w") as f:
                 f.write('color(%s) import("%s");\n' % (colour, reltmp(part_file, target)))
-            cam = "--camera=0,0,0,70,0,315,500" if type == 'stl' else "--camera=0,0,0,0,0,0,500"
+            cam = "--camera=" + camera if type == 'stl' else "--camera=0,0,0,0,0,0,500"
             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

scripts/views.py

@@ -353,7 +353,7 @@ def views(target, do_assemblies = None):
                 print('### 3D Printed parts', file = doc_file)
                 keys = sorted(list(printed.keys()))
                 for i, p in enumerate(keys):
-                    print('%s %d x %s |' % ('\n|' if not (i % 3) else '', printed[p]["count"], p), file = doc_file, end = '')
+                    print('%s %d x [%s](stls/%s) |' % ('\n|' if not (i % 3) else '', printed[p]["count"], p, p), file = doc_file, end = '')
                     if (i % 3) == 2 or i == len(printed) - 1:
                         n = (i % 3) + 1
                         print('\n|%s' % ('---|' * n), file =  doc_file)
@@ -368,7 +368,10 @@ def views(target, do_assemblies = None):
                 print("### CNC Routed parts", file = doc_file)
                 keys = sorted(list(routed.keys()))
                 for i, r in enumerate(keys):
-                    print('%s %d x %s |' % ('\n|' if not (i % 3) else '', routed[r]["count"], r), file = doc_file, end = '')
+                    if(r.endswith('dxf')):
+                        print('%s %d x [%s](dxfs/%s) |' % ('\n|' if not (i % 3) else '', routed[r]["count"], r, r), file = doc_file, end = '')
+                    elif(r.endswith('svg')):
+                        print('%s %d x [%s](svgs/%s) |' % ('\n|' if not (i % 3) else '', routed[r]["count"], r, r), file = doc_file, end = '')
                     if (i % 3) == 2 or i == len(routed) - 1:
                         n = (i % 3) + 1
                         print('\n|%s' % ('---|' * n), file =  doc_file)
@@ -379,7 +382,7 @@ def views(target, do_assemblies = None):
                             elif (part[-4:] == ".svg"):
                                 print('| ![%s](svgs/%s) %s' % (part, part.replace('.svg','.png'), '|\n' if j == j - 1 else ''), end = '', file = doc_file)
                             else:
-                                print("Unkown file type ", part[-4:], " for file ", part)
+                                print("Unknown file type ", part[-4:], " for file ", part)
                         print('\n', file = doc_file)
                 print('\n', file  = doc_file)
 

tests/HT_pipes.scad

@@ -0,0 +1,37 @@
+//
+// NopSCADlib Copyright Jan Giebels 2024
+//
+// 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>
+use <../utils/layout.scad>
+
+include <../vitamins/ht_pipes.scad>
+
+module ht_pipes()
+    color("grey")
+    layout([for(p = ht_pipes) 40 + pipe_od(p)]) let(p = ht_pipes[$i], len = pipe_length(p)) {
+        if(len <= 34)
+             translate_z(len)
+                ht_cap(p);
+
+        if(len >= 101)
+            ht_pipe(p);
+
+        if(len == 100)
+            ht_tpipe(p);
+    }
+
+if($preview)
+    ht_pipes();

tests/LED_bezel.scad

@@ -23,7 +23,7 @@ include <../vitamins/leds.scad>
 use <../printed/led_bezel.scad>
 
 module led_bezels()
-    layout([for(l = LEDs) led_diameter(l)], 6) let(l = LEDs[$i], b = led_bezel(l))
+    layout([for(l = LEDs) max(led_diameter(l))], 6) let(l = LEDs[$i], b = led_bezel(l))
         if($preview)
             led_bezel_fastened_assembly(b, 3, ["yellow", "blue", "red", "orange"][$i % 4]);
         else {

tests/LEDs.scad

@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/leds.scad>
 
 module leds()
-    layout([for(l = LEDs) led_diameter(l)], 5)
+    layout([for(l = LEDs) max(led_diameter(l))], 5)
         led(LEDs[$i], ["green", "blue", "red", "orange"][$i % 4]);
 
 if($preview)

tests/PCB.scad

@@ -134,6 +134,7 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 25, 190,   0, "rd_electrolytic", ECAP8x11, "220uF35V"],
         [ 25, 180,  90, "rd_disc",  ERZV07D471, "471"],
         [ 25, 170,  90, "rd_disc", 6p4mm_disc, "100n"],
+        [ 30, 170,  90, "rd_disc", 10mm_disc, "1nF Y2"],
         [ 90, 135, -90, "rd_module", HF33F, "012-HSL-3F"],
         [ 35,   3,   0, "link", 0, 5], // Vertical wire
 
