Fixed drill center parameter in poly_drill().

ATX300 PSU now has a correct cutout and more accurate grill holes.
The four margins around grill holes can now be specified.

CHANGELOG.md

@@ -3,6 +3,81 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [v17.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v17.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v17.2.2...v17.3.0 "diff with v17.2.2")
+*   2021-10-20 [`21c0666`](https://github.com/nophead/NopSCADlib/commit/21c06667a3c5a0bc65440b990e28b8a2f93c7c32 "show commit") [C.P.](# "Chris Palmer") Added ATX300 PSU model.
+
+*   2021-10-20 [`d19fad3`](https://github.com/nophead/NopSCADlib/commit/d19fad3f9f7e6eba94b2005b4798b5914fff4b69 "show commit") [C.P.](# "Chris Palmer") PSU grills can now have different holes sizes, spacing, round or heaxagonal and avoid a list of rectangular regions.
+
+*   2021-10-20 [`172bfb1`](https://github.com/nophead/NopSCADlib/commit/172bfb16d8ec8ffee8b5185ef42867b37ab6bce1 "show commit") [C.P.](# "Chris Palmer") Added lugless pressfit IEC inlet.
+
+*   2021-10-09 [`491dbae`](https://github.com/nophead/NopSCADlib/commit/491dbae13b9ff2736324ff084c6a6f313b4a09fc "show commit") [C.P.](# "Chris Palmer") `screw_shorter_than()` will return 4 or 3 for short grub screws.
+
+#### [v17.2.2](https://github.com/nophead/NopSCADlib/releases/tag/v17.2.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v17.2.1...v17.2.2 "diff with v17.2.1")
+*   2021-10-02 [`046c475`](https://github.com/nophead/NopSCADlib/commit/046c475e1833c09a925a5310d1ccc6e4b07e7f89 "show commit") [M.B.](# "Martin Budden") Set convexity to 8 for `linear_extrude` of extrusion.
+
+#### [v17.2.1](https://github.com/nophead/NopSCADlib/releases/tag/v17.2.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v17.2.0...v17.2.1 "diff with v17.2.0")
+*   2021-10-06 [`5f72a12`](https://github.com/nophead/NopSCADlib/commit/5f72a1212514ee7f8a795b53b1d1d180329660df "show commit") [C.P.](# "Chris Palmer") Nuts shown on jacks and fuseholders only shown threaded when exploded.
+
+### [v17.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v17.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v17.1.0...v17.2.0 "diff with v17.1.0")
+*   2021-10-06 [`82502eb`](https://github.com/nophead/NopSCADlib/commit/82502eb470127b28e4036821077cbdbd06c17e9e "show commit") [C.P.](# "Chris Palmer") Added `pot_nut()` module to draw potentiometer nuts and washers.
+
+### [v17.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v17.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v17.0.1...v17.1.0 "diff with v17.0.1")
+*   2021-10-05 [`b541298`](https://github.com/nophead/NopSCADlib/commit/b541298eae361b80df3c6c5797f3940a37fc2a38 "show commit") [C.P.](# "Chris Palmer") Printed foot assembly can now omit the top washer when space is at a premium.
+Now correctly shows the screw in the squeezed position.
+
+*   2021-10-02 [`9884160`](https://github.com/nophead/NopSCADlib/commit/9884160ed5e8cd7d1f44c6fee950e3682714da9c "show commit") [C.P.](# "Chris Palmer") Updated the gallery
+
+#### [v17.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v17.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v17.0.0...v17.0.1 "diff with v17.0.0")
+*   2021-10-01 [`38c973b`](https://github.com/nophead/NopSCADlib/commit/38c973b316a853fcbef3ccb857d99404a772d9dd "show commit") [C.P.](# "Chris Palmer") FR4 veroboard made the correct colour.
+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 [`2ba2c2c`](https://github.com/nophead/NopSCADlib/commit/2ba2c2c115d4ab6c2371c662a3e54d7c77aa7785 "show commit") [C.P.](# "Chris Palmer") Removed some unused dependencies.
+
+## [v17.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v17.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v16.2.0...v17.0.0 "diff with v16.2.0")
+*   2021-09-28 [`a5c4bf0`](https://github.com/nophead/NopSCADlib/commit/a5c4bf05adbf53cb7eb113db1139b65eb616a2e0 "show commit") [M.B.](# "Martin Budden") Added hot end style string literals following discussion.
+
+*   2021-09-28 [`a65add6`](https://github.com/nophead/NopSCADlib/commit/a65add65acdfeb97a657e03b9398d5376f497e85 "show commit") [M.B.](# "Martin Budden") Removed hotend global enums.
+
+### [v16.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v16.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v16.1.0...v16.2.0 "diff with v16.1.0")
+*   2021-09-29 [`bab4c8e`](https://github.com/nophead/NopSCADlib/commit/bab4c8e8afcc9e96ada5ae8d7636f3f203c36a2c "show commit") [C.P.](# "Chris Palmer") `TO247_size()` now also returns lead height and the length of the wide bit.
+TO247 leads fixed at 3.
+Lead length removed from TO220 and TO247 vitamin string.
+
+### [v16.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v16.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v16.0.3...v16.1.0 "diff with v16.0.3")
+*   2021-09-27 [`f16f7dd`](https://github.com/nophead/NopSCADlib/commit/f16f7ddb0943469a4e9aeb2aec9e6fc9e418c2dc "show commit") [C.P.](# "Chris Palmer") Images reverted to last OpenSCAD release versions.
+Mainly text spacing changes.
+
+*   2021-09-27 [`9b5ec6a`](https://github.com/nophead/NopSCADlib/commit/9b5ec6af1aba313df6812a5313470ebb7e8fbdd7 "show commit") [C.P.](# "Chris Palmer") Fixed new `rounded_polygon` to work with last OpenSCAD release.
+Trainling commas in `let()`.
+
+*   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 [`c37373c`](https://github.com/nophead/NopSCADlib/commit/c37373c920d3b438895ef535b0c06d0d00675609 "show commit") [C.P.](# "Chris Palmer") Added `TO247()` and `TO247_size()` to `component.scad`.
+
+*   2021-09-27 [`700f5a2`](https://github.com/nophead/NopSCADlib/commit/700f5a2205173e12fad42df2f57d2c105608204e "show commit") [C.P.](# "Chris Palmer") `fanguard()` can now be made without screw holes to get just the grill.
+
+*   2021-09-27 [`4993c3e`](https://github.com/nophead/NopSCADlib/commit/4993c3e82deffd933a81e39b670bb14886790b5f "show commit") [C.P.](# "Chris Palmer") Module blurb parenthesis parsing is now greedy to handle args that default to function calls.
+This means that library modules cannot be one liners.
+
+*   2021-09-26 [`c6b280f`](https://github.com/nophead/NopSCADlib/commit/c6b280f0e8d6780394bf63fc7efa9c1075589abe "show commit") [C.P.](# "Chris Palmer") `_box_assembly()` fix for corners `=` 0.
+
+*   2021-09-26 [`6012787`](https://github.com/nophead/NopSCADlib/commit/601278778147c66288049b768be291c714fde6e0 "show commit") [C.P.](# "Chris Palmer") Added `jack_4mm_plastic()`.
+
+*   2021-09-26 [`30db660`](https://github.com/nophead/NopSCADlib/commit/30db66034c7fedf0f07b542908a07f73efd9dc08 "show commit") [C.P.](# "Chris Palmer") `Rounded_polygons` are now generated by a function returning a point list.
+The module version simply passes this to polygon.
+The arcs now sections of a `circle4n()` rather than a `circle()`.
+
+#### [v16.0.3](https://github.com/nophead/NopSCADlib/releases/tag/v16.0.3 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v16.0.2...v16.0.3 "diff with v16.0.2")
+*   2021-09-16 [`f6aa3b3`](https://github.com/nophead/NopSCADlib/commit/f6aa3b342650062cd8947aa36e2ae93242752d4b "show commit") [C.P.](# "Chris Palmer") `fuseholder_hole()` now makes a `poly_hole` when `cnc_bit_r` is 0.
+
+*   2021-09-16 [`91c8c7b`](https://github.com/nophead/NopSCADlib/commit/91c8c7bf4d67cf93c47f41cd5984cb23271205cb "show commit") [C.P.](# "Chris Palmer") `cnc_bit_r` is now set to zero in stl(), so holes are suitable for 3D printing rather than routing.
+
+*   2021-09-16 [`dc93b8d`](https://github.com/nophead/NopSCADlib/commit/dc93b8dcdf484dbb50cdee5908a91a3f322e6610 "show commit") [C.P.](# "Chris Palmer") Added platters and extrusion overrides to the example project.
+
 #### [v16.0.2](https://github.com/nophead/NopSCADlib/releases/tag/v16.0.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v16.0.1...v16.0.2 "diff with v16.0.1")
 *   2021-09-14 [`119c2cb`](https://github.com/nophead/NopSCADlib/commit/119c2cb6f46ea00c9238da6d98305e6479f0452c "show commit") [C.P.](# "Chris Palmer") Can now make perfboards with screws holes only at one end.
 `I.e`. for making models of chopped down boards.

