Fixed include path in gridfinity test file.

Updated changelog.
Updated images and readme.
2025-09-03 12:22:46 +02:00 · 2025-08-11 16:05:36 +01:00 · 2025-07-29 21:04:39 +01:00 · 2025-07-29 20:51:04 +01:00 · 2025-07-29 20:48:41 +01:00 · 2025-07-29 20:48:13 +01:00
419 changed files with 255185 additions and 72025 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ times.txt
 *_diff.png
 *.echo
 cmd_times.txt
+*.gco
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,658 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.


+### [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.
+Added new pulleys to the test list and reodered.
+Printed pulleys nopw shown in two rows.
+Updated images and readme.
+
+*   2024-08-23 [`fe3ce88`](https://github.com/nophead/NopSCADlib/commit/fe3ce88086de8480a88b69b7f7d2e6376b03caa6 "show commit") [T.](# "texas") adding test code for weld nuts and rod ends, adding ball bearings to test code list, and updating code for dome screw heads to use an angle to determine inset distance of the lower taper
+
+*   2024-08-16 [`37fe83e`](https://github.com/nophead/NopSCADlib/commit/37fe83e2e08b6a0bd23042e37fbe89122d78516c "show commit") [T.](# "texas") added chamfer distance variable to taper in the bottom of the dome heads
+
+*   2024-08-14 [`f86dfef`](https://github.com/nophead/NopSCADlib/commit/f86dfef919731f9731ca39f70ebd07b2c7204dfa "show commit") [T.](# "texas") fixed the calculations for dome screws to now use equations for a scaled sphere cap instead.  This allows for larger and smaller sizes than were previously possible, and also eliminates the need for that lift value.  Adding M6 and M8 dome screws as a result of this new ability
+
+*   2024-08-14 [`e97f9fd`](https://github.com/nophead/NopSCADlib/commit/e97f9fdacc87bbc31cb9f0f3474132bc09f5ed91 "show commit") [=.](# "=") adding weld nuts
+
+*   2024-08-13 [`ba45f85`](https://github.com/nophead/NopSCADlib/commit/ba45f8558007c7efe6bfd17bebacf285293ba4ad "show commit") [A.](# "alex") adding weld nuts, m4 and m6 for now
+
+*   2024-03-18 [`90fb9eb`](https://github.com/nophead/NopSCADlib/commit/90fb9eb01f8721cb48589e59a14b3770da250cd5 "show commit") [A.](# "alex") adding F625 ball bearing
+
+*   2024-03-13 [`905fc01`](https://github.com/nophead/NopSCADlib/commit/905fc016778d6a78774c05236425463fa2aa3323 "show commit") [A.](# "alex") adding rod end bearing and a yellow bed spring
+
+*   2024-03-04 [`a695974`](https://github.com/nophead/NopSCADlib/commit/a695974ac562b88ed08cc3ea54a2a4e07f638c5f "show commit") [T.](# "Tex") updating after maybe breaking debian
+
+### [v21.25.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.25.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.24.1...v21.25.0 "diff with v21.24.1")
+*   2024-08-15 [`bc7f294`](https://github.com/nophead/NopSCADlib/commit/bc7f294f995d8aa8ba500a1ef666c8fb50f94fd3 "show commit") [C.P.](# "Chris Palmer") Added `smd_250V_fuse()` and `rd_box_cap()`.
+Fixed missing value parameters from a lot of the SMD component instantiation examples.
+
+#### [v21.24.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.24.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.24.0...v21.24.1 "diff with v21.24.0")
+*   2024-06-30 [`07866f7`](https://github.com/nophead/NopSCADlib/commit/07866f72845c9e08c90e371c92315bab54f003c6 "show commit") [H.](# "Hermann-SW") Add `PT_camera` to examples and gallery
+
+### [v21.24.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.24.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.23.2...v21.24.0 "diff with v21.23.2")
+*   2024-06-30 [`53d1ea9`](https://github.com/nophead/NopSCADlib/commit/53d1ea93cd339d3fb6e085be9314d7ec0b547796 "show commit") [C.P.](# "Chris Palmer") Can now specify a rotation angle for a `geared_stepper's` shaft.
+
+#### [v21.23.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.23.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.23.1...v21.23.2 "diff with v21.23.1")
+*   2024-06-12 [`b00709d`](https://github.com/nophead/NopSCADlib/commit/b00709da820e1241422b6e156b0c61157c18d63d "show commit") [C.P.](# "Chris Palmer") Image edge pixel changes due to new PC.
+
+*   2024-06-12 [`c76be23`](https://github.com/nophead/NopSCADlib/commit/c76be2386715b80bbbc9a71c99214df7f3c71bc7 "show commit") [C.P.](# "Chris Palmer") Fixed thread bug on threaded inserts revealed by latest OpenSCAD snapshot.
+
+*   2024-06-12 [`f6f348b`](https://github.com/nophead/NopSCADlib/commit/f6f348b76e7986927a571e1c07c3f866bcbeeafe "show commit") [C.P.](# "Chris Palmer") Fixed rocker slot height.
+
+#### [v21.23.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.23.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.23.0...v21.23.1 "diff with v21.23.0")
+*   2024-05-08 [`870b396`](https://github.com/nophead/NopSCADlib/commit/870b396574935603305462f1fea88564c909aad8 "show commit") [C.](# "Chris") Revoved strailing comma in `let()` in `splines.scad`.
+
+### [v21.23.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.23.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.22.0...v21.23.0 "diff with v21.22.0")
+*   2024-04-21 [`c1fdb2e`](https://github.com/nophead/NopSCADlib/commit/c1fdb2e701672b2404e34f224e77f21fb2ff34da "show commit") [C.P.](# "Chris Palmer") Dpdated images and readme.
+
+*   2024-04-20 [`cbe2c08`](https://github.com/nophead/NopSCADlib/commit/cbe2c085b72d0e5d9f0c6485d5fa7df0e172a4cc "show commit") [V.](# "V.Shcriabets") Add  RCWL-0516 PCB
+
+### [v21.22.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.22.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.21.0...v21.22.0 "diff with v21.21.0")
+*   2024-04-21 [`dbf930f`](https://github.com/nophead/NopSCADlib/commit/dbf930fd366c28aa9e581d9fe01e3654b882923a "show commit") [C.P.](# "Chris Palmer") Added cubic splines and Catmull Rom splines.
+
+### [v21.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.20.0...v21.21.0 "diff with v21.20.0")
+*   2024-04-21 [`97cea65`](https://github.com/nophead/NopSCADlib/commit/97cea65f41714acd31a3a3b968d8c133ce1a91d2 "show commit") [C.P.](# "Chris Palmer") Cable clips can now use inserts or nut traps.
+
+### [v21.20.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.20.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.19.2...v21.20.0 "diff with v21.19.2")
+*   2024-04-21 [`c7e912c`](https://github.com/nophead/NopSCADlib/commit/c7e912cd77e189ef729f94956245f1c6a9f72012 "show commit") [C.P.](# "Chris Palmer") A optional path can now be specified for tubing.
+
+#### [v21.19.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.19.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.19.1...v21.19.2 "diff with v21.19.1")
+*   2024-04-21 [`f563645`](https://github.com/nophead/NopSCADlib/commit/f563645e45817a4f89ef3cb1be9d932310c485c6 "show commit") [C.P.](# "Chris Palmer") Corrected M2 `nut_trap_depth,` was too big.
+
+#### [v21.19.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.19.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.19.0...v21.19.1 "diff with v21.19.0")
+*   2024-04-21 [`2840cc2`](https://github.com/nophead/NopSCADlib/commit/2840cc2390a8e776add8ca3ef715abfc8d15dadc "show commit") [C.P.](# "Chris Palmer") Washer now uses `sweep.scad` instead of including it, leaking its interface.
+
+### [v21.19.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.19.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.18.0...v21.19.0 "diff with v21.18.0")
+*   2024-04-21 [`a5b2018`](https://github.com/nophead/NopSCADlib/commit/a5b20180083ba8d3014bc298cf0e28c20e6be437 "show commit") [C.P.](# "Chris Palmer") Added `offset_paths()` to `sweep.scad`.
+`show_path()` now takes an optional radius.
+
+### [v21.18.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.18.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.17.0...v21.18.0 "diff with v21.17.0")
+*   2024-03-14 [`19dadcb`](https://github.com/nophead/NopSCADlib/commit/19dadcb58db0dd7408726c69d46cf2b7b26c764b "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2024-03-14 [`c565f29`](https://github.com/nophead/NopSCADlib/commit/c565f2912e7319575fc6ec3262699b73305c46b4 "show commit") [V.](# "V.Shkriabets") Update MT3608 pcb module
+
+### [v21.17.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.17.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.16.1...v21.17.0 "diff with v21.16.1")
+*   2024-03-14 [`5579c0d`](https://github.com/nophead/NopSCADlib/commit/5579c0d988c6d7983d3884afa7e42fdb283109a8 "show commit") [C.P.](# "Chris Palmer") Fixed `box_shelf_bracket()` horizontal holes.
+Added a third child to `box_shelf_bracket()` to allow custom additions.
+
+*   2024-03-14 [`67408f8`](https://github.com/nophead/NopSCADlib/commit/67408f8422918416c617ec7389dbc09b2c62a2ae "show commit") [C.P.](# "Chris Palmer") Added `d_hole()` module.
+
+*   2024-03-14 [`929abbe`](https://github.com/nophead/NopSCADlib/commit/929abbefda2c380b121c775371f197860c6c3aff "show commit") [C.P.](# "Chris Palmer") Updated front page image.
+
+*   2024-03-14 [`c7727e7`](https://github.com/nophead/NopSCADlib/commit/c7727e7106e3829a6b5f6c501b1a082d540a4a68 "show commit") [C.P.](# "Chris Palmer") Added Sellotape to sheets.
+
+*   2024-03-14 [`1dbba5a`](https://github.com/nophead/NopSCADlib/commit/1dbba5a650f8dac2d05a5668008e61a5ec22ea4f "show commit") [C.P.](# "Chris Palmer") Added `camera_lens_height()` function.
+
+#### [v21.16.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.16.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.16.0...v21.16.1 "diff with v21.16.0")
+*   2024-03-14 [`db2a9a8`](https://github.com/nophead/NopSCADlib/commit/db2a9a8a24966f098d4c0c8157de98a885b79a85 "show commit") [C.P.](# "Chris Palmer") Ziptie test can now show wires with t `=` 0.
+
+*   2024-03-14 [`6ced9c8`](https://github.com/nophead/NopSCADlib/commit/6ced9c871c5a637dbe8494836a4233e1f6cd4971 "show commit") [C.P.](# "Chris Palmer") Fixed FOV for ESP32 camera being rotated.
+Shortened the ESP32 camera header pins.
+
