Added offset_paths() to sweep.scad.

show_path() now takes an optional radius.

CHANGELOG.md

@@ -3,6 +3,164 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [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.
 
@@ -571,7 +729,7 @@ 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.
 
@@ -592,7 +750,7 @@ 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.
 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`.
 
@@ -933,7 +1091,7 @@ 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.
 
@@ -1116,7 +1274,7 @@ 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.
@@ -1474,7 +1632,7 @@ 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.
@@ -1603,7 +1761,7 @@ 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.
 
@@ -2138,7 +2296,7 @@ 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
@@ -2358,7 +2516,7 @@ 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
 

docs/usage.md

@@ -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.

examples/EnviroPlus/bom/bom.json

@@ -49,7 +49,7 @@
     },
     {
         "name": "fan_controller_assembly",
-        "big": null,
+        "big": true,
         "ngb": false,
         "zoomed": 0,
         "count": 1,

examples/EnviroPlus/readme.md

@@ -127,7 +127,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 
 
 ### 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)

examples/EnviroPlus/scad/main.scad

@@ -25,7 +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.scad>
+use <NopSCADlib/utils/pcb_utils.scad>
 use <NopSCADlib/printed/foot.scad>
 use <NopSCADlib/printed/printed_box.scad>
 use <fan_controller.scad>

gallery/readme.md

@@ -4,6 +4,18 @@ Arduino thermostat to control a beer fridge to use it as an environmental chambe
 
 ![](ArduinoThermostat.png)
 
+## Blinder
+
+Tasmota roller blind open / close mechanism
+
+
+![](Blinder.png)
+
+## ClockSetter
+An IOT device for programming UK wireless clocks that are out of reach of the UK MSF time signal but are on UK time, e.g. in Tenerife.
+
+![](ClockSetter.png)
+
 ## EnviroPlus
 Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 
@@ -19,7 +31,6 @@ Current state of HydraRaptor after being modified for laser engraving.
 
 ![](HydraBot.png)
 
-
 ## IOT 50V PSU
 WiFi controllable PSU
 
@@ -30,6 +41,11 @@ WiFi controllable programmable load
 
 ![](IOT_LOAD.png)
 
+## LED Box
+Indicator LEDs used to debug a Bosch diswasher problem.
+
+![](LED_box.png)
+
 ## Lab ATX PSU
 Bench power supply built around an ATX PSU.
 
@@ -70,16 +86,36 @@ Mains isolated and variable supply with metering.
 
 
 
+## MultiSwitch
+Multi Tasmota switch to replace 5 Sonoffs
+
+![](MultiSwitch.png)
+
+## MultiSwitch2
+Multi Tasmota switch to replace 5 Sonoffs
+
+![](MultiSwitch2.png)
+
 ## PSU Cover
 A base and shroud to make PSU safe to sit on a desk
 
 ![](PSU_cover.png)
 
+## PSU Tube
+12V power supply made in an aluminium tube for fire safety
+
+![](PSU_tube.png)
+
 ## PotBox
 Potentiometer box with course and fine controls and three 4mm binding posts
 
 ![](PotBox.png)
 
+## PowerBank
+LION powerbank with e-paper charge status display
+
+![](PowerBank.png)
+
 ## SunBot
 A solar tracker to keep a solar panel pointing at the sun.
 

global_defs.scad

@@ -41,16 +41,23 @@ pp1_colour      = is_undef($pp1_colour)      ? rr_green     : $pp1_colour;// pri
 pp2_colour      = is_undef($pp2_colour)      ? crimson      : $pp2_colour;// printed part colour 2
 pp3_colour      = is_undef($pp3_colour)      ? "SteelBlue"  : $pp3_colour;// printed part colour 3
 pp4_colour      = is_undef($pp4_colour)      ? "darkorange" : $pp4_colour;// printed part colour 4
-
+manifold        = is_undef($manifold)        ? false  : $manifold;        // Manifold library being used instead of cgal
 
 // Minimum wall is about two filaments wide but we extrude it closer to get better bonding
 squeezed_wall = $preview ? 2 * extrusion_width - layer_height * (1 - PI / 4)
                          : extrusion_width - layer_height / 2 + nozzle / 2 + extrusion_width / 2;
 
-inf = 1e10;      // very big
+inf = 1e10;       // very big
+big = manifold ? 1e3 : inf;     // Not too big for manifold
 eps = 1/128;     // small fudge factor to stop CSG barfing on coincident faces.
-$fa = 6;
-$fs = extrusion_width / 2;
+
+fa = is_undef($vitamin_fa) ? 6    : $vitamin_fa;          // Used for drawing vitamins, rather than printing.
+fs = is_undef($vitamin_fs) ? 0.25 : $vitamin_fs;
+fn = 32;
+
+$fa = $fa == 12 ? 6 : $fa;          // Defaults for printing
+$fs = $fs == 2 ? extrusion_width / 2 : $fs;
+
 
 // Some additional named colours
 silver           = [0.75, 0.75, 0.75];

lib.scad

@@ -25,19 +25,20 @@ include <core.scad>
 include <vitamins/psus.scad>
 include <vitamins/pcbs.scad>
 
+include <vitamins/antennas.scad>
 include <vitamins/batteries.scad>
 include <vitamins/bearing_blocks.scad>
 include <vitamins/blowers.scad>
 include <vitamins/bldc_motors.scad>
 include <vitamins/box_sections.scad>
 include <vitamins/bulldogs.scad>
-include <vitamins/buttons.scad>
 include <vitamins/cameras.scad>
 include <vitamins/components.scad>
 include <vitamins/displays.scad>
 include <vitamins/extrusions.scad>
 include <vitamins/extrusion_brackets.scad>
 include <vitamins/fastons.scad>
+include <vitamins/gear_motors.scad>
 include <vitamins/geared_steppers.scad>
 include <vitamins/hot_ends.scad>
 include <vitamins/inserts.scad>

libtest.scad

@@ -42,6 +42,7 @@
 include <lib.scad>
 
 use <tests/7_segments.scad>
+use <tests/antennas.scad>
 use <tests/ball_bearings.scad>
 use <tests/batteries.scad>
 use <tests/bearing_blocks.scad>
@@ -65,6 +66,7 @@ use <tests/extrusion_brackets.scad>
 use <tests/fans.scad>
 use <tests/fastons.scad>
 use <tests/fuseholder.scad>
+use <tests/gear_motors.scad>
 use <tests/geared_steppers.scad>
 use <tests/hot_ends.scad>
 use <tests/IECs.scad>
@@ -110,6 +112,7 @@ use <tests/stepper_motors.scad>
 use <tests/Swiss_clips.scad>
 use <tests/toggles.scad>
 use <tests/transformers.scad>
+use <tests/ttracks.scad>
 use <tests/tubings.scad>
 use <tests/veroboard.scad>
 use <tests/washers.scad>
@@ -218,15 +221,12 @@ translate([950, box_y])
     box_test();
 
 
-translate([950, 1525])
-    rotate(-90)
-        bbox_test();
-
 inserts_y = 0;
 nuts_y = inserts_y + 20;
-washers_y = nuts_y + 120;
+washers_y = nuts_y + 140;
 screws_y = washers_y + 120;
-circlips_y = screws_y + 180;
+threaded_inserts_y = screws_y + 180;
+circlips_y = threaded_inserts_y + 30;
 springs_y = circlips_y + 20;
 o_rings_y = springs_y;
 sealing_strip_y = springs_y + 20;
@@ -244,6 +244,10 @@ fans_y = displays_y + 110;
 transformers_y = fans_y + 120;
 psus_y = transformers_y + 190;
 
+ttracks_y = pcbs_y + 150;
+translate([840, ttracks_y])
+    ttracks();
+
 translate([x0 + 35, inserts_y])
     inserts();
 
@@ -256,6 +260,9 @@ translate([x0, nuts_y])
 translate([x0, washers_y])
     washers();
 
+translate([x0, threaded_inserts_y])
+    threaded_inserts();
+
 translate([x0, screws_y])
     screws();
 
@@ -299,6 +306,9 @@ translate([x0, linear_bearings_y]) {
 translate([x0, steppers_y])
     stepper_motors();
 
+translate([x0 + 400, steppers_y])
+    gear_motors();
+
 translate([x0, sheets_y])
     sheets();
 
@@ -456,12 +466,15 @@ translate([x2, panel_meters_y])
 translate([x2, extrusions_y])
     extrusions();
 
-translate([400, transformers_y])
+translate([370, transformers_y])
     transformers();
 
-translate([x4 + 50, transformers_y])
+translate([x4, transformers_y])
     no_explode() socket_boxes();
 
+translate([950, transformers_y + 110])
+    rotate(-90)
+        bbox_test();
 
 belts_y = 0;
 rails_y = belts_y + 200;
@@ -477,7 +490,7 @@ cable_strip_y = sheets_y + 30;
 translate([0, transformers_y])
     servo_motors();
 
-translate([x4 + 200, belts_y + 58]) {
+translate([x4 + 200 + 16, belts_y + 58]) {
     belt_test();
 
     translate([0, 60])
@@ -497,6 +510,9 @@ translate([x4, rails_y + 130]) {
 translate([x4, cable_strip_y])
     cable_strips();
 
+translate([x4 + 150, cable_strip_y])
+    antennas();
+
 translate([x4, kp_pillow_blocks_y])
     kp_pillow_blocks();
 

printed/box.scad

@@ -452,9 +452,10 @@ module box_screw_hole_positions(type) {
             children();
 }
 
-module box_base_blank(type) { //! Generates a 2D template for the base sheet
+module box_base_blank(type, sheet = false) { //! Generates a 2D template for the base sheet, `sheet` can be set to override the type
+    s = sheet ? sheet : box_base_sheet(type);
     difference() {
-        sheet_2D(box_base_sheet(type), box_width(type), box_depth(type), box_sheet_r(type));
+        sheet_2D(s, box_width(type), box_depth(type), box_sheet_r(type));
 
         box_screw_hole_positions(type)
             drill(screw_clearance_radius(box_screw(type)), 0);
@@ -493,7 +494,8 @@ module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = un
         for(p = screw_positions)
             multmatrix(p)
                 translate_z(thickness)
-                    children();
+                    let($horizontal = true)
+                        children();
 
     r = box_boss_r(type);
     inset = box_intrusion(type) - r + (r + insert_boss_radius(insert, w) + bezel_clearance / 2) / sqrt(2);
@@ -502,10 +504,11 @@ module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = un
             for(x = [-1, 1], y = [-1, 1])
                 translate([x * (box_width(type) / 2 - inset), y * (box_depth(type) / 2 - inset)])
                     rotate(45 * x * (2 + y))
-                        children();
+                        let($horizontal = false)
+                            children();
 }
 
-module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts
+module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts, third child is 3D additions.
     w = is_undef(wall) ? box_wall(type) : wall;
     insert = box_shelf_insert(type);
     lip = 2 * insert_boss_radius(insert, w);
@@ -560,9 +563,13 @@ module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a
                                     children(0);
                     }
 
-                hflip()
+                hflip() {
                     box_shelf_screw_positions(type, screw_positions, 0, w)
                         boss();
+
+                    if($children > 2)
+                        children(2);
+                }
             }
             if($children > 1)
                 hflip()
@@ -570,7 +577,7 @@ module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a
 
             hflip()
                 box_shelf_screw_positions(type, screw_positions, 0, w)
-                    insert_hole(insert, counterbore = 1, horizontal = true);
+                    insert_hole(insert, counterbore = 1, horizontal = $horizontal);
         }
 }
 

printed/cable_clip.scad

@@ -18,100 +18,129 @@
 //
 
 //
-//! Cable clips to order. Can be for one or two cables of different sizes.
+//! Cable clips to order. Can be for one or two cables of different sizes. Can use an insert and a screw from below or a screw and nut either way up.
 //
 include <../core.scad>
 use <../vitamins/wire.scad>
 use <../utils/fillet.scad>
+use <../vitamins/insert.scad>
 
 wall = 2;
 
-function cable_clip_width(screw) = max(wall + 2 * screw_clearance_radius(screw) + wall, washer_diameter(screw_washer(screw))); //! Width given the `screw`.
-function cable_clip_height(cable) = cable_height(cable) + wall; //! Height given the `cable`.
-function cable_clip_extent(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) + wall; //! How far it extends from the screw.
-function cable_clip_offset(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) / 2; //! The offset of the cable from the screw
+function cable_clip_insert(screw, insert = true) = //! Insert type for clip, given screw.
+    is_list(insert) ? insert : insert ? screw_insert(screw, true) : false;
 
-module single_cable_clip(screw, cable, h = 0) {
-    screw_dia = 2 * screw_clearance_radius(screw);
-    height = cable_clip_width(screw);
-    depth = h ? h : cable_height(cable) + wall;
+function cable_clip_width(screw, insert = false) = //! Width given the `screw` and possibly insert.
+    let(insert = cable_clip_insert(screw, insert))
+        insert ? 2 * (insert_hole_radius(insert) + wall) :
+            max(wall + 2 * screw_clearance_radius(screw) + wall, washer_diameter(screw_washer(screw)));
+
+function cable_clip_height(cable, screw = false, insert = false) = //! Height given the `cable`.
+    let(insert = cable_clip_insert(screw, insert))
+        max(cable_height(cable) + wall, insert ? insert_hole_length(insert) + 1 : 0);
+
+function cable_clip_extent(screw, cable, insert = false) = cable_clip_width(screw, insert) / 2 + cable_width(cable) + wall; //! How far it extends from the screw.
+function cable_clip_offset(screw, cable, insert = false) = cable_clip_width(screw, insert) / 2 + cable_width(cable) / 2; //! The offset of the cable from the screw.
+
+module single_cable_clip(screw, cable, h = 0, insert = false) {
+    insert = cable_clip_insert(screw, insert);
+    height = cable_clip_width(screw, insert);
+    depth = h ? h : cable_clip_height(cable, screw, insert);
     w = cable_width(cable);
-    width = wall + w + wall + screw_dia + wall;
-    hole_x = wall + w + wall + screw_dia / 2;
+    width = wall + w + height;
+    hole_x = wall + w + height / 2;
     rad = min(wall + cable_wire_size(cable) / 2, depth / 2);
     r = extrusion_width - eps;
-    translate([-hole_x, 0]) difference() {
-        linear_extrude(height)
-            difference() {
-                hull() {
-                    rounded_square([width, 1], r, center = false);
-
-                    translate([width - 1, 0])
-                        rounded_square([1, depth], r, center = false);
-
-                    translate([rad, depth - rad])
-                        circle(r = rad);
-                }
-
-                translate([wall + cable_width(cable) / 2, 0]) {
+    translate([-hole_x, 0])
+        difference() {
+            linear_extrude(height)
+                difference() {
                     hull() {
-                        for(p = cable_bundle_positions(cable))
-                            translate(p)
-                                circle(d = cable_wire_size(cable));
+                        rounded_square([width, 1], r, center = false);
 