gallery/readme.md

@@ -25,6 +25,11 @@ WiFi controllable PSU
 
 ![](IOT_50V_PSU.png)
 
+## IOT LOAD
+WiFi controllable programmable load
+
+![](IOT_LOAD.png)
+
 ## Lab ATX PSU
 Bench power supply built around an ATX PSU.
 
@@ -65,6 +70,16 @@ Mains isolated and variable supply with metering.
 
 
 
+## PSU Cover
+A base and shroud to make PSU safe to sit on a desk
+
+![](PSU_cover.png)
+
+## PotBox
+Potentiometer box with course and fine controls and three 4mm binding posts
+
+![](PotBox.png)
+
 ## SunBot
 A solar tracker to keep a solar panel pointing at the sun.
 

global_defs.scad

@@ -50,9 +50,10 @@ eps = 1/128;     // small fudge factor to stop CSG barfing on coincident faces.
 $fa = 6;
 $fs = extrusion_width / 2;
 
-function round_to_layer(z) = ceil(z / layer_height) * layer_height;
+function round_to_layer(z) = ceil(z / layer_height) * layer_height;         //! Round up to a multiple of layer_height.
+
 // Some additional named colours
-function grey(n) = [0.01, 0.01, 0.01] * n;                                          //! Generate a shade of grey to pass to color().
+function grey(n) = [0.01, 0.01, 0.01] * n;                                  //! Generate a shade of grey to pass to color().
 silver           = [0.75, 0.75, 0.75];
 gold             = [255, 215,   0] / 255;
 brass            = [255, 220, 100] / 255;
@@ -72,11 +73,6 @@ hs_grub   = 4;     // pulley set screw
 hs_cs_cap = 5;
 hs_dome   = 6;
 //
-// Hot end descriptions
-//
-jhead   = 1;
-e3d     = 2;
-//
 // Face enumeration
 //
 f_bottom = 0;

printed/box.scad

@@ -31,9 +31,11 @@
 //!
 //! Normally the side sheets are the same type but they can be overridden individually as long as the substitute has the same thickness.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 use <../vitamins/sheet.scad>
 use <../vitamins/insert.scad>
+use <../vitamins/screw.scad>
+use <../vitamins/washer.scad>
 use <../utils/quadrant.scad>
 use <../utils/round.scad>
 
@@ -52,8 +54,8 @@ function box_width(type)       = type[7]; //! Internal width
 function box_depth(type)       = type[8]; //! Internal depth
 function box_height(type)      = type[9]; //! Internal height
 
-function box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = M3_dome_screw) = //! Construct a property list for a box.
- concat([screw, shelf_screw, wall, sheets, top_sheet, base_sheet, feet], size);
+function box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = undef) = //! Construct a property list for a box.
+ concat([screw, is_undef(shelf_screw) ? screw : shelf_screw, wall, sheets, top_sheet, base_sheet, feet], size);
 
 function box_bezel_clearance(type) = bezel_clearance;
 
@@ -588,9 +590,26 @@ module box_back_blank(type, sheet = false) { //! Generates a 2D template for the
     sheet_2D(subst_sheet(type, sheet), box_width(type) - sheet_reduction(type), box_height(type) - sheet_reduction(type), 1);
 }
 
-module box_base(type)  render_2D_sheet(box_base_sheet(type)) box_base_blank(type);  //! Default base, can be overridden to customise
-module box_top(type)   render_2D_sheet(box_top_sheet(type))  box_top_blank(type);   //! Default top, can be overridden to customise
-module box_back(type)  render_2D_sheet(box_sheets(type))     box_back_blank(type);  //! Default back, can be overridden to customise
-module box_front(type) render_2D_sheet(box_sheets(type))     box_front_blank(type); //! Default front, can be overridden to customise
-module box_left(type)  render_2D_sheet(box_sheets(type))     box_left_blank(type);  //! Default left side, can be overridden to customise
-module box_right(type) render_2D_sheet(box_sheets(type))     box_right_blank(type); //! Default right side, can be overridden to customise
+module box_base(type)   //! Default base, can be overridden to customise
+    render_2D_sheet(box_base_sheet(type))
+        box_base_blank(type);
+
+module box_top(type)    //! Default top, can be overridden to customise
+    render_2D_sheet(box_top_sheet(type))
+        box_top_blank(type);
+
+module box_back(type)   //! Default back, can be overridden to customise
+    render_2D_sheet(box_sheets(type))
+        box_back_blank(type);
+
+module box_front(type)  //! Default front, can be overridden to customise
+    render_2D_sheet(box_sheets(type))
+        box_front_blank(type);
+
+module box_left(type)   //! Default left side, can be overridden to customise
+    render_2D_sheet(box_sheets(type))
+        box_left_blank(type);
+
+module box_right(type) //! Default right side, can be overridden to customise
+    render_2D_sheet(box_sheets(type))
+        box_right_blank(type);

printed/box_assembly.scad

@@ -28,7 +28,7 @@ assembly("box") {
 
     t = sheet_thickness(box_sheets(type));
 