+*   2024-03-14 [`d6b00fb`](https://github.com/nophead/NopSCADlib/commit/d6b00fbf5719239adc5e8b66f863c003a50806d3 "show commit") [C.P.](# "Chris Palmer") Removed unused test code.
+
+*   2024-03-14 [`2c996bb`](https://github.com/nophead/NopSCADlib/commit/2c996bb7a143a85c21833a69f56f2f47afabe072 "show commit") [C.P.](# "Chris Palmer") Fixed random error caused by not running bom first.
+
+### [v21.16.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.16.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.15.0...v21.16.0 "diff with v21.15.0")
+*   2024-02-19 [`fdb92ec`](https://github.com/nophead/NopSCADlib/commit/fdb92ec263d60a42e04f06abfeec5e1648a12b6b "show commit") [C.P.](# "Chris Palmer") Improved layout to fit into front page view.
+
+*   2024-02-18 [`f6404b9`](https://github.com/nophead/NopSCADlib/commit/f6404b939f714b3121dc6e9737cc24f3b9c64ebb "show commit") [J.R.](# "Jeroen Roos") Added T-Tracks and accessories
+
+### [v21.15.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.15.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.14.0...v21.15.0 "diff with v21.14.0")
+*   2024-02-19 [`30c67e7`](https://github.com/nophead/NopSCADlib/commit/30c67e742bb3603fa41b41e1a144989947e58ad7 "show commit") [C.P.](# "Chris Palmer") Updated the front page image.
+
+*   2024-02-12 [`efb1153`](https://github.com/nophead/NopSCADlib/commit/efb1153e2245fa67193cd7b49ac0926239c3b703 "show commit") [J.R.](# "Jeroen Roos") Add threaded inserts
+
+### [v21.14.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.14.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.13.1...v21.14.0 "diff with v21.13.1")
+*   2024-02-18 [`63a4271`](https://github.com/nophead/NopSCADlib/commit/63a4271c4c1bc97e93e67e8178515be1cfda9e43 "show commit") [C.P.](# "Chris Palmer") Updated libtest image.
+
+*   2024-02-18 [`0edf3a2`](https://github.com/nophead/NopSCADlib/commit/0edf3a2f75d729aa663836878d278226e7bd8094 "show commit") [C.P.](# "Chris Palmer") Cable clips can now handle up to 9 wires, have the nut and bolt flipped or use an insert.
+`cable_radius()` now handles cables with up to 20 wires.
+`cable_bundle()` and `cable_bundle_positions()` now handle bundles up to 9 wires.
+Added `cable_merge()`.
+
+#### [v21.13.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.13.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.13.0...v21.13.1 "diff with v21.13.0")
+*   2024-02-10 [`8540e04`](https://github.com/nophead/NopSCADlib/commit/8540e04a10d83be4ff454fa8999614e5137dd0ab "show commit") [C.P.](# "Chris Palmer") Metal hex pillars now chamfered.
+
+### [v21.13.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.13.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.12.0...v21.13.0 "diff with v21.12.0")
+*   2024-02-10 [`7947810`](https://github.com/nophead/NopSCADlib/commit/79478104d6b3a8673ae405606d2576ad98c4e90e "show commit") [C.P.](# "Chris Palmer") Dome option added to nut to draw acorn nuts.
+Chamfers added to nuts and hex head screws when manifold is used.
+
+*   2024-02-10 [`38196e9`](https://github.com/nophead/NopSCADlib/commit/38196e9f78f07d0f9a4eca0355cc6e99f29332fb "show commit") [C.P.](# "Chris Palmer") Mods to allow the manifold experimental option to be used.
+
+*   2024-02-05 [`9666c01`](https://github.com/nophead/NopSCADlib/commit/9666c018a0a99be8d24a2454a4c1448b09f83af0 "show commit") [C.P.](# "Chris Palmer") Made sheet overridable in `box_base_blank()`.
+
+### [v21.12.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.12.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.11.0...v21.12.0 "diff with v21.11.0")
+*   2024-02-05 [`38988ba`](https://github.com/nophead/NopSCADlib/commit/38988bacfa41dea19408b19cf06f134e51338ab0 "show commit") [C.P.](# "Chris Palmer") Updated images.
+
+*   2024-02-04 [`8298039`](https://github.com/nophead/NopSCADlib/commit/82980392c9c9d13aa4619db888bd38c620b09ac0 "show commit") [J.R.](# "Jeroen Roos") Add extra MDF thicknesses
+
+*   2024-02-05 [`1ce7b64`](https://github.com/nophead/NopSCADlib/commit/1ce7b64c73c77aa86f20c2b069ee031b30024818 "show commit") [C.P.](# "Chris Palmer") Updated image.
+
+*   2024-02-04 [`f85fdca`](https://github.com/nophead/NopSCADlib/commit/f85fdca051a3cd11a35bfe2424c50cc4da018de4 "show commit") [J.R.](# "Jeroen Roos") Add generating SVG file for CNC usage
+
+ * Generate SVG files, like DXF files for CNC usage
+
+*   2024-02-04 [`926dd8c`](https://github.com/nophead/NopSCADlib/commit/926dd8ca908030328d394dcc20e16ce036cbc51c "show commit") [C.P.](# "Chris Palmer") Reordered the PCB lists to fix the layout.
+Updated the images.
+
+*   2024-02-02 [`3961d7f`](https://github.com/nophead/NopSCADlib/commit/3961d7f1a4d3fd04a2fb174735d52ad8f95ecf7a "show commit") [L.B.](# "Lukas Burger") add HW-803 5V 1 way relay module
+
+*   2024-02-04 [`43b101a`](https://github.com/nophead/NopSCADlib/commit/43b101ae1eb063018b29eb97172722d1977c1c53 "show commit") [C.P.](# "Chris Palmer") Reordered the display list into reducing height for better layout.
+Updated the images.
+
+*   2024-01-31 [`1996189`](https://github.com/nophead/NopSCADlib/commit/1996189ab232820a16cfa4a4b2d627cf508d6eb9 "show commit") [L.B.](# "Lukas Burger") update readme file
+
+*   2024-01-30 [`9f8c309`](https://github.com/nophead/NopSCADlib/commit/9f8c3096435b7fea8a8870f07781a0f52adac7c3 "show commit") [L.B.](# "Lukas Burger") add display LCD2004A
+
+*   2024-02-04 [`e3ad327`](https://github.com/nophead/NopSCADlib/commit/e3ad32713dbb5dfab3a14d70f9c6f5f8aaaa59d1 "show commit") [C.](# "Chris") Rename `pcb_utils.scad` to `PCB_utils.scad`
+
+ * Fixed the filename case of `PCB_utils.scad`.
+
+*   2024-01-14 [`3995f68`](https://github.com/nophead/NopSCADlib/commit/3995f685dd31b087a2eec4cfe8b9f760f5eef3b9 "show commit") [C.P.](# "Chris Palmer") Removed debug `echo()`.
+
+### [v21.11.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.11.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.10.1...v21.11.0 "diff with v21.10.1")
+*   2024-01-14 [`41859ec`](https://github.com/nophead/NopSCADlib/commit/41859ec2245e3fee41cb9c79fb5a627193a4fec8 "show commit") [C.P.](# "Chris Palmer") Added `screw_thread_radius()` and `screw_angle()` functions.
+
+*   2024-01-14 [`cd95ef9`](https://github.com/nophead/NopSCADlib/commit/cd95ef95abed30e4004905972c9abcacdad0dc5e "show commit") [C.P.](# "Chris Palmer") Added GT2x12, GT3x6, GT3x9 and GT3x12 belts.
+
+*   2024-01-12 [`7a9e738`](https://github.com/nophead/NopSCADlib/commit/7a9e73830e16a843a14debb8d9b770243067cf63 "show commit") [C.P.](# "Chris Palmer") Belt part number is not always the same as the pitch.
+
+#### [v21.10.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.10.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.10.0...v21.10.1 "diff with v21.10.0")
+*   2023-12-01 [`ebe2dfd`](https://github.com/nophead/NopSCADlib/commit/ebe2dfd4fd8ba042b634030f7d463d0ba0d8c4cd "show commit") [C.P.](# "Chris Palmer") Fixed explode line position on short inserts.
+
+### [v21.10.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.10.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.9.1...v21.10.0 "diff with v21.9.1")
+*   2023-11-27 [`0137a43`](https://github.com/nophead/NopSCADlib/commit/0137a43a638777ecdf6b311579006c0922650a9c "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-11-12 [`72e5d1a`](https://github.com/nophead/NopSCADlib/commit/72e5d1abfb744ddcdf665b02ba7a1cf2b6bcff38 "show commit") [X.](# "XrXca") Update `pcbs.scad`
+
+ * Update `pcbs.scad`
+
+ * Update `pcbs.scad`
+
+ * Update `pcbs.scad`
+
+*   2023-11-27 [`b5afd7b`](https://github.com/nophead/NopSCADlib/commit/b5afd7bd41a1a46b7a1745c30755b3fb6c25b9a1 "show commit") [C.P.](# "Chris Palmer") ESP-01M added.
+
+#### [v21.9.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.9.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.9.0...v21.9.1 "diff with v21.9.0")
+*   2023-11-26 [`b9d1017`](https://github.com/nophead/NopSCADlib/commit/b9d101749eb2b19963299d85b75f0fa489fba552 "show commit") [C.P.](# "Chris Palmer") Updated images due to pixel differences on new PC
+
+*   2023-11-26 [`17979d3`](https://github.com/nophead/NopSCADlib/commit/17979d320539ca861300ecd4e42c01a913861066 "show commit") [C.P.](# "Chris Palmer") Fixed typo in comment.
+
+*   2023-10-30 [`73567ed`](https://github.com/nophead/NopSCADlib/commit/73567eda396214f1f882d62fb1d8a0ecbf2e7d94 "show commit") [C.P.](# "Chris Palmer") MULTIWATT11 package now generates a BOM entry.
+
+*   2023-10-30 [`f5c74a8`](https://github.com/nophead/NopSCADlib/commit/f5c74a8561f1e76f331c2d0027ecfd34bb2e7f3b "show commit") [C.P.](# "Chris Palmer") Corrected gallery.
+
+*   2023-10-30 [`04090b8`](https://github.com/nophead/NopSCADlib/commit/04090b816bfa3b6587cf6dcddbd54e5a94cb2420 "show commit") [C.P.](# "Chris Palmer") Updated the gallery.
+
+*   2023-10-29 [`06d4918`](https://github.com/nophead/NopSCADlib/commit/06d49186300b03bf4699cefbbcef0c0b8f7e9caa "show commit") [C.P.](# "Chris Palmer") Updated examples.
+
+### [v21.9.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.9.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.8.0...v21.9.0 "diff with v21.8.0")
+*   2023-10-29 [`2d091b9`](https://github.com/nophead/NopSCADlib/commit/2d091b9d16d33cf8b8751b2a436019c9032422a3 "show commit") [C.P.](# "Chris Palmer") Added a constructor function for PCBs.
+PCB text can now specify a colour.
+Added `SOT23_6,` `TSOT23_8` and CAP1210 SMD packages.
+Added ESP-201 Wifi Module PCB.
+Added ESP12F Wifi module.
+Added `tiny_buck` converter PCB.
+Made 2p54joiner a bit longer.
+Fixed SOIC gullwing shape.
+Added Wifi antennas.
+Added Yunpen filtered IEC mains inlet.
+Added power jack socket.
+Added right angle option for LEDs.
+Added `gear_motors`.
+Added 686ZZ and 696ZZ ball bearings.
+Added two larger box section tubes.
+Added right angle option to `square_buttons`. Doesn't draw the frame yet.
+Added multiwatt11 package for L6203.
+Added ONS9143A 13A mains socket.
+Added radial electrolytic capacitors.
+Added `LDE10_20B` PSU module.
+Added `screw_tearsink()` to make horizontal countersunk holes.