-                        square([w, eps], center = true);
+                        translate([width - 1, 0])
+                            rounded_square([1, depth], r, center = false);
+
+                        translate([rad, depth - rad])
+                            circle(r = rad);
+                    }
+
+                    translate([wall + cable_width(cable) / 2, 0]) {
+                        hull() {
+                            for(p = cable_bundle_positions(cable))
+                                translate(p)
+                                    circle(d = cable_wire_size(cable));
+
+                            square([w, eps], center = true);
+                        }
+                        for(side = [-1, 1])
+                            translate([side * w / 2, 0])
+                                hflip(side < 0)
+                                    fillet(r = r, h = 0);
                     }
-                    for(side = [-1, 1])
-                        translate([side * w / 2, 0])
-                            hflip(side < 0)
-                                fillet(r = r, h = 0);
                 }
-            }
 
-        translate([hole_x, depth / 2, height / 2])
-            rotate([90,0,0])
-                teardrop_plus(h = depth + 1, r = screw_dia / 2, center = true);
-    }
+            translate([hole_x, depth, height / 2])
+                rotate([90, 0, 0])
+                    if(insert)
+                        insert_hole(insert, 10, horizontal = true);
+                    else
+                        teardrop_plus(h = 2 * depth + 1, r = screw_clearance_radius(screw), center = true);
+        }
 }
 
 
-module double_cable_clip(screw, cable1, cable2) {
-    h = max(cable_clip_height(cable1), cable_clip_height(cable2));
+module double_cable_clip(screw, cable1, cable2, insert = false) {
+    h = max(cable_clip_height(cable1, screw, insert), cable_clip_height(cable2, screw, insert));
     union() {
-        single_cable_clip(screw, cable1, h);
+        single_cable_clip(screw, cable1, h, insert);
 
-        mirror([1,0,0]) single_cable_clip(screw, cable2, h);
+        mirror([1,0,0]) single_cable_clip(screw, cable2, h, insert);
     }
 }
 
-module cable_clip(screw, cable1, cable2 = 0) { //! Create the STL for a single cable or two cable clip
-    function clip_str(screw) = str("cable_clip_", screw_radius(screw) * 20);
+module cable_clip(screw, cable1, cable2 = 0, insert = false) { //! Create the STL for a single cable or two cable clip
+    function clip_str(screw) = str("cable_clip_", screw_radius(screw) * 20, insert ? "I" : "");
     function cable_str(cable) = str("_", cable_wires(cable), "_", round(cable_wire_size(cable) * 10));
 
     if(cable2) {
         stl(str(clip_str(screw), cable_str(cable1), cable_str(cable2)));
 
-        double_cable_clip(screw, cable1, cable2);
+        double_cable_clip(screw, cable1, cable2, insert);
     }
     else {
         stl(str(clip_str(screw), cable_str(cable1)));
 
-        single_cable_clip(screw, cable1);
+        single_cable_clip(screw, cable1, h = 0, insert = insert);
     }
 }
 
 
-module cable_clip_assembly(screw, thickness, cable1, cable2 = 0) { //! Cable clip with the fasteners
-    height = max(cable_clip_height(cable1), cable2 ? cable_clip_height(cable2) : 0);
+module cable_clip_assembly(screw, thickness, cable1, cable2 = 0, flip = false, insert = false) { //! Cable clip with the fasteners
+    flip = flip || insert;          // Screw must be below if using an insert
+    insert = cable_clip_insert(screw, insert);
+    height = max(cable_clip_height(cable1, screw, insert), cable2 ? cable_clip_height(cable2, screw, insert) : 0);
 
     stl_colour(pp1_colour) render()
-        translate([0, cable_clip_width(screw) / 2]) rotate([90, 0, 0])
-            cable_clip(screw, cable1, cable2);
+        translate([0, cable_clip_width(screw, insert) / 2])
+            rotate([90, 0, 0])
+                cable_clip(screw, cable1, cable2, insert);
 
+    nut = screw_nut(screw);
+    screw_len = screw_length(screw, height + thickness, 2, nyloc = !insert, insert = insert);
     translate_z(height)
-        screw_and_washer(screw, screw_length(screw, height + thickness, 2, nyloc = true));
+        if(flip)
+            if(insert)
+                insert(insert);
+            else
+                nut_and_washer(nut, true);
+        else
+            screw_and_washer(screw, screw_len);
 
     translate_z(-thickness)
         vflip()
-            nut_and_washer(screw_nut(screw), true);
+            if(flip)
+                screw_and_washer(screw, screw_len, insert);
+            else
+                nut_and_washer(nut, true);
 }

printed/camera_housing.scad

@@ -383,9 +383,3 @@ module camera_housing(cam) {
         rotate(90)
             camera_bracket(cam);
 }
-
-cam = rpi_camera_v2;
-if($preview)
-    camera_fastened_assembly(cam, 3);
-else
-    camera_housing(cam);

readme.md

@@ -22,33 +22,34 @@ A list of changes classified as breaking, additions or fixes is maintained in [C
 <table><tr>
 <th align="left"> Vitamins A-H </th><th align="left"> Vitamins I-Q </th><th align="left"> Vitamins R-Z </th><th align="left"> Printed </th><th align="left"> Utilities </th><th align="left"> Core Utilities </th></tr>
 <tr><td> <a href = "#7_segments">7_segments</a> </td><td> <a href = "#iecs">IECs</a> </td><td> <a href = "#radials">Radials</a> </td><td> <a href = "#box">Box</a> </td><td> <a href = "#annotation">Annotation</a> </td><td> <a href = "#bom">BOM</a> </td></tr>
-<tr><td> <a href = "#axials">Axials</a> </td><td> <a href = "#inserts">Inserts</a> </td><td> <a href = "#rails">Rails</a> </td><td> <a href = "#butt_box">Butt_box</a> </td><td> <a href = "#bezier">Bezier</a> </td><td> <a href = "#clip">Clip</a> </td></tr>
-<tr><td> <a href = "#bldc_motors">BLDC_motors</a> </td><td> <a href = "#jack">Jack</a> </td><td> <a href = "#ring_terminals">Ring_terminals</a> </td><td> <a href = "#cable_clip">Cable_clip</a> </td><td> <a href = "#catenary">Catenary</a> </td><td> <a href = "#global">Global</a> </td></tr>
-<tr><td> <a href = "#ball_bearings">Ball_bearings</a> </td><td> <a href = "#ldrs">LDRs</a> </td><td> <a href = "#rockers">Rockers</a> </td><td> <a href = "#cable_grommets">Cable_grommets</a> </td><td> <a href = "#core_xy">Core_xy</a> </td><td> <a href = "#polyholes">Polyholes</a> </td></tr>
-<tr><td> <a href = "#batteries">Batteries</a> </td><td> <a href = "#led_meters">LED_meters</a> </td><td> <a href = "#rod">Rod</a> </td><td> <a href = "#camera_housing">Camera_housing</a> </td><td> <a href = "#dogbones">Dogbones</a> </td><td> <a href = "#rounded_rectangle">Rounded_rectangle</a> </td></tr>
-<tr><td> <a href = "#bearing_blocks">Bearing_blocks</a> </td><td> <a href = "#leds">LEDs</a> </td><td> <a href = "#sbr_rails">SBR_rails</a> </td><td> <a href = "#carriers">Carriers</a> </td><td> <a href = "#fillet">Fillet</a> </td><td> <a href = "#sphere">Sphere</a> </td></tr>
-<tr><td> <a href = "#belts">Belts</a> </td><td> <a href = "#leadnuts">Leadnuts</a> </td><td> <a href = "#sk_brackets">SK_brackets</a> </td><td> <a href = "#corner_block">Corner_block</a> </td><td> <a href = "#gears">Gears</a> </td><td> <a href = "#teardrops">Teardrops</a> </td></tr>
-<tr><td> <a href = "#blowers">Blowers</a> </td><td> <a href = "#light_strips">Light_strips</a> </td><td> <a href = "#smds">SMDs</a> </td><td> <a href = "#door_hinge">Door_hinge</a> </td><td> <a href = "#hanging_hole">Hanging_hole</a> </td><td></td></tr>
-<tr><td> <a href = "#box_sections">Box_sections</a> </td><td> <a href = "#linear_bearings">Linear_bearings</a> </td><td> <a href = "#ssrs">SSRs</a> </td><td> <a href = "#door_latch">Door_latch</a> </td><td> <a href = "#horiholes">Horiholes</a> </td><td></td></tr>
-<tr><td> <a href = "#bulldogs">Bulldogs</a> </td><td> <a href = "#magnets">Magnets</a> </td><td> <a href = "#screws">Screws</a> </td><td> <a href = "#drag_chain">Drag_chain</a> </td><td> <a href = "#layout">Layout</a> </td><td></td></tr>
-<tr><td> <a href = "#buttons">Buttons</a> </td><td> <a href = "#mains_sockets">Mains_sockets</a> </td><td> <a href = "#sealing_strip">Sealing_strip</a> </td><td> <a href = "#fan_guard">Fan_guard</a> </td><td> <a href = "#maths">Maths</a> </td><td></td></tr>
-<tr><td> <a href = "#cable_strips">Cable_strips</a> </td><td> <a href = "#microswitches">Microswitches</a> </td><td> <a href = "#servo_motors">Servo_motors</a> </td><td> <a href = "#fixing_block">Fixing_block</a> </td><td> <a href = "#offset">Offset</a> </td><td></td></tr>
-<tr><td> <a href = "#cameras">Cameras</a> </td><td> <a href = "#microview">Microview</a> </td><td> <a href = "#shaft_couplings">Shaft_couplings</a> </td><td> <a href = "#flat_hinge">Flat_hinge</a> </td><td> <a href = "#pcb_utils">PCB_utils</a> </td><td></td></tr>
-<tr><td> <a href = "#circlips">Circlips</a> </td><td> <a href = "#modules">Modules</a> </td><td> <a href = "#sheets">Sheets</a> </td><td> <a href = "#foot">Foot</a> </td><td> <a href = "#quadrant">Quadrant</a> </td><td></td></tr>
-<tr><td> <a href = "#components">Components</a> </td><td> <a href = "#nuts">Nuts</a> </td><td> <a href = "#spades">Spades</a> </td><td> <a href = "#handle">Handle</a> </td><td> <a href = "#round">Round</a> </td><td></td></tr>
-<tr><td> <a href = "#dip">DIP</a> </td><td> <a href = "#o_ring">O_ring</a> </td><td> <a href = "#spools">Spools</a> </td><td> <a href = "#knob">Knob</a> </td><td> <a href = "#rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
-<tr><td> <a href = "#d_connectors">D_connectors</a> </td><td> <a href = "#opengrab">Opengrab</a> </td><td> <a href = "#springs">Springs</a> </td><td> <a href = "#led_bezel">LED_bezel</a> </td><td> <a href = "#rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
-<tr><td> <a href = "#displays">Displays</a> </td><td> <a href = "#pcb">PCB</a> </td><td> <a href = "#stepper_motors">Stepper_motors</a> </td><td> <a href = "#pcb_mount">PCB_mount</a> </td><td> <a href = "#rounded_triangle">Rounded_triangle</a> </td><td></td></tr>
-<tr><td> <a href = "#extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#pcbs">PCBs</a> </td><td> <a href = "#swiss_clips">Swiss_clips</a> </td><td> <a href = "#psu_shroud">PSU_shroud</a> </td><td> <a href = "#sector">Sector</a> </td><td></td></tr>
-<tr><td> <a href = "#extrusions">Extrusions</a> </td><td> <a href = "#psus">PSUs</a> </td><td> <a href = "#terminals">Terminals</a> </td><td> <a href = "#pocket_handle">Pocket_handle</a> </td><td> <a href = "#sweep">Sweep</a> </td><td></td></tr>
-<tr><td> <a href = "#fans">Fans</a> </td><td> <a href = "#panel_meters">Panel_meters</a> </td><td> <a href = "#toggles">Toggles</a> </td><td> <a href = "#press_fit">Press_fit</a> </td><td> <a href = "#thread">Thread</a> </td><td></td></tr>
-<tr><td> <a href = "#fastons">Fastons</a> </td><td> <a href = "#photo_interrupters">Photo_interrupters</a> </td><td> <a href = "#transformers">Transformers</a> </td><td> <a href = "#printed_box">Printed_box</a> </td><td> <a href = "#tube">Tube</a> </td><td></td></tr>
-<tr><td> <a href = "#fuseholder">Fuseholder</a> </td><td> <a href = "#pillars">Pillars</a> </td><td> <a href = "#tubings">Tubings</a> </td><td> <a href = "#printed_pulleys">Printed_pulleys</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#geared_steppers">Geared_steppers</a> </td><td> <a href = "#pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#variacs">Variacs</a> </td><td> <a href = "#ribbon_clamp">Ribbon_clamp</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#green_terminals">Green_terminals</a> </td><td> <a href = "#pin_headers">Pin_headers</a> </td><td> <a href = "#veroboard">Veroboard</a> </td><td> <a href = "#ssr_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#hot_ends">Hot_ends</a> </td><td> <a href = "#potentiometers">Potentiometers</a> </td><td> <a href = "#washers">Washers</a> </td><td> <a href = "#screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#hygrometer">Hygrometer</a> </td><td> <a href = "#pulleys">Pulleys</a> </td><td> <a href = "#wire">Wire</a> </td><td> <a href = "#socket_box">Socket_box</a> </td><td></td><td></td></tr>
-<tr><td></td><td></td><td> <a href = "#zipties">Zipties</a> </td><td> <a href = "#strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#antennas">Antennas</a> </td><td> <a href = "#inserts">Inserts</a> </td><td> <a href = "#rails">Rails</a> </td><td> <a href = "#butt_box">Butt_box</a> </td><td> <a href = "#bezier">Bezier</a> </td><td> <a href = "#clip">Clip</a> </td></tr>
+<tr><td> <a href = "#axials">Axials</a> </td><td> <a href = "#jack">Jack</a> </td><td> <a href = "#ring_terminals">Ring_terminals</a> </td><td> <a href = "#cable_clip">Cable_clip</a> </td><td> <a href = "#catenary">Catenary</a> </td><td> <a href = "#global">Global</a> </td></tr>
+<tr><td> <a href = "#bldc_motors">BLDC_motors</a> </td><td> <a href = "#ldrs">LDRs</a> </td><td> <a href = "#rockers">Rockers</a> </td><td> <a href = "#cable_grommets">Cable_grommets</a> </td><td> <a href = "#core_xy">Core_xy</a> </td><td> <a href = "#polyholes">Polyholes</a> </td></tr>
+<tr><td> <a href = "#ball_bearings">Ball_bearings</a> </td><td> <a href = "#led_meters">LED_meters</a> </td><td> <a href = "#rod">Rod</a> </td><td> <a href = "#camera_housing">Camera_housing</a> </td><td> <a href = "#dogbones">Dogbones</a> </td><td> <a href = "#rounded_rectangle">Rounded_rectangle</a> </td></tr>
+<tr><td> <a href = "#batteries">Batteries</a> </td><td> <a href = "#leds">LEDs</a> </td><td> <a href = "#sbr_rails">SBR_rails</a> </td><td> <a href = "#carriers">Carriers</a> </td><td> <a href = "#fillet">Fillet</a> </td><td> <a href = "#sphere">Sphere</a> </td></tr>
+<tr><td> <a href = "#bearing_blocks">Bearing_blocks</a> </td><td> <a href = "#leadnuts">Leadnuts</a> </td><td> <a href = "#sk_brackets">SK_brackets</a> </td><td> <a href = "#corner_block">Corner_block</a> </td><td> <a href = "#gears">Gears</a> </td><td> <a href = "#teardrops">Teardrops</a> </td></tr>
+<tr><td> <a href = "#belts">Belts</a> </td><td> <a href = "#light_strips">Light_strips</a> </td><td> <a href = "#smds">SMDs</a> </td><td> <a href = "#door_hinge">Door_hinge</a> </td><td> <a href = "#hanging_hole">Hanging_hole</a> </td><td></td></tr>
+<tr><td> <a href = "#blowers">Blowers</a> </td><td> <a href = "#linear_bearings">Linear_bearings</a> </td><td> <a href = "#ssrs">SSRs</a> </td><td> <a href = "#door_latch">Door_latch</a> </td><td> <a href = "#horiholes">Horiholes</a> </td><td></td></tr>
+<tr><td> <a href = "#box_sections">Box_sections</a> </td><td> <a href = "#magnets">Magnets</a> </td><td> <a href = "#screws">Screws</a> </td><td> <a href = "#drag_chain">Drag_chain</a> </td><td> <a href = "#layout">Layout</a> </td><td></td></tr>
+<tr><td> <a href = "#bulldogs">Bulldogs</a> </td><td> <a href = "#mains_sockets">Mains_sockets</a> </td><td> <a href = "#sealing_strip">Sealing_strip</a> </td><td> <a href = "#fan_guard">Fan_guard</a> </td><td> <a href = "#maths">Maths</a> </td><td></td></tr>
+<tr><td> <a href = "#buttons">Buttons</a> </td><td> <a href = "#microswitches">Microswitches</a> </td><td> <a href = "#servo_motors">Servo_motors</a> </td><td> <a href = "#fixing_block">Fixing_block</a> </td><td> <a href = "#offset">Offset</a> </td><td></td></tr>
+<tr><td> <a href = "#cable_strips">Cable_strips</a> </td><td> <a href = "#microview">Microview</a> </td><td> <a href = "#shaft_couplings">Shaft_couplings</a> </td><td> <a href = "#flat_hinge">Flat_hinge</a> </td><td> <a href = "#pcb_utils">PCB_utils</a> </td><td></td></tr>
+<tr><td> <a href = "#cameras">Cameras</a> </td><td> <a href = "#modules">Modules</a> </td><td> <a href = "#sheets">Sheets</a> </td><td> <a href = "#foot">Foot</a> </td><td> <a href = "#quadrant">Quadrant</a> </td><td></td></tr>
+<tr><td> <a href = "#circlips">Circlips</a> </td><td> <a href = "#nuts">Nuts</a> </td><td> <a href = "#spades">Spades</a> </td><td> <a href = "#handle">Handle</a> </td><td> <a href = "#round">Round</a> </td><td></td></tr>
+<tr><td> <a href = "#components">Components</a> </td><td> <a href = "#o_ring">O_ring</a> </td><td> <a href = "#spools">Spools</a> </td><td> <a href = "#knob">Knob</a> </td><td> <a href = "#rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
+<tr><td> <a href = "#dip">DIP</a> </td><td> <a href = "#opengrab">Opengrab</a> </td><td> <a href = "#springs">Springs</a> </td><td> <a href = "#led_bezel">LED_bezel</a> </td><td> <a href = "#rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
+<tr><td> <a href = "#d_connectors">D_connectors</a> </td><td> <a href = "#pcb">PCB</a> </td><td> <a href = "#stepper_motors">Stepper_motors</a> </td><td> <a href = "#pcb_mount">PCB_mount</a> </td><td> <a href = "#rounded_triangle">Rounded_triangle</a> </td><td></td></tr>
+<tr><td> <a href = "#displays">Displays</a> </td><td> <a href = "#pcbs">PCBs</a> </td><td> <a href = "#swiss_clips">Swiss_clips</a> </td><td> <a href = "#psu_shroud">PSU_shroud</a> </td><td> <a href = "#sector">Sector</a> </td><td></td></tr>
+<tr><td> <a href = "#extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#psus">PSUs</a> </td><td> <a href = "#terminals">Terminals</a> </td><td> <a href = "#pocket_handle">Pocket_handle</a> </td><td> <a href = "#sweep">Sweep</a> </td><td></td></tr>
+<tr><td> <a href = "#extrusions">Extrusions</a> </td><td> <a href = "#panel_meters">Panel_meters</a> </td><td> <a href = "#toggles">Toggles</a> </td><td> <a href = "#press_fit">Press_fit</a> </td><td> <a href = "#thread">Thread</a> </td><td></td></tr>
+<tr><td> <a href = "#fans">Fans</a> </td><td> <a href = "#photo_interrupters">Photo_interrupters</a> </td><td> <a href = "#transformers">Transformers</a> </td><td> <a href = "#printed_box">Printed_box</a> </td><td> <a href = "#tube">Tube</a> </td><td></td></tr>
+<tr><td> <a href = "#fastons">Fastons</a> </td><td> <a href = "#pillars">Pillars</a> </td><td> <a href = "#ttracks">Ttracks</a> </td><td> <a href = "#printed_pulleys">Printed_pulleys</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#fuseholder">Fuseholder</a> </td><td> <a href = "#pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#tubings">Tubings</a> </td><td> <a href = "#ribbon_clamp">Ribbon_clamp</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#gear_motors">Gear_motors</a> </td><td> <a href = "#pin_headers">Pin_headers</a> </td><td> <a href = "#variacs">Variacs</a> </td><td> <a href = "#ssr_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#geared_steppers">Geared_steppers</a> </td><td> <a href = "#potentiometers">Potentiometers</a> </td><td> <a href = "#veroboard">Veroboard</a> </td><td> <a href = "#screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#green_terminals">Green_terminals</a> </td><td> <a href = "#pulleys">Pulleys</a> </td><td> <a href = "#washers">Washers</a> </td><td> <a href = "#socket_box">Socket_box</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#hot_ends">Hot_ends</a> </td><td></td><td> <a href = "#wire">Wire</a> </td><td> <a href = "#strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#hygrometer">Hygrometer</a> </td><td></td><td> <a href = "#zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
 </table>
 