-    for(corner = [0 :  corners - 1]) {
+    for(corner = [0 : 1 : corners - 1]) {
         x = [-1,1,1,-1][corner];
         y = [-1,-1,1,1][corner];
         translate([x * (box_width(type) / 2 + 25 * exploded()), y * (box_depth(type) / 2 + 25 * exploded())])

printed/butt_box.scad

@@ -198,12 +198,29 @@ module bbox_back_blank(type, sheet = false) { //! 2D template for the back
     }
 }
 
-module bbox_base(type)  render_2D_sheet(bbox_base_sheet(type)) bbox_base_blank(type);   //! Default base, can be overridden to customise
-module bbox_top(type)   render_2D_sheet(bbox_top_sheet(type)) bbox_top_blank(type);     //! Default top, can be overridden to customise
-module bbox_back(type)  render_2D_sheet(bbox_sheets(type)) bbox_back_blank(type);       //! Default back, can be overridden to customise
-module bbox_front(type) render_2D_sheet(bbox_sheets(type)) bbox_front_blank(type);      //! Default front, can be overridden to customise
-module bbox_left(type)  render_2D_sheet(bbox_sheets(type)) bbox_left_blank(type);       //! Default left side, can be overridden to customise
-module bbox_right(type) render_2D_sheet(bbox_sheets(type)) bbox_right_blank(type);      //! Default right side, can be overridden to customise
+module bbox_base(type)  //! Default base, can be overridden to customise
+    render_2D_sheet(bbox_base_sheet(type))
+        bbox_base_blank(type);
+
+module bbox_top(type)   //! Default top, can be overridden to customise
+    render_2D_sheet(bbox_top_sheet(type))
+        bbox_top_blank(type);
+
+module bbox_back(type)  //! Default back, can be overridden to customise
+    render_2D_sheet(bbox_sheets(type))
+        bbox_back_blank(type);
+
+module bbox_front(type) //! Default front, can be overridden to customise
+    render_2D_sheet(bbox_sheets(type))
+        bbox_front_blank(type);
+
+module bbox_left(type)  //! Default left side, can be overridden to customise
+    render_2D_sheet(bbox_sheets(type))
+        bbox_left_blank(type);
+
+module bbox_right(type) //! Default right side, can be overridden to customise
+    render_2D_sheet(bbox_sheets(type))
+        bbox_right_blank(type);
 
 module _bbox_assembly(type, top = true, base = true, left = true, right = true, back = true, front = true) { //! The box assembly, wrap with a local copy without parameters
     width = bbox_width(type);

printed/fan_guard.scad

@@ -29,7 +29,7 @@ function fan_guard_wall() = extrusion_width - layer_height / 2 + nozzle / 2 + ex
 function fan_guard_corner_r(type) = washer_diameter(screw_washer(fan_screw(type))) / 2 + 0.5; //! Corner radius of the guard
 function fan_guard_width(type) = max(2 * (fan_hole_pitch(type) + fan_guard_corner_r(type)), fan_bore(type) + 4 * fan_guard_wall()); //! Width of the guard
 
-module fan_guard(type, name = false, thickness = fan_guard_thickness(), spokes = 4, finger_width = 7, grill = false) { //! Generate the STL
+module fan_guard(type, name = false, thickness = fan_guard_thickness(), spokes = 4, finger_width = 7, grill = false, screws = true) { //! Generate the STL
     if(thickness)
         stl(name ? name : str("fan_guard_", fan_width(type)));
     hole_pitch = fan_hole_pitch(type);
@@ -54,7 +54,7 @@ module fan_guard(type, name = false, thickness = fan_guard_thickness(), spokes =
                 difference() {
                     rounded_square([width, width], r = width / 2 - hole_pitch);
 
-                    fan_holes(type, !grill, !grill, h = 0);
+                    fan_holes(type, !grill, !grill && screws, h = 0);
                 }
                 if(spokes) {
                     intersection() {

printed/fixing_block.scad

@@ -105,7 +105,8 @@ module fixing_block(screw = def_screw) { //! Generate the STL
         }
 }
 
-module fixing_block_assembly(screw = def_screw) pose([55, 180, 25], [0, 4.8, 4.8]) //! Printed part with the inserts inserted
+module fixing_block_assembly(screw = def_screw) //! Printed part with the inserts inserted
+pose([55, 180, 25], [0, 4.8, 4.8])
 assembly(str("fixing_block_M", 20 * screw_radius(screw)), ngb = true) {
     translate_z(fixing_block_height(screw))
         rotate([0, 180, 0])

printed/foot.scad

@@ -67,18 +67,19 @@ module foot(type = foot) { //! Generate STL
         }
 }
 
-module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with fasteners in place for specified sheet thickness
+module foot_assembly(t = 0, type = foot, flip = false, no_washer = false) { //! Assembly with fasteners in place for specified sheet thickness
     screw = foot_screw(type);
     nut = screw_nut(screw);
     squeeze = 0.5;
-    screw_length = screw_length(screw, foot_thickness(type) + t - squeeze, 2, nyloc = true);
+    screw_length = screw_length(screw, foot_thickness(type) + t - squeeze, no_washer ? 1 : 2, nyloc = true);
 
     vflip() explode(15, true) {
-        stl_colour(pp4_colour) foot(type);
+        translate_z(-squeeze)
+            stl_colour(pp4_colour) foot(type);
 
         if(t)
             explode(15, true)
-                translate_z(foot_thickness(type))
+                translate_z(foot_thickness(type) - squeeze)
                     if(flip)
                         nut_and_washer(nut, true);
                     else
@@ -87,9 +88,15 @@ module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with faste
     if(t)
         translate_z(t)
             if(flip)
-                screw_and_washer(screw, screw_length);
+                if(no_washer)
+                    screw(screw, screw_length);
+                else
+                    screw_and_washer(screw, screw_length);
             else
-                nut_and_washer(nut, true);
+                if(no_washer)
+                    nut(nut, true);
+                else
+                    nut_and_washer(nut, true);
 }
 
 module insert_foot(type = insert_foot) { //! Generate STL for foot with insert

printed/handle.scad

@@ -79,7 +79,8 @@ module handle_stl() { //! generate the STL
 //
 //! Place inserts in the bottom of the posts and push them home with a soldering iron with a conical bit heated to 200°C.
 //
-module handle_assembly() pose([225, 0, 150], [0, 0, 14]) //! Printed part with inserts in place
+module handle_assembly() //! Printed part with inserts in place
+pose([225, 0, 150], [0, 0, 14])
 assembly("handle", ngb = true) {
     translate_z(handle_height())
         stl_colour(pp1_colour) vflip() handle_stl();

printed/press_fit.scad

@@ -22,7 +22,7 @@
 //!
 //! Add solvent or glue to make a permanent fixture.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 
 interference = 0.0;
 

printed/printed_box.scad

@@ -26,7 +26,9 @@
 //!
 //! It can also have printed feet on the base with the screws doubling up to hold the base on.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
+use <../vitamins/screw.scad>
+use <../vitamins/washer.scad>
 use <../vitamins/insert.scad>
 use <foot.scad>
 

printed/printed_pulleys.scad

@@ -21,8 +21,8 @@
 //! Creative Commons - Attribution - Share Alike license (see <https://creativecommons.org/licenses/by-sa/3.0/>)
 //
 