+Can now have solid tracks on veroboard.
+Added `veroboard_base()` module to make an STL for a base with spacers.
+Corrected M6 spring washer thickness.
+Can now specify the height of a solder meniscus.
+`slot()` now has a `center` option.
+Added `button_6mm_7` with a taller button.
+Added default fa, fs and fn constants used for drawing vitamins.
+These can be set via `$default_fa` and `$default_fs` that can also be set
+by environment variables: `NOPSCADLIB_DEFAULT_FA` and `NOPSCADLIB_DEFAULT_FS`.
+
+### [v21.8.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.8.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.7.0...v21.8.0 "diff with v21.7.0")
+*   2023-07-28 [`74293b6`](https://github.com/nophead/NopSCADlib/commit/74293b6c22c51c326e2d541d1a68a1cd63659c2b "show commit") [C.](# "Chris") Added axial diodes, radial transistors, discs and modules.
+Verboard and perboard components get solder menisci added automatically.
+Radial leads now made by bezier curves rather than straights and arcs.
+
+### [v21.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.6.1...v21.7.0 "diff with v21.6.1")
+*   2023-07-22 [`523fc9e`](https://github.com/nophead/NopSCADlib/commit/523fc9e9a5c8a566bde2bfe8555d5f6dddd8f05b "show commit") [C.](# "Chris") Adafruit Feather 405 contributed by Chris Lott.
+
+#### [v21.6.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.6.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.6.0...v21.6.1 "diff with v21.6.0")
+*   2023-07-22 [`09d2ffb`](https://github.com/nophead/NopSCADlib/commit/09d2ffb126cf9d9ad2d68171583e11708227b704 "show commit") [C.](# "Chris") Typo in comment fixed.
+
+*   2023-07-22 [`3c37035`](https://github.com/nophead/NopSCADlib/commit/3c370359c838a48d85e25709bcbced61249c237d "show commit") [C.](# "Chris") Make front page `readme.md` labels lower case as GitHub seems have stopped working with uppercase.
+
+### [v21.6.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.6.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.5.1...v21.6.0 "diff with v21.5.1")
+*   2023-07-22 [`e3cde64`](https://github.com/nophead/NopSCADlib/commit/e3cde64b61b6abfc4a2883e8aa32b66346fde1c4 "show commit") [C.](# "Chris") `open_bearing_theta()` now derived from `open_bearing_width()`.
+
+*   2023-07-22 [`e61ce02`](https://github.com/nophead/NopSCADlib/commit/e61ce0241443fb2c1f0585953bd3f7383b217086 "show commit") [C.](# "Chris") Moved things around for better test images.
+
+*   2023-07-22 [`f8e1256`](https://github.com/nophead/NopSCADlib/commit/f8e125654ed60842d6ca7f33a91377d9cb5f1dc9 "show commit") [C.](# "Chris") Rendred the 3D difference.
+
+*   2023-07-22 [`62b1511`](https://github.com/nophead/NopSCADlib/commit/62b1511c82eacb5124302aed36a52fe0d8104385 "show commit") [C.](# "Chris") Removed 3D difference for speed.
+
+*   2023-06-27 [`84d98a1`](https://github.com/nophead/NopSCADlib/commit/84d98a1081d38c56d5b02645a99223b7616fcd70 "show commit") [J.R.](# "Jeroen Roos") Added SBR rails
+
+ * This change adds
+- SBR rails. For now only SBR16
+- The bearing block that goes with it (SBR16UU)
+- An 'open' linear bearing (LM16UUOP) that is used by the bearing block
+- A 28mm circlip that has a wider opening than then normal circlip.
+`(circlip_28iw)`
+
+#### [v21.5.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.5.0...v21.5.1 "diff with v21.5.0")
+*   2023-06-29 [`5899ffe`](https://github.com/nophead/NopSCADlib/commit/5899ffe88f7952108ce928a5a6188b4aad5044c5 "show commit") [C.](# "Chris") More typos in comments.
+
+*   2023-06-28 [`b051311`](https://github.com/nophead/NopSCADlib/commit/b05131145caf500cd9198b1e9b9fafc69506b50f "show commit") [C.](# "Chris") Comment typo.
+
+### [v21.5.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.4.1...v21.5.0 "diff with v21.4.1")
+*   2023-05-08 [`c3f3d62`](https://github.com/nophead/NopSCADlib/commit/c3f3d629b1ff79d40cc5ad3efcb33e940d6c8056 "show commit") [C.P.](# "Chris Palmer") Added PanelDue V3.
+
+*   2023-05-08 [`c7ba052`](https://github.com/nophead/NopSCADlib/commit/c7ba052ccf24d764aa6460d4559e92596c9e4cf4 "show commit") [C.P.](# "Chris Palmer") Added SMD QFP package.
+
+*   2023-05-08 [`c2c5f50`](https://github.com/nophead/NopSCADlib/commit/c2c5f509860b909ca8fca5ffcc65dbef2f7177c5 "show commit") [C.P.](# "Chris Palmer") Can now used `smd_res()` to draw chokes.
+
+*   2023-05-08 [`d0ae8ca`](https://github.com/nophead/NopSCADlib/commit/d0ae8ca216108f53c9b8e60896ea9b59b845b7e0 "show commit") [C.P.](# "Chris Palmer") Added the ability to have more than one grid on a PCB.
+
+*   2023-05-08 [`e81dcfd`](https://github.com/nophead/NopSCADlib/commit/e81dcfdbd8163ce8e2db450f3a20c296c21327a8 "show commit") [C.P.](# "Chris Palmer") Added right angle option to box headers.
+
+#### [v21.4.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.4.0...v21.4.1 "diff with v21.4.0")
+*   2023-05-08 [`06a286d`](https://github.com/nophead/NopSCADlib/commit/06a286dc989e9cc8cf7918049cd16a862b1a9b94 "show commit") [C.P.](# "Chris Palmer") Fixed missing BOM entry for JST connectors.
+Fixed default colour for JST connectors.
+Corrected BOM entry to show right angle options on Molex and pin headers.
+
+*   2023-05-08 [`f5496c3`](https://github.com/nophead/NopSCADlib/commit/f5496c373a1ab8ae47d07cc0a52d76e4299876cc "show commit") [C.P.](# "Chris Palmer") Fixed typo in `smd_diode(DO214AC)` package name.
+
+### [v21.4.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.3.1...v21.4.0 "diff with v21.3.1")
+*   2023-05-01 [`5e24a32`](https://github.com/nophead/NopSCADlib/commit/5e24a32a0b422e8032c3c5d377c1a756ff6f1022 "show commit") [C.P.](# "Chris Palmer") Added ESP32 camera.
+
+*   2023-05-01 [`fbd8d8c`](https://github.com/nophead/NopSCADlib/commit/fbd8d8c7cdff0bd7de0d42aa74bf0ab6551c205b "show commit") [C.P.](# "Chris Palmer") Added `smd_coax`
+
+#### [v21.3.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.3.0...v21.3.1 "diff with v21.3.0")
+*   2023-04-29 [`b1592f5`](https://github.com/nophead/NopSCADlib/commit/b1592f51d4b16a125d9b28edae56f758fcac2f02 "show commit") [C.P.](# "Chris Palmer") Fixed `bom.py,` `views.py` and `tests.py` so that vitamin descriptions can contain more than one colon.
+
+### [v21.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.2.0...v21.3.0 "diff with v21.2.0")
+*   2023-04-23 [`61fc194`](https://github.com/nophead/NopSCADlib/commit/61fc19499524a2b750d17a90627a697bf626bbf0 "show commit") [C.P.](# "Chris Palmer") Refactored for readability.
+
+*   2023-04-23 [`f8af615`](https://github.com/nophead/NopSCADlib/commit/f8af61568a8362cf470bc9eb8de8323c8fc001c7 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-04-23 [`05d1684`](https://github.com/nophead/NopSCADlib/commit/05d16841c4d48c5c8f453e438af0ff6eb5bffe53 "show commit") [C.P.](# "Chris Palmer") Fixed thread pitch.
+
+*   2023-04-05 [`07e7eb7`](https://github.com/nophead/NopSCADlib/commit/07e7eb77f73fcaab4291388b49781b0e2de5a64c "show commit") [M.B.](# "Martin Budden") Added support for shoulder screws.
+
+### [v21.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.1.2...v21.2.0 "diff with v21.1.2")
+*   2023-04-22 [`5fc70e1`](https://github.com/nophead/NopSCADlib/commit/5fc70e19ac5d320290f4a2151665e83f0829d796 "show commit") [C.P.](# "Chris Palmer") Added SMD Tantalum caps and 0502 and 0402 resistor and capacitors.
+
+#### [v21.1.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.1...v21.1.2 "diff with v21.1.1")
+*   2023-03-29 [`1c5d9a8`](https://github.com/nophead/NopSCADlib/commit/1c5d9a8ef5892caf9b2c4d0d84dc3d20eba699d3 "show commit") [C.P.](# "Chris Palmer") Removed utility functions used by `invert()` from documentation as not generally useful.
+
+#### [v21.1.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.0...v21.1.1 "diff with v21.1.0")
+*   2023-03-29 [`d3f0bfc`](https://github.com/nophead/NopSCADlib/commit/d3f0bfc17f82b42f2d81f2d72a54c3f0cc375604 "show commit") [C.P.](# "Chris Palmer") Fixed typo in resistor comment.
+
+### [v21.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.0.1...v21.1.0 "diff with v21.0.1")
+*   2023-03-11 [`18cd33c`](https://github.com/nophead/NopSCADlib/commit/18cd33c66388d4d4e7be664c0f883cff0854524b "show commit") [C.](# "Chris") Fixed typos, corrected vitamin call, added boilerplate, updated images and readme.
+
+*   2023-03-11 [`ebfb330`](https://github.com/nophead/NopSCADlib/commit/ebfb330ac69f4e90de84ecffea94ce067d041031 "show commit") [D.K.](# "Dirkjan Krijnders") Added comments and make holes a `linear_extrude` result
+
+*   2023-03-08 [`c5fab08`](https://github.com/nophead/NopSCADlib/commit/c5fab08a454383b295be2b151fd715ee79b85db3 "show commit") [D.K.](# "Dirkjan Krijnders") Added `photo_interrupter` to the test
+
+*   2023-03-08 [`fecc937`](https://github.com/nophead/NopSCADlib/commit/fecc93746ab80ad1fc74f0fe3465de92ffee7b36 "show commit") [D.K.](# "Dirkjan Krijnders") Added vitamins for photo interrupters
+
+#### [v21.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.0.0...v21.0.1 "diff with v21.0.0")
+*   2023-03-11 [`07da7d8`](https://github.com/nophead/NopSCADlib/commit/07da7d8dc7d3fb769e57a6b9ca86465357007b6c "show commit") [C.](# "Chris") Removed `Python2.7` from `usage.md` as no longer works.
+
+*   2023-03-10 [`5a3bbf9`](https://github.com/nophead/NopSCADlib/commit/5a3bbf967dc967eca4726af517382e7eb875dde1 "show commit") [C.](# "Chris") Fixed broken cover image.
+
+## [v21.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v20.24.0...v21.0.0 "diff with v20.24.0")
+*   2023-03-10 [`9d4d5ab`](https://github.com/nophead/NopSCADlib/commit/9d4d5aba17974e7b5911e723d48d7b9403a4bcb4 "show commit") [C.](# "Chris") `veroboard_assembly()` renamed `veroboard_fastened_assembly()`.
+`veroboard_assembly()` now doesn't include the fasteners.
+
+### [v20.24.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.24.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.23.0...v20.24.0 "diff with v20.23.0")
+*   2023-03-10 [`d939401`](https://github.com/nophead/NopSCADlib/commit/d939401183d12af3452e17aa5b020dab50f8edb0 "show commit") [C.](# "Chris") Added `vero_grid_pos()` function.