 ---
@@ -82,6 +83,53 @@ Presence of a decimal point is determined by the number of pins. Its position is
 ![7_segments](tests/png/7_segments.png)
 
 
+<a href="#top">Top</a>
+
+---
+<a name="antennas"></a>
+## Antennas
+Wifi Antennas
+
+[vitamins/antennas.scad](vitamins/antennas.scad) Object definitions.
+
+[vitamins/antenna.scad](vitamins/antenna.scad) Implementation.
+
+[tests/antennas.scad](tests/antennas.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `antenna_bot_d(type)` | Diameter at the base |
+| `antenna_gap(type)` | Space for left panel, washers and nuts when screwed on fully. |
+| `antenna_grip(type)` | Grip d, h, h2 |
+| `antenna_hinge(type)` | Hinge post width, z value of the pin, pin diameter, width reduction and slot width |
+| `antenna_length(type)` | Total length |
+| `antenna_rings(type)` | List of ring z, thickness, depths |
+| `antenna_split(type)` | Split point |
+| `antenna_straight(type)` | Length of the straight part |
+| `antenna_top_d(type)` | Diameter at the top |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `antenna_hole_r(type)` | Panel hole radius |
+| `antenna_nut(type)` | The nut |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `antenna(type, thickness, angle)` | Draw a WiFi antenna |
+
+![antennas](tests/png/antennas.png)
+
+### Vitamins
+| Qty | Module call | BOM entry |
+| ---:|:--- |:---|
+|   1 | `antenna(ESP201_antenna)` |  Antenna ESP201 |
+|   1 | `nut(ant_nut)` |  Nut M6.25 x 1.8mm  |
+|   1 | `star_washer(ant_washer_washer)` |  Washer star M6.4 x 0.6mm |
+
+
 <a href="#top">Top</a>
 
 ---
@@ -182,6 +230,8 @@ Also single bearing balls are modelled as just a silver sphere and a BOM entry.
 |   1 | `ball_bearing(BB6201)` |  Ball bearing 6201-2RS 12mm x 32mm x 10mm |
 |   1 | `ball_bearing(BB624)` |  Ball bearing 624-2RS 4mm x 13mm x 5mm |
 |   1 | `ball_bearing(BB6808)` |  Ball bearing 6808-2RS 40mm x 52mm x 7mm |
+|   1 | `ball_bearing(BB686)` |  Ball bearing 686ZZ 6mm x 13mm x 5mm |
+|   1 | `ball_bearing(BB696)` |  Ball bearing 696ZZ 6mm x 16mm x 5mm |
 |   1 | `ball_bearing(BBF623)` |  Ball bearing F623-2RS 3mm x 10mm x 4mm |
 |   1 | `ball_bearing(BBF693)` |  Ball bearing F693ZZ 3mm x 8mm x 3mm |
 |   1 | `ball_bearing(BBF695)` |  Ball bearing F695ZZ 5mm x 13mm x 4mm |
@@ -189,7 +239,7 @@ Also single bearing balls are modelled as just a silver sphere and a BOM entry.
 |   1 | `ball_bearing(BBMR83)` |  Ball bearing MR83ZZ 3mm x 8mm x 3mm |
 |   1 | `ball_bearing(BBMR93)` |  Ball bearing MR93ZZ 3mm x 9mm x 4mm |
 |   1 | `ball_bearing(BBSMR95)` |  Ball bearing SMR95ZZ 5mm x 9mm x 2.5mm |
-|   5 | ` bearing_ball(3)` |  Steel ball 3mm |
+|   7 | ` bearing_ball(3)` |  Steel ball 3mm |
 
 
 <a href="#top">Top</a>
@@ -387,10 +437,14 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   1 | `belt(GT2x12, [ ... ])` |  Belt GT2 x 12mm x 128mm |
 |   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 128mm |
-|   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 552mm |
-|   2 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 556mm |
+|   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 584mm |
+|   2 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 588mm |
 |   1 | `belt(GT2x9, [ ... ])` |  Belt GT2 x 9mm x 128mm |
+|   1 | `belt(GT3x12, [ ... ])` |  Belt GT3 x 12mm x 128mm |
+|   1 | `belt(GT3x6, [ ... ])` |  Belt GT3 x 6mm x 128mm |
+|   1 | `belt(GT3x9, [ ... ])` |  Belt GT3 x 9mm x 128mm |
 |   1 | `belt(T2p5x6, [ ... ])` |  Belt T2.5 x 6mm x 130mm |
 |   1 | `belt(T5x10, [ ... ])` |  Belt T5 x 10mm x 130mm |
 |   1 | `belt(T5x6, [ ... ])` |  Belt T5 x 6mm x 130mm |
@@ -571,7 +625,9 @@ Box sections.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   1 | `box_section(AL12x8x1, 100)` |  Aluminium rectangular box section 12mm x 8mm x 1mm, length 100mm |
-|   1 | `box_section(AL20x20x2, 100)` |  Aluminium rectangular box section 20mm x 20mm x 2mm, length 100mm |
+|   1 | `box_section(AL20x20x2, 80)` |  Aluminium rectangular box section 20mm x 20mm x 2mm, length 80mm |
+|   1 | `box_section(AL38p1x25p4x1p6, 60)` |  Aluminium rectangular box section 38.1mm x 25.4mm x 1.6mm, length 60mm |
+|   1 | `box_section(AL50p8x38p1x3, 40)` |  Aluminium rectangular box section 50.8mm x 38.1mm x 3.0mm, length 40mm |
 |   1 | `box_section(CF10x10x1, 100)` |  Carbon fiber rectangular box section 10mm x 10mm x 1mm, length 100mm |
 
 
@@ -639,6 +695,7 @@ PCB mounted buttons. Can optionally have a coloured cap
 | `square_button_d(type)` | Button diameter |
 | `square_button_h(type)` | Height of the button above the PCB |
 | `square_button_height(type)` | Height of the base |
+| `square_button_ra_z(type)` | Height of button centre above the PCB for right_angle version |
 | `square_button_rivit(type)` | Size of the corner rivets |
 | `square_button_wall(type)` | Offset of the metal part |
 | `square_button_width(type)` | Width and depth of the base |
@@ -646,7 +703,7 @@ PCB mounted buttons. Can optionally have a coloured cap
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `square_button(type, colour = "yellow")` | Draw square button with specified cap colour if it has a cap |
+| `square_button(type, colour = "yellow", right_angle = false)` | Draw square button with specified cap colour if it has a cap |
 
 ![buttons](tests/png/buttons.png)
 
@@ -656,6 +713,7 @@ PCB mounted buttons. Can optionally have a coloured cap
 |   1 | `square_button(button_12mm, "yellow")` |  Square button 12mm with yellow cap |
 |   1 | `square_button(button_4p5mm)` |  Square button 4.5mm |
 |   1 | `square_button(button_6mm)` |  Square button 6mm |
+|   1 | `square_button(button_6mm_7)` |  Square button 6mm |
 
 
 <a href="#top">Top</a>
@@ -721,6 +779,11 @@ PCB cameras.
 | `camera_lens_offset(type)` | Offset of the lens center from the PCB centre |
 | `camera_pcb(type)` | The PCB part of the camera |
 
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `camera_lens_height(type)` | The height of the lens stack |
+
 ### Modules
 | Module | Description |
 |:--- |:--- |
@@ -853,6 +916,7 @@ Various electronic components used in hot ends and heated beds.
 | `fack2spm()` | Draw a FACK2SPM Cat5E RJ45 shielded panel mount coupler |
 | `fack2spm_hole_positions()` | Place children at the FACK2SPM mounting hole positions |
 | `fack2spm_holes(h = 0)` | Cut the holes for a FACK2SPM |
+| `multiwatt11(part_no, tail = 3)` | Draw a MULTIWATT11 package |
 | `panel_USBA()` | Draw a panel mount USBA connector |
 | `panel_USBA_hole_positions()` | Place children at hole positions |
 | `panel_USBA_holes(h = 100)` | Make holes for USBA connector |
@@ -869,6 +933,7 @@ Various electronic components used in hot ends and heated beds.
 |   1 | `TO220("Generic TO220 package")` |  Generic TO220 package |
 |   1 | `TO247("Generic TO247 package")` |  Generic TO247 package |
 |   8 | `tubing(HSHRNK32)` |  Heatshrink sleeving ID 3.2mm x 15mm |
+|   1 | `multiwatt11("L6203")` |  MULTIWATT11 L6203 |
 |   1 | `resistor(RWM04106R80J)` |  Resistor RWM04106R80J 6R8 3W vitreous enamel |
 |   1 | `resistor(RIE1212UB5C5R6)` |  Resistor UB5C 5R6F 5R6 3W vitreous enamel |
 |   1 | `al_clad_resistor(THS10, 4.7)` |  Resistor aluminium clad THS10 4.7 |
@@ -922,6 +987,7 @@ D-connectors. Can be any number of ways, male or female, solder buckets, PCB mou
 | Module | Description |
 |:--- |:--- |
 | `d_connector_holes(type)` | Place children at the screw hole positions |
+| `d_hole(type, h = 0, center = true, clearance = 0.2)` | Make a hole to clear the back of d-connector |
 | `d_pillar()` | Draw a pillar for a D-connector |
 | `d_plug(type, socket = false, pcb = false, idc = false)` | Draw specified D plug, which can be IDC, PCB or plain solder bucket |
 | `d_plug_D(length, width, rad)` | D plug D shape |
@@ -1031,6 +1097,7 @@ LCD displays.
 |   1 | `display(HDMI5)` |  HDMI display 5" |
 |   1 | `display(TFT128x160)` |  LCD TFT ST7735 display 128x160 |
 |   1 | `display(LCD1602A)` |  LCD display 1602A |
+|   1 | `display(LCD2004A)` |  LCD display 2004A |
 |   1 | `display(LCDS7282B)` |  LCD display S-7282B |
 |   1 | `display(SSD1963_4p3)` |  LCD display SSD1963 4.3" |
 