@@ -189,7 +190,7 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 52, 200,   0, "pcb", 11, TMC2130 ],
         [ 76, 210,   0, "pdip", 24, "27C32", true, inch(0.6) ],
         [ 80, 180,   0, "pdip", 8, "NE555" ],
-        [ 71, 180,    0, "smd_inductor", IND2525, "4R7"],
+        [ 71, 180,   0, "smd_inductor", IND2525, "4R7"],
 
         [ 87, 166, -90, "smd_soic", SOIC18, "PIC18F88"],
         [ 78, 166, -90, "smd_soic", SOIC14, "74HC00"],
@@ -197,14 +198,16 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 64, 166, -90, "smd_soic", SOIC8, "M34063"],
         [ 70, 150,   0, "chip", 10, 5, 1, grey(20)],
 
-         [90, 140, -90, "relay", HF33F, "012-HSL-3F"],
+        [ 90, 140, -90, "relay", HF33F, "012-HSL-3F"],
 
 
         [ 52, 206,   0, "2p54socket", 8, 1 ],
         [ 52, 194,   0, "2p54socket", 8, 1, false, 0, false, "red" ],
-        [ 50, 220,   0, "standoff",  5, 4.5, 12.5, 2.54],
-        [ 50, 240,   0, "potentiometer"],
+        [ 55, 220,   0, "standoff",  5, 4.5, 12.5, 2.54],
+        [ 60, 240,   0, "potentiometer"],
         [ 75, 240,   0, "potentiometer", KY_040_encoder, 8],
+        [ 40, 235, -90, "rd_cm_choke", ATX_CM_CHOKE, "3.5mH"],
+        [ 40, 217,   0, "rd_coil", IND16x10, "4.7uH"],
         [ 30,  85, -90, "7seg", WT5011BSR, 2],
         [ 30,  55, -90, "D_plug", DCONN9],
     ],

tests/camera_housing.scad

@@ -26,7 +26,7 @@ include <../vitamins/cameras.scad>
 use <../vitamins/pcb.scad>
 
 module camera_housings()
-    layout([for(c = cameras) pcb_length(camera_pcb(c))], 10, false) let(c = cameras[$i])
+    layout([for(c = cameras) pcb_length(camera_pcb(c))], 15, false) let(c = cameras[$i])
         if(pcb_screw(camera_pcb(c)))
             camera_fastened_assembly(c, 3);
 

tests/chamfer.scad

@@ -0,0 +1,37 @@
+//
+// NopSCADlib Copyright Chris Palmer 2025
+// 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/chamfer.scad>
+
+module chamfer() {
+    difference() {
+        h = 1;
+        rounded_rectangle([20, 20, h], 2);
+
+        translate_z(h)
+            chamfer_hole(h + eps) {
+                circle(2);
+
+                translate([-1, 0])
+                    square([2, 5]);
+            }
+    }
+}
+
+chamfer();

tests/core_xy.scad

@@ -132,5 +132,57 @@ module coreXY_belts_test() {
     }
 }
 
-if ($preview)
+module coreXY_motor_in_back_test1() {
+    size = [200,200];
+    pos = [100,100];
+    separation = [20,5,10];
+
+
+    coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [0, 0], upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = true, left_lower = false, motor_back = true);
+
+    rotate([180,0,0])
+    translate (
+        [ separation.x/2
+        , 0
+        , -separation.z/2 -15 ])
+    NEMA(NEMA17_40);
+    translate (
+        [ size.x - separation.x/2
+        , 0
+        , -separation.z/2 - 15 ])
+    NEMA(NEMA17_40);
+}
+
+module coreXY_motor_in_back_test2() {
+    size = [200,200];
+    pos = [100,100];
+    separation = [0,5,10];
+    upper_drive_pulley_offset = [20, 5];
+    lower_drive_pulley_offset = [20, 5];
+
+
+    coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [20, 0], upper_drive_pulley_offset = upper_drive_pulley_offset, lower_drive_pulley_offset = lower_drive_pulley_offset, show_pulleys = true, left_lower = false, motor_back = true);
+
+    translate (
+        [ size.x - separation.x/2 - lower_drive_pulley_offset.x
+        , lower_drive_pulley_offset.y
+        , -separation.z/2 - 15 ])
+    NEMA(NEMA17_40);
+
+    translate (
+        [ separation.x/2 + upper_drive_pulley_offset.x
+        , upper_drive_pulley_offset.y
+        , separation.z/2 - 25 ])
+    NEMA(NEMA17_40);
+}
+
+
+if ($preview) {
     coreXY_belts_test();
+
+    translate ([-250, 0,0])
+        coreXY_motor_in_back_test1();
+
+    translate ([-250, -250,0])
+        coreXY_motor_in_back_test2();
+}