+
+*   2023-03-10 [`584542f`](https://github.com/nophead/NopSCADlib/commit/584542f87a27efe06ff3ba597dbaff1f3c32c4fd "show commit") [C.](# "Chris") Added fastons.
+
+*   2023-03-10 [`62372a0`](https://github.com/nophead/NopSCADlib/commit/62372a049b9ac7a0fecebfd3618df91ff6ffa87a "show commit") [C.](# "Chris") The `wire()` module can now draw wires if a path is specified.
+
+*   2023-03-10 [`14698e5`](https://github.com/nophead/NopSCADlib/commit/14698e5203e1e860230ddb3729816730e221f49c "show commit") [C.](# "Chris") Added PTFE heatshrink sleeving.
+
+*   2023-03-10 [`14f6bb5`](https://github.com/nophead/NopSCADlib/commit/14f6bb533a3dcc1d36b2b764906cdca7d8d24484 "show commit") [C.](# "Chris") Added `sleeving_length` to `al_clad_resistor_assembly()`.
+
+*   2023-03-10 [`01e9aae`](https://github.com/nophead/NopSCADlib/commit/01e9aae698f57bac6046d1a04aaa11b0c88006b5 "show commit") [C.](# "Chris") Added `TO220_size()` and `TO220_lead_pos(i,` l).
+
+*   2023-02-04 [`27f9b24`](https://github.com/nophead/NopSCADlib/commit/27f9b242f250c0083344a05527055bb2fbb56f91 "show commit") [C.P.](# "Chris Palmer") Added crystal, transistors, diode and LEDs to Arduino Uno.
+
+*   2023-02-03 [`f07fda7`](https://github.com/nophead/NopSCADlib/commit/f07fda70cdfc743cd2462636fcc1eb13a092f9e4 "show commit") [C.P.](# "Chris Palmer") Wire links can now be sleeved.
+
+*   2023-02-01 [`abf1f1a`](https://github.com/nophead/NopSCADlib/commit/abf1f1ab3f3eddc2f274df649e8481a4117901eb "show commit") [C.P.](# "Chris Palmer") PCB blocks can now have rounded edges for more realistic cans.
+
+### [v20.23.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.23.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.22.0...v20.23.0 "diff with v20.22.0")
+*   2023-02-01 [`470d6d6`](https://github.com/nophead/NopSCADlib/commit/470d6d6216b1cef8ce6cafd4b14300edb62eac4a "show commit") [C.P.](# "Chris Palmer") Started radial components with crystals.
+
+*   2023-02-01 [`0e5e15a`](https://github.com/nophead/NopSCADlib/commit/0e5e15a747fed6b4ef434c9796bef6cb9e658c0e "show commit") [C.P.](# "Chris Palmer") Added SOIC14 package.
+
+*   2023-02-01 [`3f84912`](https://github.com/nophead/NopSCADlib/commit/3f84912e555cd4f7e97e7cac3091260fe969df4c "show commit") [C.P.](# "Chris Palmer") Added `rounded_top_rectangle()`.
+
+### [v20.22.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.22.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.21.0...v20.22.0 "diff with v20.21.0")
+*   2023-01-29 [`01eeafb`](https://github.com/nophead/NopSCADlib/commit/01eeafb2552a4fcc735e85e8d0e7c0855c18be8c "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-01-29 [`dd876c8`](https://github.com/nophead/NopSCADlib/commit/dd876c8fc9f2658332c1c3200a6a67e1b78a8f64 "show commit") [C.P.](# "Chris Palmer") Added vertical USB connector to PCB test.
+
+*   2023-01-29 [`ff40a27`](https://github.com/nophead/NopSCADlib/commit/ff40a276e1a37836ab011689e849da76ce19d4a7 "show commit") [C.P.](# "Chris Palmer") Fixed display position in tests.
+
+*   2023-01-29 [`463c620`](https://github.com/nophead/NopSCADlib/commit/463c620cc3053428ecf7ca6360477992b9538978 "show commit") [C.P.](# "Chris Palmer") Made a new row of PCBs in the test.
+
+*   2023-01-29 [`7b1a916`](https://github.com/nophead/NopSCADlib/commit/7b1a9160434f5b000c83f03d39305f73b0bbf646 "show commit") [C.P.](# "Chris Palmer") Fixed vAx1 dimensions, removed flange and repositioned the tongue.
+
+*   2023-01-28 [`de05134`](https://github.com/nophead/NopSCADlib/commit/de051343d01e57b5e0c43a5f8de69eb508bd86ca "show commit") [E.F.](# "Elliot Foster") WiP of an Orange Pi Zero 2 PCB
+
+### [v20.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.20.1...v20.21.0 "diff with v20.20.1")
+*   2023-01-28 [`34719c3`](https://github.com/nophead/NopSCADlib/commit/34719c33607f8720701eb59719af337cb4a1b777 "show commit") [C.P.](# "Chris Palmer") Box shelves now have screws in the corners to hold them down.
+
+*   2023-01-28 [`024439d`](https://github.com/nophead/NopSCADlib/commit/024439d4c2d0f302027d130584cedadb6d9d14a9 "show commit") [C.P.](# "Chris Palmer") Can now specify short inserts to be used for `butt_boxes`.
+
+#### [v20.20.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.20.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.20.0...v20.20.1 "diff with v20.20.0")
+*   2023-01-28 [`005c112`](https://github.com/nophead/NopSCADlib/commit/005c112ba9fc210f88fa82cf638108dbe0b20f26 "show commit") [C.P.](# "Chris Palmer") Added values to the SMD capacitors on the example PCB.
+
+*   2023-01-28 [`dfbcbf8`](https://github.com/nophead/NopSCADlib/commit/dfbcbf84ab57a2c70aaf5b1fa26668278b6993d3 "show commit") [C.P.](# "Chris Palmer") Changed OpenGrab link as `nicadrone.com` has gone.
+
+### [v20.20.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.20.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.19.1...v20.20.0 "diff with v20.19.1")
+*   2023-01-24 [`e7e9313`](https://github.com/nophead/NopSCADlib/commit/e7e9313e71fb2b30aca142ceded2dc5615695071 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-01-23 [`dab06ce`](https://github.com/nophead/NopSCADlib/commit/dab06ce4ca771787aa625d1370b4f2b779580315 "show commit") [E.F.](# "Elliot Foster") Add Raspberry Pi 3 A+ to pcbs
+
+#### [v20.19.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.19.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.19.0...v20.19.1 "diff with v20.19.0")
+*   2023-01-24 [`494002a`](https://github.com/nophead/NopSCADlib/commit/494002aebeda560e65ca4f8cb3794707487a3c2a "show commit") [C.P.](# "Chris Palmer") Added test to MP1584EN PCB.
+
+*   2023-01-24 [`77e948f`](https://github.com/nophead/NopSCADlib/commit/77e948f43c911442211bcbf6d1b1520184d2c70b "show commit") [C.P.](# "Chris Palmer") Added can bus connectors to OpenGrab model.
+Tweaked some PCB component positions.
+
+*   2023-01-24 [`543cdb4`](https://github.com/nophead/NopSCADlib/commit/543cdb4e01d38308a06d4368ebabadb85c696567 "show commit") [C.P.](# "Chris Palmer") Increased the clearance of holes made for pin header.
+
+### [v20.19.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.19.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.18.1...v20.19.0 "diff with v20.18.1")
+*   2023-01-12 [`ebd50ba`](https://github.com/nophead/NopSCADlib/commit/ebd50bae535283b94b310ee74c9b98b2e3b7f8be "show commit") [C.P.](# "Chris Palmer") Added SMD diodes, inductors and potentiometers.
+Complete set of components added to MP1584EN buck regulator.
+
+#### [v20.18.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.18.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.18.0...v20.18.1 "diff with v20.18.0")
+*   2023-01-07 [`ec3e752`](https://github.com/nophead/NopSCADlib/commit/ec3e752fc5b5586ef5ac838c709ab4b704dac817 "show commit") [C.](# "Chris") Added missing documentation for `hinge_female()` module.
+
+### [v20.18.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.18.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.17.0...v20.18.0 "diff with v20.17.0")
+*   2023-01-07 [`8587d52`](https://github.com/nophead/NopSCADlib/commit/8587d52d1b87dc9932c7e458798d4a6f3722a371 "show commit") [C.](# "Chris") Added `screw_keyhole()` module.
+
+### [v20.17.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.17.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.16.0...v20.17.0 "diff with v20.16.0")
+*   2023-01-07 [`cec8c3a`](https://github.com/nophead/NopSCADlib/commit/cec8c3a107b81f8badb4e2077a318cc36fcdd481 "show commit") [C.](# "Chris") Added printed LED bezels.
+
+### [v20.16.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.16.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.15.2...v20.16.0 "diff with v20.15.2")
+*   2023-01-07 [`848dcb8`](https://github.com/nophead/NopSCADlib/commit/848dcb86b9f1d9a164366208da76faea6d6050f1 "show commit") [C.](# "Chris") Added 8mm LED.
+
+#### [v20.15.2](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.15.1...v20.15.2 "diff with v20.15.1")
+*   2023-01-07 [`a31f6f1`](https://github.com/nophead/NopSCADlib/commit/a31f6f100ce18168594b02a25d5229536f02a65c "show commit") [C.](# "Chris") Revised LED dimensions.
+
+*   2023-01-07 [`b3dd635`](https://github.com/nophead/NopSCADlib/commit/b3dd635889f7ed4f779ee9408ff81ac64cb1f7ec "show commit") [C.](# "Chris") Fixed duplicated `dxf()` calls in printed box and `butt_box`.
+Client code now calls `dxf()` so that the generated files can be used to speed up assembly views.
+
+#### [v20.15.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.15.0...v20.15.1 "diff with v20.15.0")
+*   2022-12-06 [`e256801`](https://github.com/nophead/NopSCADlib/commit/e256801206189eafcf020cc7fdb50fff4314c397 "show commit") [C.P.](# "Chris Palmer") Added comment to indicate the `.py` suffix may be needed on linux and OSX.
+
+### [v20.15.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.15.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.14.1...v20.15.0 "diff with v20.14.1")
+*   2022-12-05 [`9dc8062`](https://github.com/nophead/NopSCADlib/commit/9dc8062befa72c6650b17d34428bfe39e709fdc2 "show commit") [M.W.](# "Marek Wodzinski") Include `terminal.scad` in `lib.scad` to allow use of `terminal_block()`.
+
+#### [v20.14.1](https://github.com/nophead/NopSCADlib/releases/tag/v20.14.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v20.14.0...v20.14.1 "diff with v20.14.0")
+*   2022-10-20 [`f2313a3`](https://github.com/nophead/NopSCADlib/commit/f2313a3f0ccbb130a7bd974b9a02f5ef6841f39e "show commit") [D.](# "drf5n") update `nuts.scad` table comment
+
+ * Change comment about nut sizes from radius to diameter.
+
 ### [v20.14.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.14.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.13.0...v20.14.0 "diff with v20.13.0")
 *   2022-09-29 [`f1737d2`](https://github.com/nophead/NopSCADlib/commit/f1737d257b54957772ab6faea102f8ddb829119b "show commit") [C.](# "Chris") Updated images and readme.