@@ -1246,7 +1313,7 @@ Faston receptacles to mate with spade connectors
 | `faston_insul_crimp_l(type)` | Length of the insulation crimp |
 | `faston_insul_crimp_o(type)` | Offset of insulation crimp |
 | `faston_insul_crimp_p(type)` | Position of the tip of the insulation crimp |
-| `faston_size(type)` | Size of the receptical part |
+| `faston_size(type)` | Size of the receptacle part |
 | `faston_t(type)` | Thickness |
 | `faston_wall_h(type)` | Height of transition web wall |
 | `faston_width(type)` | Width of matching spade |
@@ -1303,6 +1370,56 @@ Faston receptacles to mate with spade connectors
 |   1 | `fuseholder(6)` |  Fuse holder 20mm |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="gear_motors"></a>
+## Gear_motors
+DC motors with a gearbox
+
+[vitamins/gear_motors.scad](vitamins/gear_motors.scad) Object definitions.
+
+[vitamins/gear_motor.scad](vitamins/gear_motor.scad) Implementation.
+
+[tests/gear_motors.scad](tests/gear_motors.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `gm_boss(type)` | Motor boss diameter, corner radius, height and colour |
+| `gm_box(type)` | Size, corner radius, colour |
+| `gm_holes(type)` | List of hole positions |
+| `gm_hub(type)` | Motor hub diameter, height, corner rad |
+| `gm_motor(type)` | Motor position, diameter, height, corner rad and colour |
+| `gm_motor_boss(type)` | Motor mounting boss on gearbox |
+| `gm_screw(type)` | Screw type |
+| `gm_screw_boss(type)` | Screw boss diameter and height |
+| `gm_screw_depth(type)` | Screw hole depth |
+| `gm_shaft(type)` | Shaft diameter, flat width, length, flat length. |
+| `gm_shaft_offset(type)` | Offset of shaft from the centre of the gearbox |
+| `gm_tags(type)` | Tag size and pitch |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `gm_box_width(type)` | Gearbox width if rectangular or diameter if round |
+| `gm_depth(type)` | Motor total depth |
+| `gm_motor_d(type)` | Motor diameter |
+| `gm_motor_pos(type)` | Motor position relative to centre of the gearbox |
+| `gm_shaft_flat_l(type)` | Length of the shaft flat section |
+| `gm_shaft_flat_w(type)` | Shaft width across the flat |
+| `gm_shaft_length(type)` | Length of the shaft |
+| `gm_shaft_pos(type)` | Shaft position |
+| `gm_shaft_r(type)` | Shaft radius |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `gear_motor(type, alpha = 1)` | Draw specified gear motor, can be partially transparent to see what is behind it |
+
+![gear_motors](tests/png/gear_motors.png)
+
+
 <a href="#top">Top</a>
 
 ---
@@ -1522,6 +1639,7 @@ IEC mains inlets and outlet.
 | `iec_body_r(type)` | Body corner radius |
 | `iec_body_w(type)` | Body width |
 | `iec_body_w2(type)` | Body width at the narrow part |
+| `iec_can(type)` | If it has a can then the width, height, thickness and total width of the metal flange |
 | `iec_depth(type)` | Depth of the body below the flange |
 | `iec_flange_h(type)` | Flange height |
 | `iec_flange_r(type)` | Flange corner radius |
@@ -1556,14 +1674,15 @@ IEC mains inlets and outlet.
 |   1 | `iec(IEC_fused_inlet)` |  IEC fused inlet JR-101-1F |
 |   1 | `iec(IEC_fused_inlet2)` |  IEC fused inlet old |
 |   1 | `iec(IEC_inlet)` |  IEC inlet |
+|   1 | `iec(IEC_yunpen)` |  IEC inlet filtered |
 |   1 | `iec(IEC_inlet_atx)` |  IEC inlet for ATX |
 |   1 | `iec(IEC_outlet)` |  IEC outlet RS 811-7193 |
 |   1 | `iec(IEC_inlet_atx2)` |  IEC pressfit inlet for ATX |
 |   1 | `iec(IEC_320_C14_switched_fused_inlet)` |  IEC320 C14 switched fused inlet module |
-|  12 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|  14 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
 |   4 | `screw(M3_cs_cap_screw, 10)` |  Screw M3 cs cap x 10mm |
-|   8 | `screw(M3_cs_cap_screw, 12)` |  Screw M3 cs cap x 12mm |
-|  12 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|  10 | `screw(M3_cs_cap_screw, 12)` |  Screw M3 cs cap x 12mm |
+|  14 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 
 
 <a href="#top">Top</a>
@@ -1590,6 +1709,8 @@ Heatfit threaded inserts. Can be pushed into thermoplastics using a soldering ir
 | `insert_ring2_d(type)` | Diameter of the middle ring |
 | `insert_ring3_d(type)` | Diameter of the bottom ring |
 | `insert_screw_diameter(type)` | Screw size |
+| `threaded_insert_chamfer(type)` | Size of the chamfer for threaded inserts |
+| `threaded_insert_pitch(type)` | Pitch of the outer thread for threaded inserts |
 
 ### Functions
 | Function | Description |
@@ -1605,6 +1726,7 @@ Heatfit threaded inserts. Can be pushed into thermoplastics using a soldering ir
 | `insert_boss(type, z, wall = 2 * extrusion_width)` | Make a boss to take an insert |
 | `insert_hole(type, counterbore = 0, horizontal = false)` | Make a hole to take an insert, `counterbore` is the extra length for the screw |
 | `insert_lug(insert, wall, counter_bore = 0, extension = 0, corner_r = 0, flying = true)` | Make a flying insert lug, see [ssr_shroud](#Ssr_shroud) |
+| `threaded_insert(type)` | Draw specified threaded insert, for use in wood |
 
 ![inserts](tests/png/inserts.png)
 
@@ -1619,6 +1741,14 @@ Heatfit threaded inserts. Can be pushed into thermoplastics using a soldering ir
 |   1 | `insert(CNCKM4)` |  Heatfit insert M4 x 4mm |
 |   1 | `insert(F1BM4)` |  Heatfit insert M4 x 8.2mm |
 |   2 | `insert(CNCKM5)` |  Heatfit insert M5 x 5.8mm |
+|   1 | `threaded_insert(M10x25)` |  Threaded insert M10 x 25mm |
+|   1 | `threaded_insert(M12x30)` |  Threaded insert M12 x 30mm |
+|   1 | `threaded_insert(M16x30)` |  Threaded insert M16 x 30mm |
+|   1 | `threaded_insert(M3x8)` |  Threaded insert M3 x 8mm |
+|   1 | `threaded_insert(M4x10)` |  Threaded insert M4 x 10mm |
+|   1 | `threaded_insert(M5x12)` |  Threaded insert M5 x 12mm |
+|   1 | `threaded_insert(M6x15)` |  Threaded insert M6 x 15mm |
+|   1 | `threaded_insert(M8x18)` |  Threaded insert M8 x 18mm |
 
 
 <a href="#top">Top</a>
@@ -1642,6 +1772,7 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 | `jack_4mm_shielded_hole_radius()` | Panel hole radius for 4mm shielded jack |
 | `jack_4mm_shielded_nut_radius()` | Largest diameter of 4mm shielded jack |
 | `post_4mm_diameter()` | Outer diameter of 4mm binding post |
+| `power_jack_radius()` | Power jack socket flange radius |
 
 ### Modules
 | Module | Description |
@@ -1651,6 +1782,7 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 | `jack_4mm_shielded(colour, thickness, display_colour = false)` | Draw a 4mm shielded jack |
 | `post_4mm(colour, thickness, display_colour = false)` | Draw a 4mm binding post |
 | `post_4mm_hole(h = 100, poly = false)` | Drill hole for 4mm binding post |
+| `power_jack(thickness)` | Draw a power jack socket with nut positioned for specified panel thickness |
 
 ![jack](tests/png/jack.png)
 
@@ -1661,6 +1793,7 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 |   1 | `jack_4mm("blue", 3, "royalblue")` |  4mm jack socket blue |
 |   1 | `jack_4mm_plastic("[0.2, 0.2, 0.2]", 3, [0.2, 0.2, 0.2])` |  4mm plastic jack socket [0.2, 0.2, 0.2] |
 |   1 | `jack_4mm_shielded("brown", 3, "sienna")` |  4mm shielded jack socket brown |
+|   1 | `power_jack()` |  Power jack socket |
 
 
 <a href="#top">Top</a>
@@ -1860,11 +1993,12 @@ Standard domed through hole LEDs. Can specify colour and lead length.
 | Function | Description |
 |:--- |:--- |
 | `led_hole_radius(type)` | Radius of panel hole to accept LED |
+| `led_radius(type)` | Radius |
 
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `led(type, colour = "red", lead = 5)` | Draw specified LED with desired colour and led length |
+| `led(type, colour = "red", lead = 5, right_angle = 0)` | Draw specified LED with desired colour and lead length |
 
 ![leds](tests/png/leds.png)
 
@@ -2047,6 +2181,7 @@ UK 13A sockets at the moment.
 | Function | Description |
 |:--- |:--- |
 | `mains_socket_corner(type)` | Corner radius |
+| `mains_socket_counterbore(type)` | Screw counterbore |
 | `mains_socket_depth(type)` | Depth at the base |
 | `mains_socket_height(type)` | Height |
 | `mains_socket_offset(type)` | Offset of the socket from the centre |
@@ -2067,7 +2202,7 @@ UK 13A sockets at the moment.
 | `mains_socket(type)` | Draw specified 13A socket |
 | `mains_socket_earth_position(type)` | Position of earth terminal for DiBond panel |
 | `mains_socket_hole_positions(type)` | Position children at the screw holes |
-| `mains_socket_holes(type, h = 0)` | Panel cutout |
+| `mains_socket_holes(type, h = 0, earth = true, small = false)` | Panel cutout |
 
 ![mains_sockets](tests/png/mains_sockets.png)
 
@@ -2075,6 +2210,7 @@ UK 13A sockets at the moment.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   1 | `mains_socket(Contactum)` |  Mains socket 13A |
+|   1 | `mains_socket(PMS9143A)` |  Mains socket 13A |
 |   1 | `mains_socket(MKLOGIC)` |  Mains socket 13A, switched |
 