-include <../core.scad>
-include <../vitamins/pulleys.scad>
+include <../utils/core/core.scad>
+use <../vitamins/pulley.scad>
 
 printed_pulley_GT2_profile = [[0.747183,-0.5],[0.747183,0],[0.647876,0.037218],[0.598311,0.130528],[0.578556,0.238423],[0.547158,0.343077],[0.504649,0.443762],[0.451556,0.53975],[0.358229,0.636924],[0.2484,0.707276],[0.127259,0.750044],[0,0.76447],[-0.127259,0.750044],[-0.2484,0.707276],[-0.358229,0.636924],[-0.451556,0.53975],[-0.504797,0.443762],[-0.547291,0.343077],[-0.578605,0.238423],[-0.598311,0.130528],[-0.648009,0.037218],[-0.747183,0],[-0.747183,-0.5]];
 

printed/ribbon_clamp.scad

@@ -81,8 +81,9 @@ module ribbon_clamp(ways, screw = screw) { //! Generate STL for given number of
         }
 }
 
-module ribbon_clamp_assembly(ways, screw = screw) pose([55, 180, 25])  //! Printed part with inserts in place
-    assembly(let(screw_d = screw_radius(screw) * 2)str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : ""), ngb = true) {
+module ribbon_clamp_assembly(ways, screw = screw)  //! Printed part with inserts in place
+pose([55, 180, 25])
+assembly(let(screw_d = screw_radius(screw) * 2)str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : ""), ngb = true) {
     h = ribbon_clamp_height(screw);
     insert = screw_insert(screw);
 

readme.md

@@ -71,8 +71,8 @@ A list of changes classified as breaking, additions or fixes is maintained in [C
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `7_segment_digit(type, colour = grey(95)` | Draw the specified 7 segment digit |
-| `7_segment_digits(type, n, colour = grey(70)` | Draw n digits side by side |
+| `7_segment_digit(type, colour = grey(95), pin_length = 6.4)` | Draw the specified 7 segment digit |
+| `7_segment_digits(type, n, colour = grey(70), pin_length = 6.4, cutout = false)` | Draw n digits side by side |
 
 ![7_segments](tests/png/7_segments.png)
 
@@ -343,7 +343,7 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `belt(type, points, belt_colour = grey(20)` | Draw a belt path given a set of points and pitch radii where the pulleys are. Closed loop unless open is specified |
+| `belt(type, points, belt_colour = grey(20), tooth_colour = grey(50), open = false, twist = undef, auto_twist = false, start_twist = false)` | Draw a belt path given a set of points and pitch radii where the pulleys are. Closed loop unless open is specified |
 
 ![belts](tests/png/belts.png)
 
@@ -785,6 +785,7 @@ Various electronic components used in hot ends and heated beds.
 | Function | Description |
 |:--- |:--- |
 | `TO220_thickness()` | Thickness of the tab of a TO220 |
+| `TO247_size()` | Body dimensions of a T247, hole offset, lead height and lead wide length |
 | `fack2spm_bezel_size()` | FACK2SPM Bezel dimensions |
 | `fack2spm_screw()` | Screw type for FACK2SPM |
 
@@ -792,6 +793,7 @@ Various electronic components used in hot ends and heated beds.
 | Module | Description |
 |:--- |:--- |
 | ` TO220(description, leads = 3, lead_length = 16)` | Draw a TO220 package, use `description` to describe what it is |
+| ` TO247(description, lead_length = 20)` | Draw a TO247 package, use `description` to describe what it is |
 | `al_clad_resistor(type, value, leads = true)` | Draw an aluminium clad resistor |
 | `al_clad_resistor_hole_positions(type)` | Position children at the screw holes of an aluminium clad resistor |
 | `al_clad_resistor_holes(type, h = 100)` | Drill screw holes for an aluminium clad resistor |
@@ -812,6 +814,7 @@ Various electronic components used in hot ends and heated beds.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   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 | `resistor(RWM04106R80J)` |  Resistor RWM04106R80J 6R8 3W vitreous enamel |
 |   1 | `resistor(RIE1212UB5C5R6)` |  Resistor UB5C 5R6F 5R6 3W vitreous enamel |
@@ -909,7 +912,7 @@ Dual inline IC packages and sockets
 | Module | Description |
 |:--- |:--- |
 | `dip(n, part, size, w, pitch, pin)` | Draw DIP package |
-| `pdip(pins, part, socketed, w = inch(0.3)` | Draw standard 0.1" PDIP IC package |
+| `pdip(pins, part, socketed, w = inch(0.3), pitch = inch(0.1))` | Draw standard 0.1" PDIP IC package |
 | `pdip_pin(type, l, end)` | Draw a pin |
 
 ![dip](tests/png/dip.png)
@@ -1451,6 +1454,7 @@ IEC mains inlets and outlet.
 |   1 | `iec(IEC_inlet)` |  IEC inlet |
 |   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 |
 |   4 | `screw(M3_cs_cap_screw, 10)` |  Screw M3 cs cap x 10mm |
@@ -1523,7 +1527,9 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 ### Functions
 | Function | Description |
 |:--- |:--- |
+| `jack_4mm_flange_radius()` | 4mm jack socket flange radius |
 | `jack_4mm_hole_radius()` | Panel hole radius for 4mm jack |
+| `jack_4mm_plastic_flange_radius()` | 4mm plastic jack socket flange radius |
 | `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 |
@@ -1532,6 +1538,7 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 | Module | Description |
 |:--- |:--- |
 | `jack_4mm(colour, thickness, display_colour = false)` | Draw a 4mm jack socket with nut positioned for specified panel thickness |
+| `jack_4mm_plastic(colour, thickness, display_colour = false)` | Draw a 4mm plastic jack socket with nut positioned for specified panel thickness |
 | `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 |
@@ -1543,6 +1550,7 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 | ---:|:--- |:---|
 |   1 | `post_4mm("red", 3)` |  4mm jack binding post red |
 |   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 |
 