tests/dimension.scad

@@ -0,0 +1,79 @@
+//
+// NopSCADlib Copyright Chris Palmer 2025
+// 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>
+use <../utils/dimension.scad>
+
+
+module dimensions_3d_xy() {
+    dimension([0,0,0], [10,10,0], "", 0.2);
+    dimension([0,0,0], [10,-10,0], "", 0.2);
+    dimension([0,0,0], [-10,10,0], "");
+    dimension([0,0,0], [-10,-10,0], "");
+
+
+    dimension([0,0,0], [0,10,0], "");
+    dimension([0,0,0], [0,-10,0], "");
+    dimension([0,0,0], [10,0,0], "",rot_around_dim=0);
+    dimension([0,0,0], [-10,0,0], "", rot_around_dim=90);
+}
+
+module dimensions_3d_xyz() {
+    dimension([0,0,0], [10,10,10], "");
+    dimension([0,0,0], [10,-10,10], "");
+    dimension([0,0,0], [-10,10,10], "");
+    dimension([0,0,0], [-10,-10,10], "");
+
+    dimension([0,0,0], [10,10,-10], "");
+    dimension([0,0,0], [10,-10,-10], "");
+    dimension([0,0,0], [-10,10,-10], "");
+    dimension([0,0,0], [-10,-10,-10], "", rot_around_dim=45);
+
+    dimension([0,0,0], [-3,0,10], "");
+    dimension([0,0,0], [0,0,-10], "");
+
+    dimension([0,0,0], [0,2,10], "");
+    dimension([0,0,0], [0,2,-10], "");
+
+}
+
+module dimension_1d_x() {
+    dimension_x([12,0,0], [18,0,0]);
+    dimension_x([12,5,0], [18,10,0], offset = -1);
+    dimension_x([12,0,-5], [18,0,0], plane= "xz");
+    dimension_x([12,5,0], [18,10,5]);
+}
+
+module dimension_1d_y() {
+    dimension_y([12,0,0], [12,-5,0]);
+    dimension_y([12,-8,0], [18,-10,0]);
+    dimension_y([12,-5,0], [18,-10,5], offset = -1, plane= "yz");
+}
+
+module dimension_1d_z() {
+    dimension_z([20,0,5], [20,0,0]);
+    dimension_z([20,0,10], [20,0,0]);
+    dimension_z([20,0,0], [20,10,10],plane= "yz");
+}
+
+if($preview)
+    dimensions_3d_xy();
+    dimensions_3d_xyz();
+    dimension_1d_x();
+    dimension_1d_y();
+    dimension_1d_z();

tests/extrusion_brackets.scad

@@ -24,76 +24,109 @@ include <../vitamins/washers.scad>
 include <../vitamins/nuts.scad>
 
 module inner_bracket_test(bracket, backwards = false)
-    rotate([90, 0, 180]) {
-        extrusion = extrusion_inner_corner_bracket_extrusion(bracket);
-        eWidth = extrusion_width(extrusion);
-        size = extrusion_inner_corner_bracket_size(bracket);
-        tnut = extrusion_inner_corner_bracket_tnut(bracket);
+  rotate([90, 0, 180]) {
+    extrusion = extrusion_inner_corner_bracket_extrusion(bracket);
+    eWidth = extrusion_width(extrusion);
+    size = extrusion_inner_corner_bracket_size(bracket);
+    tnut = extrusion_inner_corner_bracket_tnut(bracket);
 
-        translate([backwards ? -eWidth : 0, 0])
-            extrusion_inner_corner_bracket(bracket, backwards = backwards);
+    translate([backwards ? -eWidth : 0, 0])
+      extrusion_inner_corner_bracket(bracket, backwards=backwards);
 