 
@@ -2229,6 +2365,7 @@ If a nut is given a child then it gets placed on its top surface.
 ### Properties
 | Function | Description |
 |:--- |:--- |
+| `nut_dome(type)` | Dome height and max thread depth if a domed acorn nut |
 | `nut_pitch(type)` | Pitch if not standard metric course thread |
 | `nut_radius(type)` | Radius across the corners |
 | `nut_size(type)` | Diameter of the corresponding screw |
@@ -2241,8 +2378,10 @@ If a nut is given a child then it gets placed on its top surface.
 ### Functions
 | Function | Description |
 |:--- |:--- |
+| `nut_dome_height(type)` | Height of the domed version |
 | `nut_flat_radius(type)` | Radius across the flats |
 | `nut_thickness(type, nyloc = false)` | Thickness of plain or nyloc version |
+| `nut_thread_depth(type)` | Max thread depth in domed version |
 | `nut_trap_flat_radius(nut, horizontal = false)` | Radius across the flats of a nut trap |
 | `nut_trap_radius(nut, horizontal = false)` | Radius across the corners of a nut trap |
 | `t_nut_tab(type)` | Sliding t-nut T dimensions |
@@ -2250,7 +2389,7 @@ If a nut is given a child then it gets placed on its top surface.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `nut(type, nyloc = false, brass = false, nylon = false)` | Draw specified nut |
+| `nut(type, nyloc = false, brass = false, nylon = false, dome = false)` | Draw specified nut |
 | `nut_and_washer(type, nyloc)` | Draw nut with corresponding washer |
 | `nut_square(type, brass = false, nylon = false)` | Draw specified square nut |
 | `nut_trap(screw, nut, depth = 0, horizontal = false, supported = false, h = 200)` | Make a nut trap |
@@ -2271,24 +2410,29 @@ If a nut is given a child then it gets placed on its top surface.
 |   1 | `sliding_t_nut(M3_sliding_t_nut)` |  Nut M3 sliding T |
 |   1 | `nut(M3_nut)` |  Nut M3 x 2.4mm  |
 |   1 | `nut(M3_nut, brass = true)` |  Nut M3 x 2.4mm brass |
+|   1 | `nut(M3_nut, dome = true)` |  Nut M3 x 2.4mm domed |
 |   1 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
 |   1 | `nut(M3nS_thin_nut)` |  Nut M3nS 5.5 x 1.8mm  |
 |   1 | `sliding_t_nut(M4_hammer_nut)` |  Nut M4 hammer |
 |   1 | `sliding_t_nut(M4_sliding_t_nut)` |  Nut M4 sliding T |
 |   1 | `nut(M4_nut)` |  Nut M4 x 3.2mm  |
+|   1 | `nut(M4_nut, dome = true)` |  Nut M4 x 3.2mm domed |
 |   1 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
 |   1 | `nut(M4nS_thin_nut)` |  Nut M4nS 7 x 2.2mm  |
 |   1 | `sliding_t_nut(M5_sliding_t_nut)` |  Nut M5 sliding T |
 |   1 | `nut(M5_nut)` |  Nut M5 x 4mm  |
+|   1 | `nut(M5_nut, dome = true)` |  Nut M5 x 4mm domed |
 |   1 | `nut(M5_nut, nyloc = true)` |  Nut M5 x 4mm nyloc |
 |   1 | `nut(M5nS_thin_nut)` |  Nut M5nS 8 x 2.7mm  |
 |   1 | `sliding_t_nut(M6_sliding_t_nut)` |  Nut M6 hammer |
 |   1 | `nut(M6_half_nut)` |  Nut M6 x 3mm  |
 |   1 | `nut(M6_nut)` |  Nut M6 x 5mm  |
+|   1 | `nut(M6_nut, dome = true)` |  Nut M6 x 5mm domed |
 |   1 | `nut(M6_nut, nyloc = true)` |  Nut M6 x 5mm nyloc |
 |   1 | `nut(M6nS_thin_nut)` |  Nut M6nS 10 x 3.2mm  |
 |   1 | `sliding_t_nut(M8_sliding_ball_t_nut)` |  Nut M8 sliding T with spring loaded ball |
 |   1 | `nut(M8_nut)` |  Nut M8 x 6.5mm  |
+|   1 | `nut(M8_nut, dome = true)` |  Nut M8 x 6.5mm domed |
 |   1 | `nut(M8_nut, nyloc = true)` |  Nut M8 x 6.5mm nyloc |
 |   1 | `nut(M8nS_thin_nut)` |  Nut M8nS 13 x 4mm  |
 |   1 | `washer(M6_washer)` |  Washer  M6 x 12.5mm x 1.5mm |
@@ -2468,6 +2612,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 ### Functions
 | Function | Description |
 |:--- |:--- |
+| `pcb(name, desc, size, corner_r = 0, hole_d = 0, land_d = 0, colour = "green", parts_on_bom = false, holes = [], components = [], accessories = [], grid = undef, polygon = undef, screw = undef)` | Constructor |
 | `pcb_component(type, name, index = 0)` | Return the component specified by name and index |
 | `pcb_component_position(type, name, index = 0)` | Return x y position of specified component |
 | `pcb_coord(type, p)` | Convert offsets from the edge to coordinates relative to the centre |
@@ -2656,6 +2801,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 ### Functions
 | Function | Description |
 |:--- |:--- |
+| `pcb(name, desc, size, corner_r = 0, hole_d = 0, land_d = 0, colour = "green", parts_on_bom = false, holes = [], components = [], accessories = [], grid = undef, polygon = undef, screw = undef)` | Constructor |
 | `pcb_component(type, name, index = 0)` | Return the component specified by name and index |
 | `pcb_component_position(type, name, index = 0)` | Return x y position of specified component |
 | `pcb_coord(type, p)` | Convert offsets from the edge to coordinates relative to the centre |
@@ -2721,10 +2867,14 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(DuetE)` |  Duet 2 Ethernet electronics |
 |   1 | `pcb(Duex2)` |  Duex2 expansion board - not shown |
 |   1 | `pcb(Duex5)` |  Duex5 expansion board |
-|   1 | `pcb(ESP-01)` |  ESP-01 |
+|   1 | `pcb(ESP_01)` |  ESP-01 |
+|   1 | `pcb(ESP_01M)` |  ESP-01M WiFi module (ESP8285) |
+|   1 | `pcb(ESP_12F)` |  ESP-12F ESP8266 WiFi module |
+|   1 | `pcb(ESP_201)` |  ESP-201 ESP8266 WiFi module |
 |   1 | `pcb(ESP32_DOIT_V1)` |  ESP32 DOIT DEV KIT V1 |
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
 |   1 | `pcb(ExtruderPCB)` |  Extruder connection PCB - not shown |
+|   1 | `pcb(HW803_1WAY_RELAY)` |  HW-803 5V 1 way relay module |
 |   1 | `pcb(KY_040)` |  KY-040 rotart encoder breakout |
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board - not shown |
 |   1 | `pcb(L9110S)` |  L9110S 2-Channel motor driver module |
@@ -2738,7 +2888,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `molex_254(3)` |  Molex KK header 3 way - not shown |
 |  20 | `nut(M2_nut, nyloc = true)` |  Nut M2 x 1.6mm nyloc |
 |  38 | `nut(M2p5_nut, nyloc = true)` |  Nut M2.5 x 2.2mm nyloc |
-|  43 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|  47 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
 |   8 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
 |   1 | `pcb(OPZ2)` |  Orange Pi Zero 2 |
 |   1 | `pcb(PI_IO)` |  PI_IO V2 - not shown |
@@ -2758,18 +2908,20 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(RPI_Pico)` |  Raspberry Pi Pico |
 |   1 | `pcb(RPI0)` |  Raspberry Pi Zero |
 |   8 | `screw(M2_cap_screw, 16)` |  Screw M2 cap x 16mm |
-|  12 | `screw(M2_cap_screw, 20)` |  Screw M2 cap x 20mm |
-|   2 | `screw(M2p5_cap_screw, 16)` |  Screw M2.5 cap x 16mm |
-|   8 | `screw(M2p5_cap_screw, 25)` |  Screw M2.5 cap x 25mm |
+|   8 | `screw(M2_cap_screw, 20)` |  Screw M2 cap x 20mm |
+|   4 | `screw(M2_cap_screw, 25)` |  Screw M2 cap x 25mm |
+|   2 | `screw(M2p5_cap_screw, 20)` |  Screw M2.5 cap x 20mm |
+|   4 | `screw(M2p5_cap_screw, 25)` |  Screw M2.5 cap x 25mm |
 |   4 | `screw(M2p5_cap_screw, 30)` |  Screw M2.5 cap x 30mm |
-|   8 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
-|   4 | `screw(M2p5_dome_screw, 20)` |  Screw M2.5 dome x 20mm |
+|  12 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
+|   4 | `screw(M2p5_dome_screw, 25)` |  Screw M2.5 dome x 25mm |
 |   4 | `screw(M2p5_pan_screw, 20)` |  Screw M2.5 pan x 20mm |
-|   4 | `screw(M2p5_pan_screw, 25)` |  Screw M2.5 pan x 25mm |
-|   4 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
-|  17 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
-|  15 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
-|  11 | `screw(M3_cap_screw, 30)` |  Screw M3 cap x 30mm |
+|   8 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
+|  19 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
+|  13 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
+|   4 | `screw(M3_cap_screw, 25)` |  Screw M3 cap x 25mm |
+|   8 | `screw(M3_cap_screw, 30)` |  Screw M3 cap x 30mm |
+|   3 | `screw(M3_cap_screw, 35)` |  Screw M3 cap x 35mm |
 |   4 | `screw(M4_cap_screw, 20)` |  Screw M4 cap x 20mm |
 |   4 | `screw(M4_cap_screw, 25)` |  Screw M4 cap x 25mm |
 |   1 | `pcb(XIAO)` |  Seeeduino XIAO |
@@ -2777,10 +2929,11 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   3 | `terminal_35(2)` |  Terminal block 2 way 3.5mm - not shown |
 |   2 | `green_terminal(gt_2p54, 4)` |  Terminal block 4 way 0.1" - not shown |
 |   1 |  |  USB A to Mini B lead - not shown |
+|   1 | `pcb(tiny_buck)` |  Ultra Small 3A buck regulator |
 |   1 | `pcb(WD2002SJ)` |  WD2002SJ Buck Boost DC-DC converter |
 |  20 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
 |  38 | `washer(M2p5_washer)` |  Washer  M2.5 x 5.9mm x 0.5mm |
-|  43 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|  47 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 |   8 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 |   1 | `pcb(ZC_A0591)` |  ZC-A0591 ULN2003 driver PCB |
 
@@ -2788,27 +2941,28 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | Qty | Filename |
 | ---:|:--- |
 |   4 | pcb_spacer20100.stl |
-|   4 | pcb_spacer20120.stl |
+|   4 | pcb_spacer20140.stl |
 |   4 | pcb_spacer2070.stl |
 |   4 | pcb_spacer2080.stl |
 |   4 | pcb_spacer2090.stl |
-|   4 | pcb_spacer25110.stl |
-|   4 | pcb_spacer25140.stl |
-|   4 | pcb_spacer25150.stl |
-|   4 | pcb_spacer25160_2.stl |
-|   4 | pcb_spacer25170_2.stl |
-|   4 | pcb_spacer25210.stl |
-|   4 | pcb_spacer25220.stl |
+|   2 | pcb_spacer25100.stl |
+|   4 | pcb_spacer25130.stl |
+|   4 | pcb_spacer25160.stl |
+|   4 | pcb_spacer25170.stl |
+|   4 | pcb_spacer25180_2.stl |
+|   4 | pcb_spacer25190_2.stl |
 |   4 | pcb_spacer25230.stl |
-|   2 | pcb_spacer2550.stl |
-|   4 | pcb_spacer2590.stl |
-|   4 | pcb_spacer30180.stl |
-|   4 | pcb_spacer30190.stl |
-|   3 | pcb_spacer30200.stl |
-|   8 | pcb_spacer3050.stl |
+|   4 | pcb_spacer25240.stl |
+|   4 | pcb_spacer25250.stl |
+|   4 | pcb_spacer2580.stl |
+|   4 | pcb_spacer30120.stl |
+|   4 | pcb_spacer30200.stl |
+|   4 | pcb_spacer30210.stl |
+|   3 | pcb_spacer30220.stl |
+|  10 | pcb_spacer3050.stl |
 |   9 | pcb_spacer3060.stl |
-|   7 | pcb_spacer3070.stl |
-|   8 | pcb_spacer3080.stl |
+|   9 | pcb_spacer3070.stl |
+|   4 | pcb_spacer3080.stl |
 |   4 | pcb_spacer40100.stl |
 |   4 | pcb_spacer4090.stl |
 
@@ -2873,6 +3027,7 @@ Threaded pillars. Each end can be male or female.
 | Function | Description |
 |:--- |:--- |
 | `pillar_bot_thread(type)` | Bottom thread length, + for male, - for female |
+| `pillar_chamfered(type)` | True if pillar is chamfered |
 | `pillar_height(type)` | Body height |
 | `pillar_i_colour(type)` | Colour of the inner part |
 | `pillar_id(type)` | Inner diameter of metal part |
@@ -3250,6 +3405,12 @@ Radial components for PCBs.
 | `rd_disc_lead_d(type)` | Lead diameter and sleeve diameter |
 | `rd_disc_pitch(type)` | Lead pitch X & Y |
 | `rd_disc_size(type)` | Diameter, thickness and height |
+| `rd_electrolytic_colours(type)` | Colour of jacket and stripe |
+| `rd_electrolytic_crimp(type)` | Width and height of crimp |
+| `rd_electrolytic_lead_d(type)` | Lead diameter |
+| `rd_electrolytic_pitch(type)` | Lead pitch |
+| `rd_electrolytic_radius(type)` | Corner radius |
+| `rd_electrolytic_size(type)` | Diameter, crimp diameter, height |
 | `rd_module_colour(type)` | Colour |
 | `rd_module_kind(type)` | Relay, PSU, etc. |
 | `rd_module_pin_posns(type)` | list of pin positions |
@@ -3269,6 +3430,7 @@ Radial components for PCBs.
 | Module | Description |
 |:--- |:--- |
 | `rd_disc(type, value, pitch = undef, z = 0, tail = 3)` | Draw a radial disc component |
+| `rd_electrolytic(type, value, pitch = undef, z = 0, tail = 3)` | Draw a radial electrolytic capcacitor |
 | `rd_module(type, value)` | Draw a PCB mounted potted module, e.g. PSU or relay |
 | `rd_transistor(type, value, kind = "Transistor", lead_positions = undef, z = 5, tail = 3)` | Draw a radial lead transistor |
 | `rd_xtal(type, value, z = 0, pitch = undef, tail = 3)` | Draw a crystal |
@@ -3284,8 +3446,10 @@ Radial components for PCBs.
 |   1 | `rd_xtal(C_002RX, "C_002RX")` |  Crystal C_002RX C_002RX |
 |   1 | `rd_xtal(HC49, "HC49")` |  Crystal HC49 HC49 |
 |   1 | `rd_xtal(HC49_4H, "HC49_4H")` |  Crystal HC49_4H HC49_4H |
+|   1 | `rd_electrolytic(ECAP8x12, "220uF35V")` |  Electolytic capacitor ECAP8x12 220uF35V |
+|   1 | `rd_module(LDE10_20B, "12V 900ma")` |  PSU LDE10_20B / 12V 900ma |
 |   1 | `rd_module(VCE03, "12V 250ma")` |  PSU VCE03 / 12V 250ma |
-|   1 | `pcb(PERF70x50)` |  Perfboard 70 x 50mm |
+|   2 | `pcb(PERF70x50)` |  Perfboard 70 x 50mm |
 |   1 | `rd_module(HF33F, "012-HSL3F")` |  Relay HF33F / 012-HSL3F |
 |   1 | `rd_transistor(E_LINE, "ZTX853")` |  Transistor E_LINE ZTX853 |
 |   1 | `rd_transistor(TO92, "BC337")` |  Transistor TO92 BC337 |
@@ -3622,6 +3786,7 @@ For an explanation of `screw_polysink()` see <https://hydraraptor.blogspot.com/2
 ### Functions
 | Function | Description |
 |:--- |:--- |
+| `screw_angle(type, length, nut_distance)` | How much to rotate the screw to align it with a nut at the specified `distance` from the head |
 | `screw_boss_diameter(type)` | Boss big enough for nut trap and washer |
 | `screw_head_depth(type, d = 0)` | How far a counter sink head will go into a straight hole diameter d |
 | `screw_insert(screw, short = false, i = 0)` | Find insert to fit specified screw, defaults to longest but can specify the shortest |
@@ -3630,6 +3795,7 @@ For an explanation of `screw_polysink()` see <https://hydraraptor.blogspot.com/2
 | `screw_nut_radius(type)` | Radius of matching nut |
 | `screw_polysink_r(type, z)` | Countersink hole profile corrected for rounded staircase extrusions. |
 | `screw_shorter_than(x)` | Returns the length of the longest screw shorter than or equal to x |
+| `screw_thread_radius(type)` | Thread radius |
 
 ### Modules
 | Module | Description |
@@ -3639,6 +3805,7 @@ For an explanation of `screw_polysink()` see <https://hydraraptor.blogspot.com/2
 | `screw_countersink(type, drilled = true)` | Countersink shape |
 | `screw_keyhole(type, h = 0)` | Make keyhole slot to accept and retain screw head |
 | `screw_polysink(type, h = 100, alt = false, sink = 0)` | A countersink hole made from stacked polyholes for printed parts, default is flush, `sink` can be used to recess the head |
+| `screw_tearsink(type)` | Countersink shape for horizontal holes |
 
 ![screws](tests/png/screws.png)
 
@@ -3872,11 +4039,14 @@ When woven sheets (e.g. carbon fibre) are rendered it is necessary to specify th
 |   1 | `sheet(Spring08, 30, 30, 2)` |  Bi-metal saw blade 30mm x 30mm x 0.8mm |
 |   1 | `sheet(Cardboard, 30, 30, 2)` |  Corrugated cardboard 30mm x 30mm x 5mm |
 |   1 | `sheet(Foam20, 30, 30, 2)` |  Foam sponge 30mm x 30mm x 20mm |
+|   1 | `sheet(Sellotape, 30, 30, 2)` |  Sellotape tape 30mm x 30mm x 0.05mm |
 |   1 | `sheet(DiBond, 30, 30, 2)` |  Sheet DiBond 30mm x 30mm x 3mm |
 |   1 | `sheet(DiBond6, 30, 30, 2)` |  Sheet DiBond 30mm x 30mm x 6mm |
 |   1 | `sheet(MDF10, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 10mm |
 |   1 | `sheet(MDF12, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 12mm |
 |   1 | `sheet(MDF19, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 19mm |
+|   1 | `sheet(MDF22, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 22mm |
+|   1 | `sheet(MDF3, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 3mm |
 |   1 | `sheet(MDF6, 30, 30, 2)` |  Sheet MDF 30mm x 30mm x 6mm |
 |   1 | `sheet(PMMA1p25, 30, 30, 2)` |  Sheet acrylic 30mm x 30mm x 1.25mm |
 |   1 | `sheet(PMMA10, 30, 30, 2)` |  Sheet acrylic 30mm x 30mm x 10mm |
@@ -4059,6 +4229,7 @@ E.g. 475A is 4.7uF 10V on the parts list.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   1 | `smd_inductor(CDRH104)` |  CDRH104 package 10R |
 |   1 | `smd_diode(DO214AC)` |  DO214AC package SS34 |
 |   1 | `smd_inductor(IND2525)` |  IND2525 package 4R7 |
 |   1 | `smd_led(LED0603, green)` |  SMD LED 0603 green |
@@ -4072,6 +4243,7 @@ E.g. 475A is 4.7uF 10V on the parts list.
 |   1 | `smd_capacitor(CAP0603)` |  SMD capacitor 0603 |
 |   1 | `smd_capacitor(CAP0805)` |  SMD capacitor 0805 |
 |   1 | `smd_capacitor(CAP1206)` |  SMD capacitor 1206 |
+|   1 | `smd_capacitor(CAP1210)` |  SMD capacitor 1210 |
 |   1 | `smd_qfp(QFP50P1200X1200X160_64N)` |  SMD chip: ATSAM4S4BA, package : QFP50P1200X1200X160_64N |
 |   1 | `smd_resistor(L2012C, 10u)` |  SMD choke 0805 10u |
 |   1 | `smd_coax(U_FL_R_SMT_1)` |  SMD coax connector type: U_FL_R_SMT_1 |
@@ -4086,7 +4258,9 @@ E.g. 475A is 4.7uF 10V on the parts list.
 |   1 | `smd_soic(SOIC8)` |  SOIC8 package SOIC8 |
 |   1 | `smd_sot(SOT223)` |  SOT223 package FZT851 |
 |   1 | `smd_sot(SOT23)` |  SOT23 package 2N7000 |
+|   1 | `smd_soic(SOT23_6)` |  SOT23_6 package SOT23_6 |
 |   1 | `smd_pot(TC33X1)` |  TC33X1 package 10K |
+|   1 | `smd_soic(TSOT23_8)` |  TSOT23_8 package TSOT23_8 |
 