 
@@ -2345,7 +2353,8 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `flex(cutout = false)` | Draw flexistrip connector |
 | `hdmi(type, cutout = false)` | Draw HDMI socket |
 | `jack(cutout = false)` | Draw 3.5mm jack |
-| `molex_254(ways, right_angle = 0, skip = undef)` | Draw molex header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version. |
+| `molex_254(ways, right_angle = 0, skip = undef)` | Draw molex KK header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version. |
+| `molex_254_housing(ways)` | Draw a Molex KK housing |
 | `molex_usb_Ax1(cutout)` | Draw Molex USB A connector suitable for perf board |
 | `molex_usb_Ax2(cutout)` | Draw Molex dual USB A connector suitable for perf board |
 | `pcb(type)` | Draw specified PCB |
@@ -2489,7 +2498,8 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `flex(cutout = false)` | Draw flexistrip connector |
 | `hdmi(type, cutout = false)` | Draw HDMI socket |
 | `jack(cutout = false)` | Draw 3.5mm jack |
-| `molex_254(ways, right_angle = 0, skip = undef)` | Draw molex header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version. |
+| `molex_254(ways, right_angle = 0, skip = undef)` | Draw molex KK header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version. |
+| `molex_254_housing(ways)` | Draw a Molex KK housing |
 | `molex_usb_Ax1(cutout)` | Draw Molex USB A connector suitable for perf board |
 | `molex_usb_Ax2(cutout)` | Draw Molex dual USB A connector suitable for perf board |
 | `pcb(type)` | Draw specified PCB |
@@ -2535,7 +2545,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(ESP32_DOIT_V1)` |  ESP32 DOIT DEV KIT V1 |
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
 |   1 | `pcb(ExtruderPCB)` |  Extruder connection PCB - not shown |
-|   1 | `pcb(KY_040)` |  KY_-040 rotart encoder breakout |
+|   1 | `pcb(KY_040)` |  KY-040 rotart encoder breakout |
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board - not shown |
 |   1 | `pcb(LIPO_fuel_gauge)` |  LIPO fuel gauge |
 |   1 | `pcb(MP1584EN)` |  MP1584EN 3A buck converter |
@@ -2791,6 +2801,7 @@ Potentiometers and rotary encoders
 | `pot_face(type)` | Faceplate rib width, plate depth and plate height |
 | `pot_gangs(type)` | Number of gangs for mult-gang pot |
 | `pot_neck(type)` | Diameter and length of the shaft neck |
+| `pot_nut(type)` | Across flat diameter and thickness of the nut |
 | `pot_shaft(type)` | Diameter, flat diameter, length and flat/slot length and colour. If flat diameter is less than the radius then it is a slot width |
 | `pot_spigot(type)` | Spigot width, length and height above the boss |
 | `pot_spigot_x(type)` | Spigot offset from the shaft centre |
@@ -2798,16 +2809,18 @@ Potentiometers and rotary encoders
 | `pot_thread_h(type)` | Height of threaded part |
 | `pot_thread_p(type)` | Thread pritch |
 | `pot_wafer(type)` | Width, diameter and thickness of the track wafer plus true if curved |
+| `pot_washer(type)` | Outside diameter and thickness of the washer |
 
 ### Functions
 | Function | Description |
 |:--- |:--- |
 | `pot_size(type)` | Get pot body dimensions |
-| `pot_z(type)` | Ideal distance behind panel surface to get the nut on comfortably |
+| `pot_z(type, washer = true)` | Ideal distance behind panel surface to get the nut and washer on comfortably |
 
 ### Modules
 | Module | Description |
 |:--- |:--- |
+| `pot_nut(type, washer = true)` | Draw the nut for a potentiometer and possibly a washer |
 | `potentiometer(type, thickness = 3, shaft_length = undef)` | Draw a potentiometer with nut spaced by specified thickness |
 
 ![potentiometers](tests/png/potentiometers.png)
@@ -2833,6 +2846,7 @@ Face order is bottom, top, left, right, front, back.
 |:--- |:--- |
 | `atx_psu(type)` | True if an ATX style PSU |
 | `psu_accessories(type)` | Accessories to add to BOM, e.g. mains lead |
+| `psu_face_cutout(type)` | Panel cutout to accommodate this face, e.g. for ATX |
 | `psu_face_cutouts(type)` | List of polygons to remove |
 | `psu_face_fan(type)` | Fan x,y position and type |
 | `psu_face_grill(type)` | Is this face a grill |
@@ -2868,7 +2882,7 @@ Face order is bottom, top, left, right, front, back.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `atx_psu_cutout(type)` | Cut out for the rear of an ATX |
+| `atx_psu_cutout(type, face = f_front)` | Cut out for the rear of an ATX, which is actually f_front! |
 | `psu(type)` | Draw a power supply |
 | `psu_screw_positions(type, face = undef)` | Position children at the screw positions on the preferred mounting face, which can be overridden. |
 | `terminal_block(type, ways)` | Draw a power supply terminal block |
@@ -2878,18 +2892,18 @@ Face order is bottom, top, left, right, front, back.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   1 |  |  IEC mains lead |
+|   2 |  |  IEC mains lead |
 |   1 | `psu(ATX500)` |  PSU ATX500 |
-|   1 | `psu(KY240W)` |  PSU KY-240W-12-L |
+|   1 | `psu(ATX300)` |  PSU FSP300-60GHX |
+|   1 | `psu(KY240W)` |  PSU KY-240W-12-L - not shown |
 |   1 | `psu(PD_150_12)` |  PSU PD-150-12 |
 |   1 | `psu(S_250_48)` |  PSU S-250-48 |
 |   1 | `psu(S_300_12)` |  PSU S-300-12 |
-|   4 | `screw(No632_pan_screw, 8)` |  Screw 6-32 pan x  8mm |
-|   4 | `screw(M3_cap_screw, 8)` |  Screw M3 cap x  8mm |
+|   9 | `screw(No632_pan_screw, 8)` |  Screw 6-32 pan x  8mm |
 |   8 | `screw(M3_pan_screw, 8)` |  Screw M3 pan x  8mm |
 |   4 | `screw(M4_cap_screw, 8)` |  Screw M4 cap x  8mm |
-|  12 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
-|   8 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
+|   8 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|  13 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 
 
 <a href="#top">Top</a>
@@ -3010,10 +3024,10 @@ Linear rails with carriages.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `carriage(type, end_colour = grey(20)` | Draw the specified carriage |
+| `carriage(type, end_colour = grey(20), wiper_colour = grey(20))` | Draw the specified carriage |
 | `carriage_hole_positions(type)` | Position children over screw holes |
-| `rail(type, length, colour = grey(90)` | Draw the specified rail |
-| `rail_assembly(carriage, length, pos, carriage_end_colour = grey(20)` | Rail and carriage assembly |
+| `rail(type, length, colour = grey(90), use_polycircles = false)` | Draw the specified rail |
+| `rail_assembly(carriage, length, pos, carriage_end_colour = grey(20), carriage_wiper_colour = grey(20))` | Rail and carriage assembly |
 | `rail_hole_positions(type, length, first = 0, screws = 100, both_ends = true)` | Position children over screw holes |
 | `rail_screws(type, length, thickness, screws = 100, index_screws = undef)` | Place screws in the rail |
 