-        translate([-eWidth / 2, 0])
-            rotate([-90, 0, 0])
-                extrusion(extrusion, size.x - nut_thickness(tnut) - extrusion_tab_thickness(extrusion), false, cornerHole = eWidth > 20);
+    translate([-eWidth / 2, 0])
+      rotate([-90, 0, 0])
+        extrusion(extrusion, size.x - nut_thickness(tnut) - extrusion_tab_thickness(extrusion), false, cornerHole=eWidth > 20);
 
-        translate([-eWidth, -eWidth / 2])
-            rotate([0, 90, 0])
-                extrusion(extrusion, eWidth + size.y - nut_thickness(tnut) - extrusion_tab_thickness(extrusion), false, cornerHole = eWidth > 20);
-    }
+    translate([-eWidth, -eWidth / 2])
+      rotate([0, 90, 0])
+        extrusion(extrusion, eWidth + size.y - nut_thickness(tnut) - extrusion_tab_thickness(extrusion), false, cornerHole=eWidth > 20);
+  }
 
-
-module bracket_test(bracket)
-    rotate([90, 0, 180]) {
-        extrusion = extrusion_corner_bracket_extrusion(bracket);
-        eWidth = extrusion_width(extrusion);
-        size = extrusion_corner_bracket_size(bracket);
-
-        extrusion_corner_bracket_assembly(bracket);
-
-        translate([-eWidth / 2, 0])
-            rotate([-90, 0, 0])
-                extrusion(extrusion, size.y, false, cornerHole = eWidth > 20);
-
-        translate([-eWidth, -eWidth / 2])
-            rotate([0, 90, 0])
-                extrusion(extrusion, eWidth + size.x, false, cornerHole = eWidth > 20);
-    }
-
-
-module extrusion_brackets(examples = false) {
-    extrusion_inner_corner_bracket(E20_inner_corner_bracket);
-
-    translate([30, 0])
-        extrusion_inner_corner_bracket(E20_inner_corner_bracket, grub_screws = false);
-
-    translate([60, 0])
-        extrusion_corner_bracket_assembly(E20_corner_bracket);
-
-    translate([110, 0])
-         extrusion_inner_corner_bracket(E40_inner_corner_bracket);
-
-    translate([140, 0])
-        extrusion_corner_bracket_assembly(E40_corner_bracket);
-
-    if(examples) {
-        translate([20, 50, 10])
-            inner_bracket_test(E20_inner_corner_bracket, true);
-
-        translate([20, 80, 10])
-            inner_bracket_test(E20_inner_corner_bracket);
-
-        translate([20, 120, 10])
-            bracket_test(E20_corner_bracket);
-
-        translate([100, 70, 10])
-            inner_bracket_test(E40_inner_corner_bracket);
-
-        translate([100, 130, 10])
-            bracket_test(E40_corner_bracket);
-    }
+module corner_3d_connector(with_profiles = false, corner_connector_type, extrusion_type) {
+  extrusion_length = 40;
+  extrusion_corner_bracket_3D(corner_connector_type, grub_screws=true);
+  if (with_profiles) {
+    translate([0, 0, extrusion_length / 2])
+      extrusion(extrusion_type, extrusion_length);
+    translate(extrusion_corner_bracket_3D_get_y_offset(corner_connector_type))
+      rotate(extrusion_corner_bracket_3D_get_y_rot(corner_connector_type))
+        translate([0, 0, extrusion_length / 2])
+          extrusion(extrusion_type, extrusion_length);
+    translate(extrusion_corner_bracket_3D_get_x_offset(corner_connector_type))
+      rotate(extrusion_corner_bracket_3D_get_x_rot(corner_connector_type))
+        translate([0, 0, extrusion_length / 2])
+          extrusion(extrusion_type, extrusion_length);
+  }
 }
 