 
 <a href="#top">Top</a>
@@ -4518,6 +4692,80 @@ Iron core transformers. The grey shaded area is the keep out region where the te
 |   1 | `transformer(SMALLTX)` |  Transformer Small mains |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="ttracks"></a>
+## Ttracks
+T-Tracks used in woodworking jigs
+
+[vitamins/ttracks.scad](vitamins/ttracks.scad) Object definitions.
+
+[vitamins/ttrack.scad](vitamins/ttrack.scad) Implementation.
+
+[tests/ttracks.scad](tests/ttracks.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `t_insert_description(type)` | Description of this t-track insert |
+| `t_insert_height(type)` | Height of t-track insert |
+| `t_insert_thread(type)` | M thread for this the screw hole in this insert |
+| `t_insert_top_thickness(type)` | Top thickness for t-track insert |
+| `t_insert_top_width(type)` | Top Width of t-track insert |
+| `t_insert_width(type)` | Width of t-track insert |
+| `tbolt_description(type)` | Description of this t-track bolt |
+| `tbolt_head_length(type)` | Head length for t-track bolt |
+| `tbolt_head_thickness(type)` | Head thickness for t-track bolt |
+| `tbolt_head_width(type)` | Head width for t-track bolt |
+| `tbolt_thread(type)` | M thread for this bolt |
+| `ttrack_fixture(type)` | Fixture, such as T-bolt or Miter insert used with this track |
+| `ttrack_height(type)` | Height of track section |
+| `ttrack_opening(type)` | Width of the opening |
+| `ttrack_screw(type)` | Screw used to fasten track |
+| `ttrack_screw_pitch(type)` | Distance between screws |
+| `ttrack_slot_height(type)` | Height of the slot |
+| `ttrack_slot_width(type)` | Width of the slot |
+| `ttrack_top_thickness(type)` | Thickness of the top layer |
+| `ttrack_width(type)` | Width of track section |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `ttrack_holes(type, length)` | Number of holes in a rail given its `length` |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `ttrack(type, length, colour = "LightSlateGray")` | Draw the specified rail |
+| `ttrack_hole_positions(type, length)` | Position children over screw holes |
+| `ttrack_place_bolt(type, pos, bolt = undef)` | Place a T-Bolt relative to the centre of the track |
+| `ttrack_place_insert(type, pos, insert = undef)` | Place a T-Insert relative to the centre of the track |
+
+![ttracks](tests/png/ttracks.png)
+
+### Vitamins
+| Qty | Module call | BOM entry |
+| ---:|:--- |:---|
+|   3 | `screw(M3_cs_cap_screw, 15)` |  Screw M3 cs cap x 15mm |
+|   3 | `screw(M4_cs_cap_screw, 15)` |  Screw M4 cs cap x 15mm |
+|   2 | `screw(M6_hex_screw, 15)` |  Screw M6 hex x 15mm |
+|   1 | `ttrack(ttrack_mitre_30mm, 120)` |  T-Track ttrack_mitre_30mm x 120mm |
+|   1 | `ttrack(ttrack_mitre_30mm, 200)` |  T-Track ttrack_mitre_30mm x 200mm |
+|   1 | `ttrack(ttrack_mitre_36mm, 120)` |  T-Track ttrack_mitre_36mm x 120mm |
+|   1 | `ttrack(ttrack_universal_19mm, 120)` |  T-Track ttrack_universal_19mm x 120mm |
+|   1 | `ttrack(ttrack_universal_19mm, 200)` |  T-Track ttrack_universal_19mm x 200mm |
+|   1 | `ttrack(ttrack_universal_19mm_A, 120, colour="red")` |  T-Track ttrack_universal_19mm_A x 120mm |
+|   1 | `ttrack(ttrack_universal_19mm_B, 120, colour="blue")` |  T-Track ttrack_universal_19mm_B x 120mm |
+|   1 | `T-Track Bolt M6` | M6 x 30mm |
+|   1 | `T-Track Bolt M6 with small head` | M6 x 30mm |
+|   3 | `T-Track Bolt M8` | M8 x 30mm |
+|   1 | `ttrack_insert(TTrack_insert_Miter30_M6, 30, 1)` | T-Track insert, Miter track 30mm, M6 thread, M30mm, with 1 M6 |
+|   1 | `ttrack_insert(TTrack_insert_Miter30_M6, 30, 1, colour="red")` | T-Track insert, Miter track 30mm, M6 thread, M30mm, with 1 M6 |
+|   1 | `ttrack_insert(TTrack_insert_Miter30_M6, 60, 2, colour="red")` | T-Track insert, Miter track 30mm, M6 thread, M60mm, with 2 M6 |
+|   1 | `ttrack_insert(TTrack_insert_Miter30_M8, 30, 1, colour="red")` | T-Track insert, Miter track 30mm, M8 thread, M30mm, with 1 M8 |
+
+
 <a href="#top">Top</a>
 
 ---
@@ -4650,12 +4898,13 @@ Veroboard with mounting holes, track breaks, removed tracks, solder points and c
 | `vero_no_track(type)` | Missing tracks |
 | `vero_pitch(type)` | Hole pitch |
 | `vero_screw(type)` | Mounting screw type |
+| `vero_solid_tracks(type)` | List of solid copper tracks (at the edges of some boards) |
 | `vero_strips(type)` | Number of strips |
 
 ### Functions
 | Function | Description |
 |:--- |:--- |
-| `vero(name, assembly, holes, strips, pitch = 2.54, fr4 = false, screw = M3_cap_screw, mounting_holes = [], breaks = [], no_tracks = [], components = [], joints = [])` | Constructor |
+| `vero(name, assembly, holes, strips, pitch = 2.54, fr4 = false, screw = M3_cap_screw, mounting_holes = [], breaks = [], no_tracks = [], components = [], joints = [], solid = [])` | Constructor |
 | `vero_grid_pos(type, x, y)` | Convert grid position to offset from the centre |
 | `vero_length(type)` | Length of the board |
 | `vero_size(type)` | Board size |
@@ -4673,6 +4922,7 @@ Veroboard with mounting holes, track breaks, removed tracks, solder points and c
 | `vero_mounting_holes(type, h = 100)` | Drill mounting holes in a panel |
 | `veroboard(type)` | Draw specified veroboard with missing tracks and track breaks |
 | `veroboard_assembly(type, ngb = false)` | Draw the assembly with components |
+| `veroboard_base(type, height, thickness, wall = 2, tapped = false)` | Generate STL for a base with PCB spacers |
 | `veroboard_fastened_assembly(type, height, thickness, flip = false, ngb = false)` | Draw the assembly with components and fasteners in place |
 | `veroboard_fasteners(type, height, thickness, flip = false)` | Draw the fasteners in place |
 
@@ -4767,7 +5017,7 @@ If a washer is given a child, usually a screw or a nut, then it is placed on its
 |   1 | `spring_washer(M3p5_washer)` |  Washer spring M3.5 x 1mm |
 |   1 | `spring_washer(M4_washer)` |  Washer spring M4 x 1.2mm |
 |   1 | `spring_washer(M5_washer)` |  Washer spring M5 x 1.6mm |
-|   1 | `spring_washer(M6_washer)` |  Washer spring M6 x 1.6mm |
+|   1 | `spring_washer(M6_washer)` |  Washer spring M6 x 1.9mm |
 |   1 | `spring_washer(M8_washer)` |  Washer spring M8 x 2mm |
 |   1 | `star_washer(M2_washer)` |  Washer star M2 x 0.3mm |
 |   1 | `star_washer(M2p5_washer)` |  Washer star M2.5 x 0.5mm |
@@ -4811,6 +5061,7 @@ Utilities for adding wires to the BOM and optionally drawing them and cable bund
 | `cable_bundle_positions(cable)` | Positions of wires in a bundle to go through a cable strip |
 | `cable_height(cable)` | Height in flat clip |
 | `cable_is_ribbon(cable)` | Is a ribbon cable? |
+| `cable_merge(cable1, cable2)` | Combine the wires of two cables |
 | `cable_radius(cable)` | Radius of a bundle of wires, see <http://mathworld.wolfram.com/CirclePacking.html>. |
 | `cable_tlen(cable)` | Twisted cable twist length |
 | `cable_twisted_radius(cable)` | Approximate radius of a cable when twisted |
@@ -4942,7 +5193,7 @@ The top bezel can have an optional child, which is subtracted to allow modificat
 | `box_back(type)` | Default back, can be overridden to customise |
 | `box_back_blank(type, sheet = false)` | Generates a 2D template for the back sheet, `sheet` can be set to override the type |
 | `box_base(type)` | Default base, can be overridden to customise |
-| `box_base_blank(type)` | Generates a 2D template for the base sheet |
+| `box_base_blank(type, sheet = false)` | Generates a 2D template for the base sheet, `sheet` can be set to override the type |
 | `box_bezel(type, bottom)` | Generates top and bottom bezel STLs |
 | `box_bezel_section(type, bottom, rows, cols, x, y)` | Generates interlocking sections of the bezel to allow it to be bigger than the printer |
 | `box_corner_profile(type)` | Generates the corner profile STL for 3D printing. |
@@ -4956,7 +5207,7 @@ The top bezel can have an optional child, which is subtracted to allow modificat
 | `box_right(type)` | Default right side, can be overridden to customise |
 | `box_right_blank(type, sheet = false)` | Generates a 2D template for the right sheet, `sheet` can be set to override the type |
 | `box_shelf_blank(type, sheet = false, wall = undef)` | Generates a 2D template for a shelf sheet |
-| `box_shelf_bracket(type, screw_positions, wall = undef)` | Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts |
+| `box_shelf_bracket(type, screw_positions, wall = undef)` | Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts, third child is 3D additions. |
 | `box_shelf_bracket_section(type, rows, cols, x, y)` | Generates sections of the shelf bracket to allow it to be bigger than the printer |
 | `box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = undef, top_screws = true)` | Place children at the shelf screw positions |
 | `box_top(type)` | Default top, can be overridden to customise |
@@ -5114,7 +5365,7 @@ fixing_blocks along the sides.
 ---
 <a name="cable_clip"></a>
 ## Cable_clip
-Cable clips to order. Can be for one or two cables of different sizes.
+Cable clips to order. Can be for one or two cables of different sizes. Can use an insert and a screw from below or a screw and nut either way up.
 
 [printed/cable_clip.scad](printed/cable_clip.scad) Implementation.
 
@@ -5123,35 +5374,41 @@ Cable clips to order. Can be for one or two cables of different sizes.
 ### Functions
 | Function | Description |
 |:--- |:--- |
-| `cable_clip_extent(screw, cable)` | How far it extends from the screw. |
-| `cable_clip_height(cable)` | Height given the `cable`. |
-| `cable_clip_offset(screw, cable)` | The offset of the cable from the screw |
-| `cable_clip_width(screw)` | Width given the `screw`. |
+| `cable_clip_extent(screw, cable, insert = false)` | How far it extends from the screw. |
+| `cable_clip_height(cable, screw = false, insert = false)` | Height given the `cable`. |
+| `cable_clip_insert(screw, insert = true)` | Insert type for clip, given screw. |
+| `cable_clip_offset(screw, cable, insert = false)` | The offset of the cable from the screw. |
+| `cable_clip_width(screw, insert = false)` | Width given the `screw` and possibly insert. |
 
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `cable_clip(screw, cable1, cable2 = 0)` | Create the STL for a single cable or two cable clip |
-| `cable_clip_assembly(screw, thickness, cable1, cable2 = 0)` | Cable clip with the fasteners |
+| `cable_clip(screw, cable1, cable2 = 0, insert = false)` | Create the STL for a single cable or two cable clip |
+| `cable_clip_assembly(screw, thickness, cable1, cable2 = 0, flip = false, insert = false)` | Cable clip with the fasteners |
 
 ![cable_clip](tests/png/cable_clip.png)
 
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   2 | `insert(CNCKM3)` |  Heatfit insert M3 x 3mm |
 |   5 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
-|   2 | `screw(M3_dome_screw, 12)` |  Screw M3 dome x 12mm |
-|   3 | `screw(M3_dome_screw, 16)` |  Screw M3 dome x 16mm |
-|  10 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|   2 | `screw(M3_dome_screw, 10)` |  Screw M3 dome x 10mm |
+|   1 | `screw(M3_dome_screw, 12)` |  Screw M3 dome x 12mm |
+|   4 | `screw(M3_dome_screw, 16)` |  Screw M3 dome x 16mm |
+|  12 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|   2 | `star_washer(M3_washer)` |  Washer star M3 x 0.5mm |
 
 ### Printed
 | Qty | Filename |
 | ---:|:--- |
-|   1 | cable_clip_30_10_13.stl |
+|   1 | cable_clip_30I_10_13.stl |
+|   1 | cable_clip_30I_5_14_6_14.stl |
 |   1 | cable_clip_30_1_14_2_14.stl |
 |   1 | cable_clip_30_1_60.stl |
 |   1 | cable_clip_30_3_14_4_14.stl |
-|   1 | cable_clip_30_5_14_6_14.stl |
+|   1 | cable_clip_30_7_14_8_14.stl |
+|   1 | cable_clip_30_9_14.stl |
 