@@ -383,7 +1035,7 @@ veroboard track cuts made slightly bigger.

 *   2021-10-01 [`042d809`](https://github.com/nophead/NopSCADlib/commit/042d809ed056ba55c32f1d850b81dcf559fe9134 "show commit") [C.P.](# "Chris Palmer") Resistor and thermistor wires made more round.

-*   2021-10-01 [`3864839`](https://github.com/nophead/NopSCADlib/commit/3864839e521eb64189cba8453ea8835d6ffadd75 "show commit") [C.P.](# "Chris Palmer") Fixed encoder breakout descripion typo.
+*   2021-10-01 [`3864839`](https://github.com/nophead/NopSCADlib/commit/3864839e521eb64189cba8453ea8835d6ffadd75 "show commit") [C.P.](# "Chris Palmer") Fixed encoder breakout description typo.

 *   2021-10-01 [`2ba2c2c`](https://github.com/nophead/NopSCADlib/commit/2ba2c2c115d4ab6c2371c662a3e54d7c77aa7785 "show commit") [C.P.](# "Chris Palmer") Removed some unused dependencies.

@@ -402,9 +1054,9 @@ Lead length removed from TO220 and TO247 vitamin string.
 Mainly text spacing changes.

 *   2021-09-27 [`9b5ec6a`](https://github.com/nophead/NopSCADlib/commit/9b5ec6af1aba313df6812a5313470ebb7e8fbdd7 "show commit") [C.P.](# "Chris Palmer") Fixed new `rounded_polygon` to work with last OpenSCAD release.
-Trainling commas in `let()`.
+Trailing commas in `let()`.

-*   2021-09-27 [`50958b0`](https://github.com/nophead/NopSCADlib/commit/50958b064d5a6d5ca3fd6525a8c3d3a2c5b20199 "show commit") [C.P.](# "Chris Palmer") Added `$show_plugs` to show crude reprentations of housings on `pin_headers` and Molex KK headers.
+*   2021-09-27 [`50958b0`](https://github.com/nophead/NopSCADlib/commit/50958b064d5a6d5ca3fd6525a8c3d3a2c5b20199 "show commit") [C.P.](# "Chris Palmer") Added `$show_plugs` to show crude representations of housings on `pin_headers` and Molex KK headers.

 *   2021-09-27 [`c37373c`](https://github.com/nophead/NopSCADlib/commit/c37373c920d3b438895ef535b0c06d0d00675609 "show commit") [C.P.](# "Chris Palmer") Added `TO247()` and `TO247_size()` to `component.scad`.

@@ -745,7 +1397,7 @@ Changelog updated.

 *   2021-03-06 [`b83e567`](https://github.com/nophead/NopSCADlib/commit/b83e56713fbde2ac25e9750c369ae9cec4d67913 "show commit") [M.B.](# "Martin Budden") Reordered openscad command line parameters.

-*   2021-03-04 [`da4f9fb`](https://github.com/nophead/NopSCADlib/commit/da4f9fbdc31d2ceaa853c2fa0270e6961fde28b9 "show commit") [C.P.](# "Chris Palmer") Typo in `changlog.py` doc string.
+*   2021-03-04 [`da4f9fb`](https://github.com/nophead/NopSCADlib/commit/da4f9fbdc31d2ceaa853c2fa0270e6961fde28b9 "show commit") [C.P.](# "Chris Palmer") Typo in `changelog.py` doc string.

 *   2021-03-03 [`614e5f3`](https://github.com/nophead/NopSCADlib/commit/614e5f3a72db309a3dee996d7241317556883e8d "show commit") [C.P.](# "Chris Palmer") Issues in the changelog now link to to the issue.

@@ -928,7 +1580,7 @@ Smaller PCBs closer together to make space.
 *   2021-01-15 [`7f9122a`](https://github.com/nophead/NopSCADlib/commit/7f9122ae662ab0bd660e5c2f5ab6c507797030da "show commit") [C.P.](# "Chris Palmer") Added `--hardwarnings` to `openscad.py`

 ### [v10.33.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.33.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.32.0...v10.33.0 "diff with v10.32.0")
-*   2021-01-15 [`93b260b`](https://github.com/nophead/NopSCADlib/commit/93b260b7b9a016e2afe1ab7df22f5c0c8c906708 "show commit") [C.P.](# "Chris Palmer") Added `screw_length()` to calculuate screw lengths includin washers, inserts and nuts.
+*   2021-01-15 [`93b260b`](https://github.com/nophead/NopSCADlib/commit/93b260b7b9a016e2afe1ab7df22f5c0c8c906708 "show commit") [C.P.](# "Chris Palmer") Added `screw_length()` to calculate screw lengths includin washers, inserts and nuts.