@@ -4402,7 +4416,7 @@ Normally the side sheets are the same type but they can be overridden individual
 ### Functions
 | Function | Description |
 |:--- |:--- |
-| `box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = M3_dome_screw)` | Construct a property list for a box. |
+| `box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = undef)` | Construct a property list for a box. |
 | `box_bezel_height(type, bottom)` | Bezel height for top or bottom |
 | `box_corner_gap(type)` | Gap between box_sheets at the corners to connect inside and outside profiles |
 | `box_inset(type)` | How much the bezel intrudes on the specified width and length, away from the corners |
@@ -4974,7 +4988,7 @@ The ring spacing as well as the number of spokes can be specified, if zero a gas
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `fan_guard(type, name = false, thickness = fan_guard_thickness()` | Generate the STL |
+| `fan_guard(type, name = false, thickness = fan_guard_thickness(), spokes = 4, finger_width = 7, grill = false, screws = true)` | Generate the STL |
 
 ![fan_guard](tests/png/fan_guard.png)
 
@@ -5181,7 +5195,7 @@ inserts don't grip well in rubber.
 |:--- |:--- |
 | `fastened_insert_foot_assembly(t = 3, type = insert_foot)` | Assembly with fasteners in place for specified sheet thickness |
 | `foot(type = foot)` | Generate STL |
-| `foot_assembly(t = 0, type = foot, flip = false)` | Assembly with fasteners in place for specified sheet thickness |
+| `foot_assembly(t = 0, type = foot, flip = false, no_washer = false)` | Assembly with fasteners in place for specified sheet thickness |
 | `insert_foot(type = insert_foot)` | Generate STL for foot with insert |
 | `insert_foot_assembly(type = insert_foot)` | Printed part with insert in place |
 
@@ -6312,8 +6326,9 @@ Because the tangents need to be calculated to find the length these can be calcu
 | Function | Description |
 |:--- |:--- |
 | `circle_tangent(p1, p2)` | Compute the clockwise tangent between two circles represented as [x,y,r] |
+| `rounded_polygon(points, _tangents = undef)` | Return the rounded polygon from the point list, can pass the tangent list to save it being calculated |
 | `rounded_polygon_arcs(points, tangents)` | Compute the arcs at the points, for each point [angle, rotate_angle, length] |
-| `rounded_polygon_length(points, tangents)` | Calculate the length given the point list and the list of tangents computed by ` rounded_polygon_tangents` |
+| `rounded_polygon_length(points, tangents)` | Calculate the length given the point list and the list of tangents computed by `rounded_polygon_tangents` |
 | `rounded_polygon_tangents(points)` | Compute the straight sections between a point and the next point, for each section [start_point, end_point, length] |
 
 ### Modules
@@ -6463,7 +6478,7 @@ Simple tube or ring
 | `rectangular_tube(size, center = true, thickness = 1, fillet = 0.5)` | Create a rectangular tube with filleted corners |
 | `ring(or, ir)` | Create a ring with specified external and internal radii |
 | `tube(or, ir, h, center = true)` | Create a tube with specified external and internal radii and height `h` |
-| `woven_tube(or, ir, h, center= true, colour = grey(30)` | Create a woven tube with specified external and internal radii, height `h`, colours, warp and weft |
+| `woven_tube(or, ir, h, center= true, colour = grey(30), colour2, warp = 2, weft)` | Create a woven tube with specified external and internal radii, height `h`, colours, warp and weft |
 
 ![tube](tests/png/tube.png)
 
@@ -6506,7 +6521,7 @@ The `pose()` module allows assembly views in the readme to be posed differently
 |:--- |:--- |
 | `arg(value, default, name = "")` | Create string for arg if not default, helper for `vitamin()` |
 | `bom_mode(n = 1)` | Current BOM mode, 0 = none, 1 = printed and routed parts and assemblies, 2 includes vitamins as well |
-| `exploded()` | Returns the value of `$exploded` if it is defined, else `0` |
+| `exploded()` | Returns the value of `$explode` if it is defined, else `0` |
 | `show_supports()` | True if printed support material should be shown |
 | `value_string(value)` | Convert `value` to a string or quote it if it is already a string |
 

scripts/blurb.py

@@ -81,7 +81,7 @@ def scrape_code(scad_file):
             match = re.match(r'^function (.*?\(.*?\)).*?(?://! ?(.*))$', line)
             if match:
                 functions[match.group(1)] = match.group(2)
-        match = re.match(r'^module (.*?\(.*?\)).*?(?://! ?(.*))$', line)
+        match = re.match(r'^module (.*?\(.*\)).*?(?://! ?(.*))$', line)
         if match:
             modules[match.group(1)] = match.group(2)
 

tests/7_segments.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 include <../vitamins/7_segments.scad>

tests/DIP.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../vitamins/dip.scad>
 
 dips = [[6, "OPTO"], [8, "NE555"], [14, "74HC00"], [16, "ULN2003"], [18, "ULN2803"], [20, "74HC245"], [28, "ATMEGA328"]];

tests/LDRs.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 include <../vitamins/ldrs.scad>
 
 use <../utils/layout.scad>

tests/PSUs.scad

@@ -16,20 +16,32 @@
 // You should have received a copy of the GNU General Public License along with NopSCADlib.
 // If not, see <https://www.gnu.org/licenses/>.
 //
+show_cutout = false;
+
 include <../core.scad>
 include <../vitamins/psus.scad>
 
 use <../utils/layout.scad>
 
+
+
 module psus()
-    layout([for(p = psus) psu_width(p)], 10) let(p = psus[$i])
+    layout([for(p = psus) atx_psu(p) ? psu_length(p) : psu_width(p)], 10) let(p = psus[$i])
     rotate(atx_psu(p) ? 0 : 90) {
         psu(p);
 
         psu_screw_positions(p)
             translate_z(3)
                 screw_and_washer(psu_screw(p), 8);
+
+        if(show_cutout && atx_psu(p))
+            #atx_psu_cutout(p);
     }
 
-if($preview)
+if($preview) {
     psus();
+
+    for(p = psus_not_shown)
+        hidden()
+            psu(p);
+}

tests/SSR_shroud.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 include <../vitamins/ssrs.scad>
 
 use <../utils/layout.scad>

tests/ball_bearings.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 include <../vitamins/ball_bearings.scad>

tests/camera_housing.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 use <../printed/camera_housing.scad>

tests/components.scad

@@ -42,6 +42,9 @@ module components() {
         TO220("Generic TO220 package");
 
     translate([40, 50])
+        TO247("Generic TO247 package");
+
+    translate([40, 80])
         panel_USBA();
 
     translate([80, 50])

tests/core_xy.scad

@@ -19,7 +19,6 @@
 
 include <../core.scad>
 include <../vitamins/pulleys.scad>
-include <../vitamins/screws.scad>
 include <../vitamins/stepper_motors.scad>
 include <../vitamins/washers.scad>
 

tests/jack.scad

@@ -22,12 +22,15 @@ use <../vitamins/jack.scad>
 
 module jacks() {
     translate([0, 0])
-        jack_4mm("blue",3, "royalblue");
+        jack_4mm_plastic("black",3, grey(20));
 
     translate([20, 0])
-        jack_4mm_shielded("brown", 3, "sienna");
+        jack_4mm("blue",3, "royalblue");
 
     translate([40, 0])
+        jack_4mm_shielded("brown", 3, "sienna");
+
+    translate([60, 0])
         post_4mm("red",3);
 }
 

tests/microview.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../vitamins/microview.scad>
 
 microview(!$preview);

tests/potentiometers.scad

@@ -23,9 +23,13 @@ include <../vitamins/potentiometers.scad>
 
 module potentiometers()
     layout([for(p = potentiometers) pot_size(p).x])
-        hflip()
+        hflip() {
             potentiometer(potentiometers[$i], shaft_length = 30);
 