 
 <a href="#top">Top</a>
@@ -6482,26 +6739,29 @@ UK 13A socket and printed backbox with earth terminal for the panel it is mounte
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   4 | `insert(F1BM3)` |  Heatfit insert M3 x 5.8mm |
+|   6 | `insert(F1BM3)` |  Heatfit insert M3 x 5.8mm |
 |   1 | `mains_socket(Contactum)` |  Mains socket 13A |
+|   1 | `mains_socket(PMS9143A)` |  Mains socket 13A |
 |   1 | `mains_socket(MKLOGIC)` |  Mains socket 13A, switched |
-|   2 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
-|   2 | `ring_terminal(M3_ringterm)` |  Ring terminal 3mm |
-|   4 | `screw(M3_cs_cap_screw, 20)` |  Screw M3 cs cap x 20mm |
-|   2 | `screw(M3_dome_screw, 10)` |  Screw M3 dome x 10mm |
-|   4 | `star_washer(M3_washer)` |  Washer star M3 x 0.5mm |
+|   3 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|   3 | `ring_terminal(M3_ringterm)` |  Ring terminal 3mm |
+|   6 | `screw(M3_cs_cap_screw, 20)` |  Screw M3 cs cap x 20mm |
+|   3 | `screw(M3_dome_screw, 10)` |  Screw M3 dome x 10mm |
+|   6 | `star_washer(M3_washer)` |  Washer star M3 x 0.5mm |
 
 ### Printed
 | Qty | Filename |
 | ---:|:--- |
 |   1 | socket_box_Contactum.stl |
 |   1 | socket_box_MKLOGIC.stl |
+|   1 | socket_box_PMS9143A.stl |
 
 ### Assemblies
 | Qty | Name |
 | ---:|:--- |
 |   1 | socket_box_Contactum_assembly |
 |   1 | socket_box_MKLOGIC_assembly |
+|   1 | socket_box_PMS9143A_assembly |
 
 
 <a href="#top">Top</a>
@@ -7019,7 +7279,7 @@ Utilities for making PCBs and components
 |:--- |:--- |
 | `cylindrical_wrap(r, h = eps)` | Wrap a 2D child extruded to height `h` around a cylinder with radius `r`. |
 | `solder(ir = 0.3)` | Maybe add solder meniscus if $solder is set |
-| `solder_meniscus(ir = 0.3, r)` | Draw a solder meniscus |
+| `solder_meniscus(ir = 0.3, r = 1, h = 0.7)` | Draw a solder meniscus |
 
 ![pcb_utils](tests/png/pcb_utils.png)
 
@@ -7191,6 +7451,7 @@ Each vertex, apart from the first and the last, has an associated radius and the
 | `cap(facets, segment = 0, end)` | Create the mesh for an end cap |
 | `circle_points(r = 1, z = 0, dir = -1)` | Generate the points of a circle, setting z makes a single turn spiral |
 | `helical_twist_per_segment(r, pitch, sides)` | Calculate the twist around Z that rotate_from_to() introduces |
+| `offset_paths(path, offsets, twists = 0)` | Create new paths offset from the original, optionally spiralling around it |
 | `rectangle_points(w, h)` | Generate the points of a rectangle |
 | `rounded_path(path)` | Convert a rounded_path, consisting of a start coordinate, vertex / radius pairs and then an end coordinate, to a path of points for sweep. |
 | `rounded_path_vertices(path)` | Show the unrounded version of a rounded_path for debug |
@@ -7202,7 +7463,7 @@ Each vertex, apart from the first and the last, has an associated radius and the
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `show_path(path)` | Show a path using a chain of hulls for debugging, duplicate points are highlighted. |
+| `show_path(path, r = 0.1)` | Show a path using a chain of hulls for debugging, duplicate points are highlighted. |
 | `sweep(path, profile, loop = false, twist = 0, convexity = 1)` | Draw a polyhedron that is the swept volume |
 
 ![sweep](tests/png/sweep.png)
@@ -7293,7 +7554,7 @@ This is to prevent the global BOM page becoming too wide in large projects by ha
 The example below shows how to define a vitamin and incorporate it into an assembly with sub-assemblies and make an exploded view.
 The resulting flat BOM is shown but hierarchical BOMs are also generated for real projects.
 
-If the code to make an STL or DXF is made a child of the `stl()` or `dxf()` module then the STL or DXF will be used in the assembly views generated by `views.py` instead of generating
+If the code to make an STL, DXF or SVG is made a child of the `stl()`, `dxf()` or `svg()` module then the STL, DXF or SVG will be used in the assembly views generated by `views.py` instead of generating
 it with code.
 This can speed up the generation of the build instructions greatly but isn't compatible with STLs that include support structures.
 
@@ -7332,8 +7593,10 @@ The `pose()` module allows assembly views in the readme to be posed differently
 | `pose_vflip(exploded = undef)` | Pose an STL or assembly for rendering to png by flipping around the X axis, `exploded = true for` just the exploded view or `false` for unexploded only. |
 | `stl(name)` | Name an stl that will appear on the BOM, there needs to a module named `<name>_stl` to make it |
 | `stl_colour(colour = pp1_colour, alpha = 1)` | Colour an stl where it is placed in an assembly. `alpha` can be used to make it appear transparent. |
+| `svg(name)` | Name an svg that will appear on the BOM, there needs to a module named `<name>_svg` to make it |
 | `use_dxf(name)` | Import a DXF to make a build panel |
 | `use_stl(name)` | Import an STL to make a build platter |
+| `use_svg(name)` | Import an SVG to make a build panel |
 | `vitamin(description)` | Describe a vitamin for the BOM entry and precede it with a module call that creates it, eg. "widget(42): Widget size 42" |
 
 ![bom](tests/png/bom.png)
@@ -7344,6 +7607,8 @@ The `pose()` module allows assembly views in the readme to be posed differently
 |   1 | `insert(F1BM3)` |  Heatfit insert M3 x 5.8mm |
 |   1 | `widget(3)` |  Rivet like thing for 3mm sheets |
 |   1 | `screw(M3_cap_screw, 8)` |  Screw M3 cap x  8mm |
+|   4 | `screw(M3_cap_screw, 10)` |  Screw M3 cap x 10mm |
+|   1 | `sheet(MDF6, 40, 40)` |  Sheet MDF 40mm x 40mm x 6mm |
 |   1 | `sheet(PMMA3, 20, 20, 1)` |  Sheet acrylic 20mm x 20mm x 3mm |
 |   1 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 |   1 | `star_washer(M3_washer)` |  Washer star M3 x 0.5mm |
@@ -7356,6 +7621,7 @@ The `pose()` module allows assembly views in the readme to be posed differently
 ### Routed
 | Qty | Filename |
 | ---:|:--- |
+|   1 | mdf.svg |
 |   1 | widget.dxf |
 
 ### Assemblies
@@ -7383,7 +7649,7 @@ Original version by Doug Moen on the OpenSCAD forum
 | Module | Description |
 |:--- |:--- |
 | `box(xmin, ymin, zmin, xmax, ymax, zmax)` | Construct a box given its bounds |
-| `clip(xmin = -inf, ymin = -inf, zmin = -inf, xmax = inf, ymax = inf, zmax = inf, convexity = 1)` | Clip child to specified boundaries |
+| `clip(xmin = -big, ymin = -big, zmin = -big, xmax = big, ymax = big, zmax = big, convexity = 1)` | Clip child to specified boundaries |
 
 ![clip](tests/png/clip.png)
 
@@ -7429,6 +7695,7 @@ See [global_defs.scad](../../global_defs.scad) for a list of global constants.
 | `extrude_if(h, center = true)` | Extrudes 2D object to 3D when `h` is nonzero, otherwise leaves it 2D |
 | `hflip(flip=true)` | Invert children by doing a 180&deg; flip around the Y axis |
 | `render_if(render = true, convexity = 2)` | Renders an object if `render` is true, otherwise leaves it unrendered |
+| `render_manifold()` | Render if manifold to work around convexity bug in manifold |
 | `right_triangle(width, height, h, center = true)` | A right angled triangle with the 90&deg; corner at the origin. 3D when `h` is nonzero, otherwise 2D |
 | `semi_circle(r, d = undef)` | A semi circle in the positive Y domain |
 | `translate_z(z)` | Shortcut for Z only translations |
@@ -7477,7 +7744,7 @@ leaving a scar on either surface.
 | `poly_drill(r, h = 100, center = true)` | Make a cylinder for drilling holes suitable for CNC routing if cnc_bit_r is non zero, otherwise a poly_cylinder. |
 | `poly_ring(or, ir, sides = undef)` | Make a 2D ring adjusted to have the correct internal radius |
 | `poly_tube(or, ir, h, center = false)` | Make a tube adjusted to have the correct internal radius |
-| `slot(r, l, h = 100)` | Make a horizontal slot suitable for CNC routing, set h = 0 for 2D version |
+| `slot(r, l, h = 100, center = false)` | Make a horizontal slot suitable for CNC routing, set h = 0 for 2D version |
 
 ![polyholes](tests/png/polyholes.png)
 

scripts/bom.py

@@ -104,14 +104,14 @@ class BOM:
 
     def add_part(self, s):
         args = []
-        match = re.match(r'^(.*?\.stl|.*?\.dxf)\((.*)\)$', s)                             #look for name.stl(...) or name.dxf(...)
+        match = re.match(r'^(.*?\.stl|.*?\.dxf|.*?\.svg)\((.*)\)$', s)                             #look for name.stl(...), name.dxf(...) or name.svg(...)
         if match:
             s = match.group(1)
             args = [match.group(2)]
         if s[-4:] == ".stl":
             parts = self.printed
         else:
-            if s[-4:] == ".dxf":
+            if s[-4:] == ".dxf" or s[-4:] == ".svg":
                 parts = self.routed
             else:
                 parts = self.vitamins

scripts/changelog.py

@@ -169,6 +169,9 @@ if __name__ == '__main__':
 
             # Print commits excluding merges
 
-            if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U.?.ated ch.*log.*', c.comment):
+            if not c.comment.startswith('Merge branch') \
+               and not c.comment.startswith('Merge pull') \
+               and not re.match(r'U.?.ated ch.*log.*', c.comment) \
+               and not re.match(r'Changelog updated.*', c.comment):
                 print('* %s [`%s`](%s "show commit") %s %s\n' % (c.date, c.hash[:7], url + '/commit/' + c.hash, initials(c.author), fixup_comment(c.comment, url)), file = file)
     do_cmd(('codespell -w -L od ' + filename).split())

scripts/deps.py

@@ -35,7 +35,7 @@ def read_deps(dname):
     for line in lines:
         if line.startswith('\t'):
             dep = line[1 : -1].rstrip(' \\').replace('\\ ', ' ')
-            if not os.path.basename(dep) in ['stl.scad', 'dxf.scad', 'svf.scad', 'png.scad', 'target.scad']:
+            if not os.path.basename(dep) in ['stl.scad', 'dxf.scad', 'svg.scad', 'png.scad', 'target.scad']:
                 deps.append(dep)
     return deps
 
@@ -63,5 +63,5 @@ def source_dirs(bom_dir):
         else:
             if dir.endswith('/printed'):
                 lib_dirs.add(dir)
-    dirs.remove(source_dir)
+    dirs.discard(source_dir)
     return [source_dir] + sorted(dirs) + sorted(lib_dirs)

scripts/exports.py

@@ -39,7 +39,7 @@ def bom_to_parts(bom_dir, part_type, assembly = None):
     #
     part_files = []
     bom = assembly + '.txt' if assembly else "bom.txt"
-    suffix = ".dxf" if part_type == 'svg' else '.' + part_type
+    suffix = '.' + part_type
     with open(bom_dir + '/' + bom, "rt") as f:
         for line in f.readlines():
             words = line.split()
@@ -106,7 +106,7 @@ def make_parts(target, part_type, parts = None):
     #
     # Find all the scad files
     #
-    module_suffix = '_dxf' if part_type == 'svg' else '_' + part_type
+    module_suffix = '_' + part_type
     for dir in source_dirs(bom_dir):
         if targets and os.path.isdir(dir):
             for filename in os.listdir(dir):
@@ -141,7 +141,7 @@ def make_parts(target, part_type, parts = None):
                                             with open(part_maker_name, "w") as f:
                                                 f.write("include <NopSCADlib/global_defs.scad>\n")
                                                 f.write("use <%s/%s>\n" % (reltmp(dir, target), filename))
-                                                f.write("%s();\n" % module);
+                                                f.write("%s();\n" % module)
                                             t = time.time()
                                             openscad.run("-o", part_file, part_maker_name, "-D$bom=1", "-d", dname)
                                             times.add_time(part, t)

scripts/make_all.py

@@ -39,7 +39,7 @@ if __name__ == '__main__':
     target = None if len(sys.argv) == 1 else sys.argv[1]
     set_config(target, usage)
     boms(target)
-    for part in ['stl', 'dxf']:
+    for part in ['stl', 'dxf', 'svg']:
         make_parts(target, part)
         render(target, part)
         plateup(target, part)

scripts/openscad.py

@@ -26,6 +26,8 @@ import subprocess, sys
 
 def run_list(args, silent = False, verbose = False):
     cmd = ["openscad"] + args + ["--hardwarnings"]
+    if "-D$manifold=true" in args:
+        cmd += ["--enable"] + ["manifold"]
     if not silent:
         for arg in cmd:
             print(arg, end=" ")

scripts/options.py

@@ -24,7 +24,12 @@ from colorama import Fore, init
 
 def check_options(dir = '.'):
     global options, options_mtime
-    options = { "show_threads": str(os.getenv("NOPSCADLIB_SHOW_THREADS")) }
+    options = {
+        "show_threads": str(os.getenv("NOPSCADLIB_SHOW_THREADS")),
+        "vitamin_fa"  : str(os.getenv("NOPSCADLIB_VITAMIN_FA")),
+        "vitamin_fs"  : str(os.getenv("NOPSCADLIB_VITAMIN_FS")),
+        "manifold"    : str(os.getenv("NOPSCADLIB_MANIFOLD"))
+    }
     options_fname = dir + '/options.json'
     try:
         with open(options_fname) as json_file:

scripts/plateup.py

@@ -31,8 +31,8 @@ import re
 import time
 import times
 
-source_dirs = { "stl" : "platters", "dxf" : "panels" }
-target_dirs = { "stl" : "printed",  "dxf" : "routed" }
+source_dirs = { "stl" : "platters", "dxf" : "panels", "svg" : "panels" }
+target_dirs = { "stl" : "printed",  "dxf" : "routed", "svg" : "routed" }
 
 def plateup(target, part_type, usage = None):
     #

scripts/render.py

@@ -33,7 +33,7 @@ import json
 from tmpdir import *
 
 def usage():
-    print("\nusage:\n\trender [target_config] - Render images of the stl and dxf files.");
+    print("\nusage:\n\trender [target_config] - Render images of the stl, dxf and svg files.");
     sys.exit(1)
 
 def render(target, type):
@@ -57,7 +57,7 @@ def render(target, type):
     with open(bom_file) as json_file:
         flat_bom = json.load(json_file)
 