 ### [v10.32.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.32.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.31.1...v10.32.0 "diff with v10.31.1")
 *   2021-01-13 [`8fea8f4`](https://github.com/nophead/NopSCADlib/commit/8fea8f437b4c4efe1aecf24cf8ddb6c8f006cad2 "show commit") [C.P.](# "Chris Palmer") Updated images and readme for green terminals.
@@ -1064,7 +1716,7 @@ Updated pics and readme.
 *   2020-12-28 [`f6f4fcc`](https://github.com/nophead/NopSCADlib/commit/f6f4fcc7e84e40669446708e2352ea68c49b7961 "show commit") [M.B.](# "Martin Budden") Added `M5_cs_cap` screw

 #### [v10.21.1](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v10.21.0...v10.21.1 "diff with v10.21.0")
-*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new contersink screws and teardrops.
+*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new countersink screws and teardrops.

 ### [v10.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.20.1...v10.21.0 "diff with v10.20.1")
 *   2020-12-28 [`8d22940`](https://github.com/nophead/NopSCADlib/commit/8d22940506df525ac52ef6f8a00ea03661f3b682 "show commit") [C.P.](# "Chris Palmer") Project blurb can now be split with into sections with markdown horizontal rules
@@ -1286,7 +1938,7 @@ Updated images and readme.

 *   2020-11-13 [`0c9ae8d`](https://github.com/nophead/NopSCADlib/commit/0c9ae8d60c96d8c5b16adfce98081adc8e20b001 "show commit") [C.P.](# "Chris Palmer") PCBs now drawn before components so that transparent LEDs draw correctly.

-*   2020-11-12 [`9a0bad4`](https://github.com/nophead/NopSCADlib/commit/9a0bad4e61acbd0ae27ef5c2d324d88deb7ee672 "show commit") [C.P.](# "Chris Palmer") Made stepper motor encap paramatric.
+*   2020-11-12 [`9a0bad4`](https://github.com/nophead/NopSCADlib/commit/9a0bad4e61acbd0ae27ef5c2d324d88deb7ee672 "show commit") [C.P.](# "Chris Palmer") Made stepper motor encap parametric.
 Made connector position based on encap height and added PCB.

 *   2020-11-12 [`9004781`](https://github.com/nophead/NopSCADlib/commit/90047815b0189c628c96807785d0d93a4895d411 "show commit") [C.P.](# "Chris Palmer") Added JST PH connectors.
@@ -1342,7 +1994,7 @@ Reverted the jst header pin position change.

 *   2020-09-20 [`933fea6`](https://github.com/nophead/NopSCADlib/commit/933fea687c54d7d8ec48fe92aae12ffca0666789 "show commit") [C.P.](# "Chris Palmer") Removed debug code

-*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuarcy of catenary calculations.
+*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuracy of catenary calculations.

 ### [v9.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v9.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v9.6.1...v9.7.0 "diff with v9.6.1")
 *   2020-09-19 [`1255e71`](https://github.com/nophead/NopSCADlib/commit/1255e712719ce66fd3b231e5c212ea69b0bb9f1c "show commit") [C.P.](# "Chris Palmer") Added catenary curves.
@@ -1415,7 +2067,7 @@ Reduced J-Head inset.
 Removed J-Head MK4.

 ### [v9.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v9.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v9.1.1...v9.2.0 "diff with v9.1.1")
-*   2020-08-13 [`2419d50`](https://github.com/nophead/NopSCADlib/commit/2419d5064182d63634183a5762c995d0bdfacf0a "show commit") [C.P.](# "Chris Palmer") Added more PTFE tube sizes and amde them whiter.
+*   2020-08-13 [`2419d50`](https://github.com/nophead/NopSCADlib/commit/2419d5064182d63634183a5762c995d0bdfacf0a "show commit") [C.P.](# "Chris Palmer") Added more PTFE tube sizes and made them whiter.

 *   2020-08-13 [`02211c2`](https://github.com/nophead/NopSCADlib/commit/02211c20348ef4f134c0d3c734a5d922fe9a9a3c "show commit") [C.P.](# "Chris Palmer") Added `tubing_or()` and `center` option.

@@ -1950,7 +2602,7 @@ already included by other vitamins.

 *   2020-02-24 [`065ec0a`](https://github.com/nophead/NopSCADlib/commit/065ec0a430da6c62cbd6d06b3de822e8a6751425 "show commit") [C.P.](# "Chris Palmer") Corrected nut placement

-*   2020-02-24 [`e7eea05`](https://github.com/nophead/NopSCADlib/commit/e7eea0520c7e4bd20e505084d7c17a64a915ef75 "show commit") [C.P.](# "Chris Palmer") T nut thickness no longer includes the stem to simplyfy placement and screw
+*   2020-02-24 [`e7eea05`](https://github.com/nophead/NopSCADlib/commit/e7eea0520c7e4bd20e505084d7c17a64a915ef75 "show commit") [C.P.](# "Chris Palmer") T nut thickness no longer includes the stem to simplify placement and screw
 length calculations.

 *   2020-02-24 [`5cb994b`](https://github.com/nophead/NopSCADlib/commit/5cb994b58b204a9f59d17001e4061aa5f60328bc "show commit") [C.P.](# "Chris Palmer") Retabulated nut table
@@ -2170,7 +2822,7 @@ Both added to the insert test.

 *   2019-08-18 [`e35fb69`](https://github.com/nophead/NopSCADlib/commit/e35fb695a21a42216b7f5b58c12b6bc5d3a43eff "show commit") [C.P.](# "Chris Palmer") Ziptie width added to BOM description.

-*   2019-08-18 [`61bec65`](https://github.com/nophead/NopSCADlib/commit/61bec656d7d9328a6eb90ca003d5ae5888e5a18c "show commit") [C.P.](# "Chris Palmer") Fixed box header BOM descripion.
+*   2019-08-18 [`61bec65`](https://github.com/nophead/NopSCADlib/commit/61bec656d7d9328a6eb90ca003d5ae5888e5a18c "show commit") [C.P.](# "Chris Palmer") Fixed box header BOM description.

 *   2019-08-18 [`854adab`](https://github.com/nophead/NopSCADlib/commit/854adab6650e7617588e2da821cd91fa97657eaa "show commit") [C.P.](# "Chris Palmer") Fix for Python 2

--- a/docs/sliding_t_nut.png
+++ b/docs/sliding_t_nut.png
--- a/docs/sliding_t_nut_small.png
+++ b/docs/sliding_t_nut_small.png
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -2,7 +2,7 @@

 ## Requirements
 1. OpenSCAD 2021.01 or later, download it from here: https://www.openscad.org/downloads.html
-1. Python 2.7+ or 3.6+ from https://www.python.org/downloads/
+1. Python 3.6+ from https://www.python.org/downloads/
 1. ImageMagick 7 www.imagemagick.org

 These are all cross platform tools so NopSCADlib should work on any platform that supports them, although it has currently only been tested on Win7.
@@ -30,7 +30,7 @@ The `NopSCADlib/scripts` directory needs to be added to the executable search pa

 Note that on Linux and OSX the full file name including the `.py` will be needed.

-The installation can be tested by opening `NopSCADlib/libtest.scad` in the OpenSCAD GUI. It should render all the objects in the library in about 1 minute.
+The installation can be tested by opening `NopSCADlib/libtest.scad` in the OpenSCAD GUI. It should render all the objects in the library in about 2 minutes.