+            translate_z(-3)
+                pot_nut(potentiometers[$i]);
+        }
+
 if($preview)
     let($show_threads = true)
         potentiometers();

tests/press_fit.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../printed/press_fit.scad>
 
 module press_fits()

utils/core/bom.scad

@@ -46,7 +46,9 @@ function bom_mode(n = 1) = (is_undef($bom) ? 0 : $bom) >= n && (is_undef($on_bom
 function exploded() = is_undef($exploded_parent) ? is_undef($explode) ? 0 : $explode : 0;   //! Returns the value of `$explode` if it is defined, else `0`
 function show_supports() = !$preview || exploded();                 //! True if printed support material should be shown
 
-module no_explode() let($exploded_parent = true) children();        //! Prevent children being exploded
+module no_explode()                                                 //! Prevent children being exploded
+    let($exploded_parent = true) children();
+
 module explode(d, explode_children = false, offset = [0,0,0]) {     //! Explode children by specified Z distance or vector `d`, option to explode grand children
     v = is_list(d) ? d : [0, 0, d];
     o = is_list(offset) ? offset : [0, 0, offset];
@@ -67,7 +69,8 @@ module explode(d, explode_children = false, offset = [0,0,0]) {     //! Explode
         children();
 }
 
-module no_pose() let($posed = true, $zoomed = undef) children();    //! Force children not to be posed even if parent is
+module no_pose()                                                    //! Force children not to be posed even if parent is
+    let($posed = true, $zoomed = undef) children();
 
 module pose(a = [55, 0, 25], t = [0, 0, 0], exploded = undef, d = undef) //! Pose an STL or assembly for rendering to png by specifying rotation `a`, translation `t` and optionally `d`, `exploded = true for` just the exploded view or `false` for unexploded only.
     let($zoomed = is_undef(d)

utils/core/global.scad

@@ -38,10 +38,17 @@ function r2sides(r) = $fn ? $fn : ceil(max(min(360/ $fa, r * 2 * PI / $fs), 5));
 function r2sides4n(r) = floor((r2sides(r) + 3) / 4) * 4;                            //! Round up the number of sides to a multiple of 4 to ensure points land on all axes
 function limit(x, min, max) = max(min(x, max), min);                                //! Force x in range min <= x <= max
 
-module translate_z(z) translate([0, 0, z]) children();                              //! Shortcut for Z only translations
-module vflip(flip=true) rotate([flip ? 180 : 0, 0, 0]) children();                  //! Invert children by doing a 180&deg; flip around the X axis
-module hflip(flip=true) rotate([0, flip ? 180: 0, 0]) children();                   //! Invert children by doing a 180&deg; flip around the Y axis
-module ellipse(xr, yr) scale([1, yr / xr]) circle4n(xr);                            //! Draw an ellipse
+module translate_z(z)                                                               //! Shortcut for Z only translations
+    translate([0, 0, z]) children();
+
+module vflip(flip=true)                                                             //! Invert children by doing a 180&deg; flip around the X axis
+    rotate([flip ? 180 : 0, 0, 0]) children();
+
+module hflip(flip=true)                                                             //! Invert children by doing a 180&deg; flip around the Y axis
+    rotate([0, flip ? 180: 0, 0]) children();
+
+module ellipse(xr, yr)                                                              //! Draw an ellipse
+    scale([1, yr / xr]) circle4n(xr);
 
 function slice_str(str, start, end, s ="") = start >= end ? s : slice_str(str, start + 1, end, str(s, str[start])); // Helper for slice()
 

utils/core/polyholes.scad

@@ -103,7 +103,7 @@ module drill(r, h = 100, center = true) //! Make a cylinder for drilling holes s
 
 module 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.
     if(cnc_bit_r)
-        drill(r, h, center = true);
+        drill(r, h, center = center);
     else
         poly_cylinder(r, h, center);
 

utils/core_xy.scad

@@ -29,7 +29,7 @@
 //! 4. The drive pulleys may be offset in the X and Y directions. If this is done, extra idler pulleys are added. This
 //! allows flexible positioning of the motors.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 include <../vitamins/belts.scad>
 include <../vitamins/pulleys.scad>
 

utils/rounded_polygon.scad

@@ -24,7 +24,7 @@
 //! Because the tangents need to be calculated to find the length these can be calculated separately and re-used when drawing to save calculating them twice.
 //
 include <../utils/core/core.scad>
-use <../utils/maths.scad>
+use <maths.scad>
 
 function circle_tangent(p1, p2) = //! Compute the clockwise tangent between two circles represented as [x,y,r]
     let(
@@ -49,14 +49,14 @@ function rounded_polygon_arcs(points, tangents) = //! Compute the arcs at the po
             v2 = p2 - p,
             sr = points[i][2],
             r = abs(sr),
-            a = r < 0.001 ? 0 : let( aa = acos((v1 * v2) / sqr(r)) ) cross(v1, v2) * sign(sr) <= 0 ? aa : 360 - aa,
+            a = r < 0.001 ? 0 : let( aa = acos(limit((v1 * v2) / sqr(r), -1, 1)) ) cross(v1, v2) * sign(sr) <= 0 ? aa : 360 - aa,
             l = PI * a * r / 180,
             v0 = [r, 0],
             v = let (
                 vv = norm(v0 - v2) < 0.001 ? 0 : abs(v2.y) < 0.001 ? 180 :
-                        let( aa = acos((v0 * v2) / sqr(r)) ) cross(v0, v2) * sign(sr) <= 0 ? aa : 360 - aa
+                        let( aa = acos( limit((v0 * v2) / sqr(r), -1, 1)) ) cross(v0, v2) * sign(sr) <= 0 ? aa : 360 - aa
             ) sr > 0 ? 360 - vv : vv - a
-        ) [a, v, l]
+        ) [a, v % 360, l]
     ];
 
 function rounded_polygon_tangents(points) = //! Compute the straight sections between a point and the next point, for each section [start_point, end_point, length]
@@ -67,36 +67,29 @@ function rounded_polygon_tangents(points) = //! Compute the straight sections be
     ];
 
 // the cross product of 2D vectors is the area of the parallelogram between them. We use the sign of this to decide if the angle is bigger than 180.
-function rounded_polygon_length(points, tangents) = //! Calculate the length given the point list and the list of tangents computed by ` rounded_polygon_tangents`
+function rounded_polygon_length(points, tangents) = //! Calculate the length given the point list and the list of tangents computed by `rounded_polygon_tangents`
     let(
         arcs = rounded_polygon_arcs(points, tangents)
     ) sumv( map( concat(tangents, arcs), function(e) e[2] ) );
 