-if($preview)
-    let($show_threads = true)
-        extrusion_brackets(true);
+module corner_3d_connectors(with_profiles = false) {
+  corner_3d_connector(with_profiles, extrusion_corner_bracket_3D_2020, E2020);
+
+  translate([80, 0, 0])
+    corner_3d_connector(with_profiles, extrusion_corner_bracket_3D_3030, E3030);
+
+  translate([180, 0, 0])
+    corner_3d_connector(with_profiles, extrusion_corner_bracket_3D_4040, E4040);
+}
+
+module bracket_test(bracket)
+  rotate([90, 0, 180]) {
+    extrusion = extrusion_corner_bracket_extrusion(bracket);
+    eWidth = extrusion_width(extrusion);
+    size = extrusion_corner_bracket_size(bracket);
+
+    extrusion_corner_bracket_assembly(bracket);
+
+    translate([-eWidth / 2, 0])
+      rotate([-90, 0, 0])
+        extrusion(extrusion, size.y, false, cornerHole=eWidth > 20);
+
+    translate([-eWidth, -eWidth / 2])
+      rotate([0, 90, 0])
+        extrusion(extrusion, eWidth + size.x, false, cornerHole=eWidth > 20);
+  }
+
+module extrusion_brackets(examples = false) {
+  extrusion_inner_corner_bracket(E20_inner_corner_bracket);
+
+  translate([30, 0])
+    extrusion_inner_corner_bracket(E20_inner_corner_bracket, grub_screws=false);
+
+  translate([60, 0])
+    extrusion_corner_bracket_assembly(E20_corner_bracket);
+
+  translate([110, 0])
+    extrusion_inner_corner_bracket(E40_inner_corner_bracket);
+
+  translate([140, 0])
+    extrusion_corner_bracket_assembly(E40_corner_bracket);
+
+  if (examples) {
+    translate([20, 50, 10])
+      inner_bracket_test(E20_inner_corner_bracket, true);
+
+    translate([20, 80, 10])
+      inner_bracket_test(E20_inner_corner_bracket);
+
+    translate([20, 120, 10])
+      bracket_test(E20_corner_bracket);
+
+    translate([100, 70, 10])
+      inner_bracket_test(E40_inner_corner_bracket);
+
+    translate([100, 130, 10])
+      bracket_test(E40_corner_bracket);
+  }
+
+  //the 3d connectors
+  translate([0, -30, 0])
+    corner_3d_connectors();
+  if (examples) {
+    translate([0, -110, 0])
+      corner_3d_connectors(true);
+  }
+}
+
+if ($preview)
+  let ($show_threads = true)
+    extrusion_brackets(true);

tests/extrusions.scad

@@ -35,10 +35,10 @@ module extrusions()
                     rotate(90)
                         layout(heights, gap)
                             rotate(-90)
-                                extrusion(list[$i], 80, cornerHole = extrusion_width(list[$i]) > 20);
+                                extrusion(list[$i], 80);
             }
             else
-                extrusion(e, 80, cornerHole = extrusion_width(e) > 20);
+                extrusion(e, 80);
 
 if ($preview)
     extrusions();

tests/gridfinity.scad

@@ -0,0 +1,76 @@
+//
+// NopSCADlib Copyright Chris Palmer 2025
+// 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 <../printed/gridfinity.scad>
+
+use <../utils/chamfer.scad>
+
+box = gridfinity_bin("chuck_stand", 2, 2, 5);
+
+box_mm = gridfinity_bin_size_mm(box);
+
+bwall = 1;
+
+chuck_d = 80;
+ring_od = 50;
+ring_id = 40;
+ring_h = 4;
+
+hole_pitch = (60 + 72.5) / 2;
+hole_d = (72.5 - 60) / 2;
+hole_depth = 15;
+clearance = 0.5;
+chamfer = 1;
+
+z_bot = gridfinity_base_z() + bwall;
+
+module chuck_stand_stl()
+    gridfinity_bin(box) union() {
+        translate_z(z_bot) {
+            for(a = [0 : 30 : 330])
+                rotate(a)
+                    translate([0, hole_pitch / 2]) {
+                        poly_cylinder(hole_d / 2 + clearance / 2, h = 100);
+
+                        translate_z(hole_depth)
+                            chamfer_hole(chamfer)
+                                poly_circle(hole_d / 2 + clearance / 2);
+                    }
+
+            translate_z(hole_depth) {
+                poly_cylinder(r = chuck_d / 2 + clearance / 2, h = 100);
+
+                poly_tube(or = ring_od / 2 + clearance, ir = ring_id / 2 - clearance, h = 2 * ring_h, center = true);
+
+                chamfer_hole(chamfer)
+                    poly_circle(ring_od / 2 + clearance);
+            }
+
+
+        }
+        translate_z(box_mm.z)
+            chamfer_hole(chamfer)
+                poly_circle(r = chuck_d / 2 + clearance / 2);
+    }
+
+module gridfinity_test()
+    stl_colour(pp1_colour) chuck_stand_stl();
+
+gridfinity_test();