 Running `tests` from the command line will run all the tests in the `tests` directory and build the `readme.md` catalog for GitHub and render it to `readme.html`
 for local preview.
--- a/examples/EnviroPlus/assemblies/RPI_assembled.png
+++ b/examples/EnviroPlus/assemblies/RPI_assembled.png
--- a/examples/EnviroPlus/assemblies/RPI_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/RPI_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/RPI_assembly.png
+++ b/examples/EnviroPlus/assemblies/RPI_assembly.png
--- a/examples/EnviroPlus/assemblies/RPI_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/RPI_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/RPI_case_assembled.png
+++ b/examples/EnviroPlus/assemblies/RPI_case_assembled.png
--- a/examples/EnviroPlus/assemblies/RPI_case_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/RPI_case_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/RPI_case_assembly.png
+++ b/examples/EnviroPlus/assemblies/RPI_case_assembly.png
--- a/examples/EnviroPlus/assemblies/RPI_case_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/RPI_case_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/back_assembled.png
+++ b/examples/EnviroPlus/assemblies/back_assembled.png
--- a/examples/EnviroPlus/assemblies/back_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/back_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/back_assembly.png
+++ b/examples/EnviroPlus/assemblies/back_assembly.png
--- a/examples/EnviroPlus/assemblies/back_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/back_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/case_assembled.png
+++ b/examples/EnviroPlus/assemblies/case_assembled.png
--- a/examples/EnviroPlus/assemblies/case_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/case_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/case_assembly.png
+++ b/examples/EnviroPlus/assemblies/case_assembly.png
--- a/examples/EnviroPlus/assemblies/case_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/case_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/enviro_assembled.png
+++ b/examples/EnviroPlus/assemblies/enviro_assembled.png
--- a/examples/EnviroPlus/assemblies/enviro_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/enviro_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/enviro_assembly.png
+++ b/examples/EnviroPlus/assemblies/enviro_assembly.png
--- a/examples/EnviroPlus/assemblies/enviro_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/enviro_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/enviro_case_assembled.png
+++ b/examples/EnviroPlus/assemblies/enviro_case_assembled.png
--- a/examples/EnviroPlus/assemblies/enviro_case_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/enviro_case_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/enviro_case_assembly.png
+++ b/examples/EnviroPlus/assemblies/enviro_case_assembly.png
--- a/examples/EnviroPlus/assemblies/enviro_case_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/enviro_case_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/fan_controller_assembled.png
+++ b/examples/EnviroPlus/assemblies/fan_controller_assembled.png
--- a/examples/EnviroPlus/assemblies/fan_controller_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/fan_controller_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/fan_controller_assembly.png
+++ b/examples/EnviroPlus/assemblies/fan_controller_assembly.png
--- a/examples/EnviroPlus/assemblies/fan_controller_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/fan_controller_assembly_tn.png
--- a/examples/EnviroPlus/assemblies/main_assembled.png
+++ b/examples/EnviroPlus/assemblies/main_assembled.png
--- a/examples/EnviroPlus/assemblies/main_assembled_tn.png
+++ b/examples/EnviroPlus/assemblies/main_assembled_tn.png
--- a/examples/EnviroPlus/assemblies/main_assembly.png
+++ b/examples/EnviroPlus/assemblies/main_assembly.png
--- a/examples/EnviroPlus/assemblies/main_assembly_tn.png
+++ b/examples/EnviroPlus/assemblies/main_assembly_tn.png
--- a/examples/EnviroPlus/bom/bom.csv
+++ b/examples/EnviroPlus/bom/bom.csv
@@ -1,6 +1,6 @@
 'Micro SD card',  1
 'Fan 17mm x 8mm',  1
-'Heatfit insert M2',  4
+'Heatfit insert M2 x 4mm',  4
 'Nut M2.5 x 2.2mm nyloc',  4
 'Enviro+',  1
 'Raspberry Pi Zero',  1
@@ -13,7 +13,7 @@
 'SMD capacitor 1206 10uF',  1
 'SMD resistor 0805 3K3 0.125W',  1
 'SOT223 package FZT851',  1
-'Veroboard 6 holes x 6strips',  1
+'Veroboard 6 holes x 6 strips',  1
 'Washer  M2 x 5mm x 0.3mm',  4
 'Washer  M2.5 x 5.9mm x 0.5mm',  4
 'Washer  M3 x 7mm x 0.5mm',  3
--- a/examples/EnviroPlus/bom/bom.json
+++ b/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": {}
@@ -49,13 +51,13 @@
    },
    {
        "name": "fan_controller_assembly",
-        "big": null,
+        "big": true,
        "ngb": false,
        "zoomed": 0,
        "count": 1,
        "assemblies": {},
        "vitamins": {
-            "veroboard(fan_vb): Veroboard 6 holes x 6strips": {
+            "veroboard(fan_vb): Veroboard 6 holes x 6 strips": {
                "count": 1
            },
            "wire_link(0.8, 10.16, tail = 2.5): Wire link 0.8mm x 0.4\"": {
@@ -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
            }
        },
@@ -102,7 +104,7 @@
        "count": 1,
        "assemblies": {},
        "vitamins": {
-            "insert(F1BM2): Heatfit insert M2": {
+            "insert(F1BM2): Heatfit insert M2 x 4mm": {
                "count": 4
            },
            "washer(M3_washer): Washer  M3 x 7mm x 0.5mm": {
@@ -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": {}
--- a/examples/EnviroPlus/bom/bom.txt
+++ b/examples/EnviroPlus/bom/bom.txt
@@ -15,7 +15,7 @@ Vitamins:
 i  e  k  e  o  e  r  n
 1|  |  |  |  |  |  |  |  1 Micro SD card
  |  | 1|  |  |  |  |  |  1 Fan 17mm x 8mm
-  |  |  | 4|  |  |  |  |  4 Heatfit insert M2
+  |  |  | 4|  |  |  |  |  4 Heatfit insert M2 x 4mm
  |  |  |  |  | 4|  |  |  4 Nut M2.5 x 2.2mm nyloc
  |  |  |  | 1|  |  |  |  1 Enviro+
 1|  |  |  |  |  |  |  |  1 Raspberry Pi Zero
@@ -28,7 +28,7 @@ Vitamins:
  |  |  |  |  |  | 1|  |  1 SMD capacitor 1206 10uF
  |  |  |  |  |  | 1|  |  1 SMD resistor 0805 3K3 0.125W
  |  |  |  |  |  | 1|  |  1 SOT223 package FZT851
-  |  |  |  |  |  | 1|  |  1 Veroboard 6 holes x 6strips
+  |  |  |  |  |  | 1|  |  1 Veroboard 6 holes x 6 strips
  |  |  |  |  |  |  | 4|  4 Washer  M2 x 5mm x 0.3mm
  |  |  |  |  | 4|  |  |  4 Washer  M2.5 x 5.9mm x 0.5mm
  |  |  | 3|  |  |  |  |  3 Washer  M3 x 7mm x 0.5mm
--- a/examples/EnviroPlus/bom/case_assembly.txt
+++ b/examples/EnviroPlus/bom/case_assembly.txt
@@ -1,6 +1,6 @@
 case_assembly:
 Vitamins:
-  4 Heatfit insert M2
+  4 Heatfit insert M2 x 4mm
  3 Screw M3 pan x  6mm
  3 Washer  M3 x 7mm x 0.5mm

--- a/examples/EnviroPlus/bom/fan_controller_assembly.txt
+++ b/examples/EnviroPlus/bom/fan_controller_assembly.txt
@@ -3,6 +3,6 @@ Vitamins:
  1 SMD capacitor 1206 10uF
  1 SMD resistor 0805 3K3 0.125W
  1 SOT223 package FZT851
-  1 Veroboard 6 holes x 6strips
+  1 Veroboard 6 holes x 6 strips
  3 Wire link 0.8mm x 6.5mm
  1 Wire link 0.8mm x 0.4"
--- a/examples/EnviroPlus/readme.md
+++ b/examples/EnviroPlus/readme.md
@@ -29,7 +29,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 |  |  |  |  |  |  |  |  | | **Vitamins** |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Enviro+ |
 | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Fan 17mm x 8mm |
-| &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Heatfit insert M2 |
+| &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Heatfit insert M2 x 4mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Micro SD card |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Nut M2.5 x 2.2mm nyloc |
 | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; PMS5003 particle detector |
@@ -42,7 +42,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp; Screw M2.5 pan x  6.4mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Screw M2.5 pan x  8mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp; Screw M3 pan x  6mm |
-| &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Veroboard 6 holes x 6strips |
+| &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Veroboard 6 holes x 6 strips |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Washer  M2 x 5mm x 0.3mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;4&nbsp; | &nbsp;&nbsp; Washer  M2.5 x 5.9mm x 0.5mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp; Washer  M3 x 7mm x 0.5mm |
@@ -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) 

@@ -121,13 +121,13 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 |1| SMD capacitor 1206 10uF|
 |1| SMD resistor 0805 3K3 0.125W|
 |1| SOT223 package FZT851|
-|1| Veroboard 6 holes x 6strips|
+|1| Veroboard 6 holes x 6 strips|
 |1| Wire link 0.8mm x 0.4"|
 |3| Wire link 0.8mm x 6.5mm|


 ### Assembly instructions
-![fan_controller_assembly](assemblies/fan_controller_assembly_tn.png)
+![fan_controller_assembly](assemblies/fan_controller_assembly.png)

 The fan controller is a single transistor wired as a Miller integrator that effectively multiplies the capacitor value by the gain of the transistor.
 It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't whine, or stutter.
@@ -145,7 +145,7 @@ It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't
 ![SMT](docs/smt.jpg)


-![fan_controller_assembled](assemblies/fan_controller_assembled_tn.png)
+![fan_controller_assembled](assemblies/fan_controller_assembled.png)

 <span></span>
 [Top](#TOP)
@@ -168,11 +168,11 @@ It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't


 ### Assembly instructions
-![enviro_assembly](assemblies/enviro_assembly_tn.png)
+![enviro_assembly](assemblies/enviro_assembly.png)

 * Solder the fan_controller to the Enviro+ expansion connector at the 5V, GND and #4 pins.

-![enviro_assembled](assemblies/enviro_assembled_tn.png)
+![enviro_assembled](assemblies/enviro_assembled.png)

 <span></span>
 [Top](#TOP)
@@ -183,14 +183,14 @@ It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't
 ### Vitamins
 |Qty|Description|
 |---:|:----------|
-|4| Heatfit insert M2|
+|4| Heatfit insert M2 x 4mm|
 |3| Screw M3 pan x  6mm|
 |3| Washer  M3 x 7mm x 0.5mm|


 ### 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) 

--- a/examples/EnviroPlus/scad/fan_controller.scad
+++ b/examples/EnviroPlus/scad/fan_controller.scad
@@ -7,7 +7,6 @@
 //
 // Top level model
 //
-
 include <NopSCADlib/core.scad>
 use <NopSCADlib/vitamins/veroboard.scad>
 include <NopSCADlib/vitamins/smds.scad>
@@ -19,10 +18,9 @@ fan_vb = vero("fan_vb", "fan_controller", 6, 6, breaks = [[2, 1], [2 + eps, 5]],
        [0, 1,     0, "link", 0, 4, undef, 2.5],
        [0, 0,     0, "link", 0, 4, undef, 2.5],
        [2, 5,     0, "-smd_res", RES0805, "3K3"],
-        [4, 4.7,  90, "-smd_cap", CAP1206, 1.2, "10uF"],
+        [4, 4.5,  90, "-smd_cap", CAP1206, 1.2, "10uF"],
        [2, 2.5, 180, "-smd_sot", SOT223, "FZT851"],
-    ],
-    joints = [[5, 1], [5, 5], [0, [0, 1, 5]]]
+    ]
 );

 //! The fan controller is a single transistor wired as a Miller integrator that effectively multiplies the capacitor value by the gain of the transistor.
@@ -40,6 +38,6 @@ fan_vb = vero("fan_vb", "fan_controller", 6, 6, breaks = [[2, 1], [2 + eps, 5]],
 //!
 //! ![SMT](docs/smt.jpg)
 //!
-module fan_controller_assembly() rotate(90) vflip(!exploded()) veroboard_assembly(fan_vb, -vero_thickness(fan_vb) - 1.4, 0);
+module fan_controller_assembly() rotate(90) vflip() veroboard_fastened_assembly(fan_vb, -vero_thickness(fan_vb) - 1.4, 0);

 fan_controller_assembly();
--- a/examples/EnviroPlus/scad/main.scad
+++ b/examples/EnviroPlus/scad/main.scad
@@ -25,6 +25,7 @@ include <NopSCADlib/vitamins/fans.scad>
 use <NopSCADlib/vitamins/insert.scad>
 use <NopSCADlib/vitamins/veroboard.scad>
 use <NopSCADlib/utils/round.scad>
+use <NopSCADlib/utils/pcb_utils.scad>
 use <NopSCADlib/printed/foot.scad>
 use <NopSCADlib/printed/printed_box.scad>
 use <fan_controller.scad>
@@ -402,7 +403,7 @@ assembly("enviro") {
    if(!exploded())
        for(x = [8, 7, 3])
            pcb_grid(pcb, x, 0, 0.05)
-                solder_meniscus(pcb, 0.39, 1);
+                solder_meniscus(0.39, 1);
 }