-    things = { 'stl' : 'printed', 'dxf' : 'routed' }[type]
+    things = { 'stl' : 'printed', 'dxf' : 'routed', 'svg' : 'routed' }[type]
     colours = {}
     for ass in flat_bom:
         for part in ass[things]:
@@ -112,3 +112,4 @@ if __name__ == '__main__':
     target =  sys.argv[1] if len(sys.argv) > 1 else None
     render(target, 'stl')
     render(target, 'dxf')
+    render(target, 'svg')

scripts/views.py

@@ -374,7 +374,12 @@ def views(target, do_assemblies = None):
                         print('\n|%s' % ('---|' * n), file =  doc_file)
                         for j in range(n):
                             part = keys[i - n + j + 1]
-                            print('| ![%s](dxfs/%s) %s' % (part, part.replace('.dxf','.png'), '|\n' if j == j - 1 else ''), end = '', file = doc_file)
+                            if (part[-4:] == ".dxf"):
+                                print('| ![%s](dxfs/%s) %s' % (part, part.replace('.dxf','.png'), '|\n' if j == j - 1 else ''), end = '', file = doc_file)
+                            elif (part[-4:] == ".svg"):
+                                print('| ![%s](svgs/%s) %s' % (part, part.replace('.svg','.png'), '|\n' if j == j - 1 else ''), end = '', file = doc_file)
+                            else:
+                                print("Unkown file type ", part[-4:], " for file ", part)
                         print('\n', file = doc_file)
                 print('\n', file  = doc_file)
 

tests/BOM.scad

@@ -25,11 +25,11 @@ include <../core.scad>
 include <../vitamins/sheets.scad>
 use <../vitamins/insert.scad>
 
-screw = M3_cap_screw;
+screwM3 = M3_cap_screw;
 sheet = PMMA3;
 height = 10;
 
-insert = screw_insert(screw);
+insert = screw_insert(screwM3);
 
 module widget(thickness) {
     vitamin(str("widget(", thickness, "): Rivet like thing for ", thickness, "mm sheets"));
@@ -46,7 +46,13 @@ module widget(thickness) {
 module widget_stl() {
     stl("widget")
         union() {
-            rounded_rectangle([30, 30, 3], 2, true);
+            difference() {
+                rounded_rectangle([30, 30, 3], 2, true);
+                for(x = [-10,10])
+                    for (y=[-10,10])
+                        translate([x,y,-1.5])
+                            cylinder(r=2, h=3.5);
+            }
 
             render() insert_boss(insert, height, 2.2);
         }
@@ -57,7 +63,18 @@ module widget_dxf() {
         difference() {
             sheet_2D(sheet, 20, 20, 1);
 
-            drill(screw_clearance_radius(screw), 0);
+            drill(screw_clearance_radius(screwM3), 0);
+        }
+}
+
+module mdf_svg() {
+    svg("mdf")
+        difference() {
+            sheet_2D(MDF6, 40,40);
+            for(x = [-10,10])
+                for (y=[-10,10])
+                    translate([x,y,0])
+                        drill(screw_clearance_radius(screwM3), 0);
         }
 }
 
@@ -85,11 +102,23 @@ assembly("widget_top") {
 module widget_assembly()
 assembly("widget") {
 
-    widget_base_assembly();                 // Note this is not exploded because it is sub-assembly
+    translate_z(-6) {
+        render_2D_sheet(MDF6)
+            mdf_svg();
+            
+        explode(0)
+            for(x = [-10,10])
+                for (y=[-10,10])
+                    translate([x,y,-10])
+                        screw(screwM3, 10);
+    }
+
+    explode(3)
+        widget_base_assembly();                 // Note this is not exploded because it is sub-assembly
 
     translate_z(height) {
         translate_z(sheet_thickness(sheet))
-            screw_and_washer(screw, screw_length(screw, sheet_thickness(sheet) + 3, 2, longer = true), true);
+            screw_and_washer(screwM3, screw_length(screwM3, sheet_thickness(sheet) + 3, 2, longer = true), true);
 
         explode(5)
             translate_z(sheet_thickness(sheet) / 2 + eps)

tests/PCB_utils.scad

@@ -33,7 +33,7 @@ module pcb_utils() {
 
     color("silver")
         vflip()
-            cylinder(d = 0.6, h = 3, $fn = 16);
+            cylinder(d = 0.6, h = 3, $fs = fs, $fa = fa);
 
     color("white")
         translate_z(h / 2)

tests/PCBs.scad

@@ -50,4 +50,5 @@ module pcbs() {
             pcb(p);
 }
 if($preview)
-    pcbs();
+    let($show_threads = false)
+        pcbs();

tests/SMDs.scad

@@ -67,7 +67,7 @@ module smds() {
     translate([0, 39])
         layout([for(i = smd_inductors) smd_inductor_leads(i).x], 1)
             let(i = smd_inductors[$i])
-                smd_inductor(i, "4R7");
+                smd_inductor(i, ["4R7", "10R"][$i % 2]);
 
     translate([20, 6])
          layout([for(q = smd_qfps) smd_qfp_body_size(q).x], 3)

tests/antennas.scad

@@ -0,0 +1,31 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+use <../utils/layout.scad>
+
+include <../vitamins/antennas.scad>
+
+module antennas()
+    layout([for(a = antennas) cos(10) * antenna_length(a) ], 5, true) {
+        antenna(antennas[$i], 3, 10);
+
+    }
+
+if($preview)
+    antennas();

tests/ball_bearings.scad

@@ -22,20 +22,24 @@ use <../utils/layout.scad>
 include <../vitamins/ball_bearings.scad>
 
 
-module do_bearings(list)
-    layout([for(b = list) bb_diameter(b)])
-        ball_bearing(list[$i])
-            if (bb_width(list[$i]) >= 5)
-                bearing_ball(3);
+module do_bearings(list) {
+    diameters = [for(b = list) bb_diameter(b)];
+    max = max(diameters);
+    layout(diameters) let(b = list[$i])
+        //translate([0, (max - bb_diameter(b)) / 2])
+            ball_bearing(list[$i])
+                if (bb_width(list[$i]) >= 5)
+                    bearing_ball(3);
+}
 
 module ball_bearings() {
-    small_bearings = [for(b = ball_bearings) if(bb_diameter(b) < 12) b];
+    small_bearings = [for(b = ball_bearings) if(bb_diameter(b) <= 13) b];
     big_bearings = [for(b = ball_bearings) if(!in(small_bearings, b)) b];
 
     translate([0, 0])
         do_bearings(big_bearings);
 
-    translate([0, -20])
+    translate([0, -25])
         do_bearings(small_bearings);
 }
 

tests/belts.scad

@@ -21,14 +21,20 @@ include <../core.scad>
 include <../vitamins/pulleys.scad>
 use <../vitamins/insert.scad>
 use <../utils/layout.scad>
+use <../utils/maths.scad>
 
 module belt_test() {
-    p2 = [-75, -50];
-    p3 = [-75, 100];
-    p4 = [ 75, 100];
+    widths = [for(b = belts) belt_width(b)];
+    gap = 5;
+    belts_width = sumv(widths) + (len(belts) - 1) * gap;
+    width = belts_width + 50;
 
-    p5 = [ 75 + pulley_pr(GT2x20ob_pulley) - pulley_pr(GT2x16_plain_idler), +pulley_pr(GT2x16_plain_idler)];
-    p6 = [-75 + pulley_pr(GT2x20ob_pulley) + pulley_pr(GT2x16_plain_idler), -pulley_pr(GT2x16_plain_idler)];
+    p2 = [-width / 2, -50];
+    p3 = [-width / 2, 100];
+    p4 = [ width / 2, 100];
+
+    p5 = [ width / 2 + pulley_pr(GT2x20ob_pulley) - pulley_pr(GT2x16_plain_idler), +pulley_pr(GT2x16_plain_idler)];
+    p6 = [-width / 2 + pulley_pr(GT2x20ob_pulley) + pulley_pr(GT2x16_plain_idler), -pulley_pr(GT2x16_plain_idler)];
 
     module pulleys(flip = false) {
         translate(p2) rotate([0, flip ? 180 : 0, 0]) pulley_assembly(GT2x20ob_pulley);
@@ -70,15 +76,15 @@ module belt_test() {
             pulleys(flip=true);
         }
 
-    translate([-25, 0, 10])
-        layout([for(b = belts) belt_width(b)], 10)
+    translate([-belts_width / 2, 0, 10])
+        layout(widths, gap)
             rotate([0, 90, 0])
                 belt(belts[$i], [[0, 0, 20], [0, 1, 20]], belt_colour = $i%2==0 ? grey(90) : grey(20), tooth_colour = $i%2==0 ? grey(70) : grey(50));
 
     // new example with open loop - this is a simplified example of the style used for example for the BLV 3D printer
     pulley = GT2x20ob_pulley;
     idler = GT2x16_plain_idler;
-    corners = [[-75,-50],[75,100]];
+    corners = [[-width / 2,-50],[width / 2,100]];
     carriagepos = [0,0];
     carriagew = 80;
 
@@ -94,7 +100,7 @@ module belt_test() {
     translate_z(-30) {
         belt(belt, points, open=true, auto_twist=true);
         for (p = points)
-            if (is_list(p.z))
+            if(is_list(p.z))
                 translate([p.x, p.y, 0])
                     pulley_assembly(p.z);
     }

tests/box_sections.scad

@@ -22,8 +22,15 @@ use <../utils/layout.scad>
 include <../vitamins/box_sections.scad>
 
 module box_sections() {
-    layout([for(b = box_sections) box_section_size(b).x], 20)
-        box_section(box_sections[$i], 100);
+    woven = [for(b = box_sections) if(box_section_is_woven(b)) b];
+    plain = [for(b = box_sections) if(!box_section_is_woven(b)) b];
+    layout([for(b = woven) box_section_size(b).x * 0], 10)
+        box_section(box_sections[$i], 100 - $i * 20);
+
+    translate([50, 0])
+        for(i = [0 : len(plain) - 1])
+            box_section(plain[i], 100 - i * 20);
+
 }
 
 if($preview)

tests/cable_clip.scad

@@ -25,20 +25,20 @@ use <../vitamins/wire.scad>
 sheet_thickness = 3;
 
 cables = [
-    for(i = [1 : 6]) [i, 1.4], [1, 6], 0, [10, inch(0.05), true], 0
+    [10, inch(0.05), true], 0, for(i = [1 : 9]) [i, 1.4], 0,  [1, 6], 0,
 ];
 
 screw = M3_dome_screw;
 
 
 module cable_clips() {
-    for(i = [0 : ceil(len(cables) / 2) - 1])
-        translate([i * 25, 0]) {
-            cable1 = cables[2 * i];
-            cable2 = cables[2 * i + 1];
-
+    for(i = [0 : ceil(len(cables) / 2) - 1]) {
+        cable1 = cables[2 * i];
+        cable2 = cables[2 * i + 1];
+        translate([i * 21 + (!cable2 ? cable_clip_offset(screw, cable1) / 2 : 0), 0]) {
+            insert = in([0, 3], i);
             if($preview) {
-                cable_clip_assembly(screw, sheet_thickness, cable1, cable2);
+                cable_clip_assembly(screw, sheet_thickness, cable1, cable2, insert = insert, flip = i == 1);
 
                 for(j = [0 : 1])
                     let(cable = cables[2 * i + j])
@@ -46,14 +46,15 @@ module cable_clips() {
                             let(positions = cable_bundle_positions(cable))
                                 for(i = [0 : len(positions) - 1])
                                     let(p = positions[i])
-                                        translate([p.x + [-1, 1][j] * cable_clip_offset(screw, cable), 0, p.y])
+                                        translate([p.x + [-1, 1][j] * cable_clip_offset(screw, cable, insert = insert), 0, p.y])
                                             rotate([90, 0, 0])
                                                 color([grey(20), "blue", "red", "orange", "yellow", "green", "brown", "purple", "grey", "white"][i])
                                                     cylinder(d = cable_wire_size(cable), h = 30, center = true);
             }
             else
-                cable_clip(screw, cable1, cable2);
+                cable_clip(screw, cable1, cable2, insert = insert);
         }
+    }
 }
 
 cable_clips();

tests/components.scad

@@ -55,6 +55,10 @@ module components() {
 
     translate([0, 130])
         al_clad_resistors();
+
+    translate([80, 10])
+        multiwatt11("L6203");
+
 }
 
 if($preview)

tests/fuseholder.scad

@@ -20,8 +20,10 @@ include <../utils/core/core.scad>
 
 use <../vitamins/fuseholder.scad>
 
+thickness = 6;
+
 module fuseholders()
-    fuseholder(6);
+    fuseholder(thickness);
 
 if($preview)
     let($show_threads = 1)

tests/gear_motors.scad

@@ -0,0 +1,31 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+include <../vitamins/gear_motors.scad>
+
+use <../utils/layout.scad>
+
+module gear_motors()
+    layout([for(g = gear_motors) gm_box(g).x], 10)
+        gear_motor(gear_motors[$i]);
+
+
+
+if($preview)
+    gear_motors();

tests/inserts.scad

@@ -22,7 +22,6 @@ use <../utils/layout.scad>
 include <../vitamins/inserts.scad>
 
 module inserts() {
-
     for(i = [0: len(inserts) -1])
         translate([10 * i, 5])
             insert(inserts[i]);
@@ -32,7 +31,6 @@ module inserts() {
             insert(short_inserts[i]);
 
 
-
     stl_colour(pp1_colour)
         translate([len(inserts) * 10, 0]) {
             insert_lug(inserts[0], 2, 1);
@@ -42,6 +40,17 @@ module inserts() {
         }
 }
 
+module threaded_inserts()
+    for(i = [0: len(threaded_inserts) -1]) {
+        d = insert_hole_radius(threaded_inserts[i]);
+        translate([(10 + d) * i, 0])
+            threaded_insert(threaded_inserts[i]);
+    }
+
 if($preview)
-    let($show_threads = true)
+    let($show_threads = true) {
         inserts();
+
+        translate([0, 20])
+            threaded_inserts();
+    }

tests/jack.scad

@@ -32,6 +32,9 @@ module jacks() {
 
     translate([60, 0])
         post_4mm("red",3);
+
+    translate([80, 0])
+        power_jack(3);
 }
 
 if($preview)

tests/nuts.scad

@@ -25,7 +25,11 @@ module nuts() {
             translate([0, nyloc ? 20 : 0])
                 nut(n, nyloc);
 
-        translate([0, 40]) {
+        translate([0, 40])
+            if(nut_dome(n))
+                nut(n, dome = true);
+
+        translate([0, 60]) {
             if(n == M3_nut)
                 nut(n, brass = true);
 
@@ -43,7 +47,7 @@ module nuts() {
                 #nut_trap(M8_cap_screw, n, h = 30);
         }
 
-        translate([0, 60]) {
+        translate([0, 80]) {
             if(n == M3_nut)
                 sliding_t_nut(M3_sliding_t_nut);
 
@@ -57,10 +61,11 @@ module nuts() {
                 sliding_t_nut(M6_sliding_t_nut);
 
             if(n == M8_nut)
-                sliding_t_nut(M8_sliding_ball_t_nut);
+                rotate(90)
+                    sliding_t_nut(M8_sliding_ball_t_nut);
         }
 
-        translate([0, 80]) {
+        translate([0, 100]) {
             if(n == M3_nut)
                 sliding_t_nut(M3_hammer_nut);
 
@@ -68,7 +73,7 @@ module nuts() {
                 sliding_t_nut(M4_hammer_nut);
        }
 
-       translate([0, 100]) {
+       translate([0, 120]) {
             if(n == M3_nut)
                nut_square(M3nS_thin_nut);
             if(n == M4_nut)