 //! * Screw the Enviro+ PCB to the front of the case using M2.5 x 8mm pan screws with washer and nuts on the inside.
--- a/examples/EnviroPlus/stls/bulkhead.png
+++ b/examples/EnviroPlus/stls/bulkhead.png
--- a/examples/EnviroPlus/stls/enviro_plus_case.png
+++ b/examples/EnviroPlus/stls/enviro_plus_case.png
--- a/examples/EnviroPlus/stls/fan_duct.png
+++ b/examples/EnviroPlus/stls/fan_duct.png
--- a/examples/Gridfinity/assemblies/main_assembled.png
+++ b/examples/Gridfinity/assemblies/main_assembled.png
--- a/examples/Gridfinity/assemblies/main_assembled_tn.png
+++ b/examples/Gridfinity/assemblies/main_assembled_tn.png
--- a/examples/Gridfinity/assemblies/main_assembly.png
+++ b/examples/Gridfinity/assemblies/main_assembly.png
--- a/examples/Gridfinity/assemblies/main_assembly_tn.png
+++ b/examples/Gridfinity/assemblies/main_assembly_tn.png
--- a/examples/Gridfinity/bom/bom.csv
+++ b/examples/Gridfinity/bom/bom.csv
--- a/examples/Gridfinity/bom/bom.json
+++ b/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": {}
+    }
+]
--- a/examples/Gridfinity/bom/bom.txt
+++ b/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
--- a/examples/Gridfinity/bom/main_assembly.txt
+++ b/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
--- a/examples/Gridfinity/readme.md
+++ b/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)
--- a/examples/Gridfinity/scad/123_block_stand.scad
+++ b/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);
+            }
+    }
--- a/examples/Gridfinity/scad/1x1_bin.scad
+++ b/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);
--- a/examples/Gridfinity/scad/MT2_stand.scad
+++ b/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);
+            }
+    }
--- a/examples/Gridfinity/scad/chuck_jaw_bin.scad
+++ b/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);
+            }
+        }
--- a/examples/Gridfinity/scad/chuck_stand.scad
+++ b/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);
+    }
--- a/examples/Gridfinity/scad/faceplate_stand.scad
+++ b/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);
+            }
+        }
+    }
--- a/examples/Gridfinity/scad/lathe_tool_stand.scad
+++ b/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);
+            }
+    }
--- a/examples/Gridfinity/scad/main.scad
+++ b/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();
--- a/examples/Gridfinity/stls/123_block_stand.png
+++ b/examples/Gridfinity/stls/123_block_stand.png
--- a/examples/Gridfinity/stls/123_block_stand.stl
+++ b/examples/Gridfinity/stls/123_block_stand.stl
--- a/examples/Gridfinity/stls/1x1_bin.png
+++ b/examples/Gridfinity/stls/1x1_bin.png
--- a/examples/Gridfinity/stls/1x1_bin.stl
+++ b/examples/Gridfinity/stls/1x1_bin.stl
--- a/examples/Gridfinity/stls/MT2_stand.png
+++ b/examples/Gridfinity/stls/MT2_stand.png
--- a/examples/Gridfinity/stls/MT2_stand.stl
+++ b/examples/Gridfinity/stls/MT2_stand.stl
--- a/examples/Gridfinity/stls/chuck_jaw_bin.png
+++ b/examples/Gridfinity/stls/chuck_jaw_bin.png
--- a/examples/Gridfinity/stls/chuck_jaw_bin.stl
+++ b/examples/Gridfinity/stls/chuck_jaw_bin.stl
--- a/examples/Gridfinity/stls/chuck_stand.png
+++ b/examples/Gridfinity/stls/chuck_stand.png
--- a/examples/Gridfinity/stls/chuck_stand.stl
+++ b/examples/Gridfinity/stls/chuck_stand.stl
--- a/examples/Gridfinity/stls/faceplate_stand.png
+++ b/examples/Gridfinity/stls/faceplate_stand.png
--- a/examples/Gridfinity/stls/faceplate_stand.stl
+++ b/examples/Gridfinity/stls/faceplate_stand.stl
--- a/examples/Gridfinity/stls/lathe_tool_stand.png
+++ b/examples/Gridfinity/stls/lathe_tool_stand.png
--- a/examples/Gridfinity/stls/lathe_tool_stand.stl
+++ b/examples/Gridfinity/stls/lathe_tool_stand.stl
--- a/examples/MainsBreakOutBox/assemblies/base_assembled.png
+++ b/examples/MainsBreakOutBox/assemblies/base_assembled.png
--- a/examples/MainsBreakOutBox/assemblies/base_assembly.png
+++ b/examples/MainsBreakOutBox/assemblies/base_assembly.png
--- a/examples/MainsBreakOutBox/assemblies/feet_assembled.png
+++ b/examples/MainsBreakOutBox/assemblies/feet_assembled.png
--- a/examples/MainsBreakOutBox/assemblies/feet_assembled_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/feet_assembled_tn.png
--- a/examples/MainsBreakOutBox/assemblies/feet_assembly.png
+++ b/examples/MainsBreakOutBox/assemblies/feet_assembly.png
--- a/examples/MainsBreakOutBox/assemblies/feet_assembly_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/feet_assembly_tn.png
--- a/examples/MainsBreakOutBox/assemblies/main_assembled.png
+++ b/examples/MainsBreakOutBox/assemblies/main_assembled.png
--- a/examples/MainsBreakOutBox/assemblies/main_assembled_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/main_assembled_tn.png
--- a/examples/MainsBreakOutBox/assemblies/main_assembly.png
+++ b/examples/MainsBreakOutBox/assemblies/main_assembly.png
--- a/examples/MainsBreakOutBox/assemblies/main_assembly_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/main_assembly_tn.png
--- a/examples/MainsBreakOutBox/assemblies/mains_in_assembled.png
+++ b/examples/MainsBreakOutBox/assemblies/mains_in_assembled.png
--- a/examples/MainsBreakOutBox/assemblies/mains_in_assembled_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/mains_in_assembled_tn.png
--- a/examples/MainsBreakOutBox/assemblies/mains_in_assembly.png
+++ b/examples/MainsBreakOutBox/assemblies/mains_in_assembly.png
--- a/examples/MainsBreakOutBox/assemblies/mains_in_assembly_tn.png
+++ b/examples/MainsBreakOutBox/assemblies/mains_in_assembly_tn.png
--- a/examples/MainsBreakOutBox/bom/base_assembly.txt
+++ b/examples/MainsBreakOutBox/bom/base_assembly.txt
@@ -1,6 +1,6 @@
 base_assembly:
 Vitamins:
-  2 Heatfit insert M3
+  2 Heatfit insert M3 x 5.8mm

 Printed:
  1 socket_box.stl
--- a/examples/MainsBreakOutBox/bom/bom.csv
+++ b/examples/MainsBreakOutBox/bom/bom.csv
@@ -3,7 +3,7 @@
 'Wire brown 30/0.25mm strands, length 150mm - not shown',  2
 'Wire green & yellow 30/0.25mm strands, length 150mm - not shown',  2
 'IEC inlet for ATX',  1
-'Heatfit insert M3',  2
+'Heatfit insert M3 x 5.8mm',  2
 '4mm shielded jack socket blue',  2
 '4mm shielded jack socket brown',  1
 '4mm shielded jack socket green',  2
--- a/examples/MainsBreakOutBox/bom/bom.json
+++ b/examples/MainsBreakOutBox/bom/bom.json
@@ -7,14 +7,15 @@
        "count": 1,
        "assemblies": {},
        "vitamins": {
-            "insert(F1BM3): Heatfit insert M3": {
+            "insert(F1BM3): Heatfit insert M3 x 5.8mm": {
                "count": 2
            }
        },
        "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": {}
--- a/examples/MainsBreakOutBox/bom/bom.txt
+++ b/examples/MainsBreakOutBox/bom/bom.txt
@@ -12,7 +12,7 @@ Vitamins:
  |  |  | 2|  2 Wire brown 30/0.25mm strands, length 150mm - not shown
  |  | 1| 1|  2 Wire green & yellow 30/0.25mm strands, length 150mm - not shown
  |  |  | 1|  1 IEC inlet for ATX
- 2|  |  |  |  2 Heatfit insert M3
+ 2|  |  |  |  2 Heatfit insert M3 x 5.8mm
  |  | 2|  |  2 4mm shielded jack socket blue
  |  | 1|  |  1 4mm shielded jack socket brown
  |  | 2|  |  2 4mm shielded jack socket green
--- a/examples/MainsBreakOutBox/readme.md
+++ b/examples/MainsBreakOutBox/readme.md
@@ -38,7 +38,7 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; 4mm shielded jack socket brown |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;2&nbsp; |  &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp; 4mm shielded jack socket green |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;3&nbsp; |  &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp; Ferrule for 1.5mm^2 wire - not shown |
-| &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp; Heatfit insert M3 |
+| &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;2&nbsp; | &nbsp;&nbsp; Heatfit insert M3 x 5.8mm |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;3&nbsp; | &nbsp;&nbsp;5&nbsp; |  &nbsp;&nbsp;8&nbsp; | &nbsp;&nbsp; Heatshrink sleeving ID 3.2mm x 15mm - not shown |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp;.&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; IEC inlet for ATX |
 | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;.&nbsp; | &nbsp;&nbsp;1&nbsp; |  &nbsp;&nbsp;1&nbsp; | &nbsp;&nbsp; Mains socket 13A |
@@ -65,12 +65,12 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 ### Vitamins
 |Qty|Description|
 |---:|:----------|
-|2| Heatfit insert M3|
+|2| Heatfit insert M3 x 5.8mm|


 ### 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) 

--- a/examples/MainsBreakOutBox/stls/foot.png
+++ b/examples/MainsBreakOutBox/stls/foot.png
--- a/examples/MainsBreakOutBox/stls/foot.stl
+++ b/examples/MainsBreakOutBox/stls/foot.stl
--- a/Show More
+++ b/Show More