-module rounded_polygon(points, _tangents = undef) { //! Draw the rounded polygon from the point list, can pass the tangent list to save it being calculated
-    len = len(points);
-    indices = [0 : len - 1];
-    tangents = _tangents ? _tangents : rounded_polygon_tangents(points);
+function rounded_polygon(points, _tangents = undef) = //! Return the rounded polygon from the point list, can pass the tangent list to save it being calculated
+    let(
+        len = len(points),
+        tangents = _tangents ? _tangents : rounded_polygon_tangents(points),
+        arcs = rounded_polygon_arcs(points, tangents)
+    ) [for(i = [0 : len - 1], last = (i - 1 + len) % len, R = points[i][2]) each [
+        vec2(tangents[last][1]),                        // End of last tangent
+        if(R)                                               // If rounded
+            let(r = abs(R),                                     // Get radius
+                n = r2sides4n(r),                               // Decide number of vertices
+                step = 360 / n,                                 // Angular step
+                arc = arcs[i],                                  // Get corner arc details
+                start = ceil(arc[1] / step + eps),              // Starting index
+                end = floor((arc[0] + arc[1]) / step - eps),    // Ending index
+                c = vec2(points[i])                             // Centre of arc
+            ) for(j = R > 0 ? [end : -1 : start] : [start : 1 : end], a = j * step) c + r * [cos(a), sin(a)], // Points on the arc
+        vec2(tangents[i][0])]                           // Start of next tangent
+       ];
 
-    difference() {
-        union() {
-            for(i = indices, last = (i - 1 + len) % len)
-                if(points[i][2] > 0)
-                    hull() {
-                        translate(vec2(points[i]))
-                            circle(points[i][2]);
-
-                        polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
-                    }
-
-            polygon([for(t = tangents) each(vec2(t))], convexity = points);
-        }
-        for(i = indices, last = (i - 1 + len) % len)
-            if(points[i][2] < 0)
-                hull() {
-                    translate(vec2(points[i]))
-                        circle(-points[i][2]);
-
-                    polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
-                }
-     }
-}
+module rounded_polygon(points, _tangents = undef) //! Draw the rounded polygon from the point list, can pass the tangent list to save it being calculated
+    polygon(rounded_polygon(points, _tangents), convexity = len(points));

vitamins/component.scad

@@ -54,9 +54,9 @@ module resistor(type) { //! Draw specified type of resitor
             for(side= [-1,1])
                 translate([side *  dia / 6, 0, length / 2])
                     rotate([0, splay_angle * side, 0])
-                        cylinder(r = resistor_wire_diameter(type) / 2, h = resistor_wire_length(type), center = false);
+                        cylinder(r = resistor_wire_diameter(type) / 2, h = resistor_wire_length(type), center = false, $fn = 16);
         else
-            cylinder(r = resistor_wire_diameter(type) / 2, h = length + 2 * resistor_wire_length(type), center = true);
+            cylinder(r = resistor_wire_diameter(type) / 2, h = length + 2 * resistor_wire_length(type), center = true, $fn = 16);
     //
     // Sleeving
     //
@@ -66,7 +66,7 @@ module resistor(type) { //! Draw specified type of resitor
                 for(side= [-1, 1])
                     translate([side *  resistor_diameter(type) / 6, 0, length / 2]) {
                         rotate([0, splay_angle * side, 0])
-                            cylinder(r = resistor_wire_diameter(type) / 2 + 0.1, h = resistor_wire_length(type) - 5, center = false);                   }
+                            cylinder(r = resistor_wire_diameter(type) / 2 + 0.1, h = resistor_wire_length(type) - 5, center = false, $fn = 16);                   }
     //
     // Body
     //
@@ -223,7 +223,7 @@ module  TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
     body = 8;
     hole_y = 2.9;
 
-    vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), arg(lead_length, 16, "lead_length"), "): ", description));
+    vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), "): ", description));
 
     translate([0, -length + hole_y]) {
         color("silver") {
@@ -257,6 +257,79 @@ module  TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
         children();
 }
 
+function TO247_size() = [15.7, 20.82, 4.82, 5.58, 2.5, 3.8]; //! Body dimensions of a T247, hole offset, lead height and lead wide length
+
+module  TO247(description, lead_length = 20) { //! Draw a TO247 package, use `description` to describe what it is
+    size =  TO247_size();
+    hole_y = size[3];
+    lead_height = size[4];
+    lead_l = size[5];
+    metal = [12.81, 13.08, 1.5];
+    metal_y_offset = 1.35;
+    hole = 3.5;
+    metal_hole = 6.85;
+    lead_t = 0.61;
+    lead_w2 = 2.5;
+    lead_w = 1.25;
+    lead_pitch = 5.56;
+
+    vitamin(str("TO247(\"", description, "\"): ", description));
+
+    module body_shape()
+        difference() {
+            translate([-size.x / 2, 0])
+                square([size.x, size.y]);
+
+            translate([0, size.y - hole_y])
+                circle(d = hole);
+        }
+
+    translate([0, -size.y + hole_y]) {
+        color("silver") {
+            linear_extrude(metal.z)
+                difference() {
+                    translate([-metal.x / 2, size.y - metal.y - metal_y_offset])
+                        square([metal.x, metal.y]);
+
+                    translate([0, size.y - hole_y])
+                        circle(d = metal_hole);
+                }
+
+            translate_z(lead_height)
+                linear_extrude(lead_t)
+                    intersection() {
+                        for(i = [-1 : 1]) {
+                            length = is_list(lead_length) ? lead_length[i + 1] : lead_length;
+                            translate([lead_pitch * i, -length / 2, lead_height])
+                                square([lead_w, length], center = true);
+
+                            translate([lead_pitch * i, -lead_l / 2, lead_height])
+                                square([lead_w2, lead_l], center = true);
+                        }
+                        square([2 * lead_pitch + lead_w, 100], center = true);
+                    }
+        }
+
+        color("dimgrey")
+            translate_z(eps) {
+                linear_extrude(metal.z - 2 * eps)
+                    body_shape();
+
+                linear_extrude(size.z)
+                    difference() {
+                        body_shape();
+
+                        for(side = [-1, 1])
+                            translate([side * size.x / 2, size.y - hole_y])
+                                circle(d = 5);
+                    }
+
+            }
+    }
+    translate_z(size.z)
+        children();
+}
+
 panel_USBA_pitch = 30;
 
 module panel_USBA_hole_positions() //! Place children at hole positions

vitamins/components.scad

@@ -27,7 +27,7 @@ RIE1212UB5C5R6 = [ "RIE1212UB5C5R6", "Resistor UB5C 5R6F 5R6 3W vitreous enamel"
 //
 Honewell       = [ "Honewell",  "Thermistor Honeywell 135-104LAC-J01 100K 1%",   4.75, 1.8, 0.5,  28.6,  2, "red",                        false];
 Epcos          = [ "Epcos",     "Thermistor Epcos B57560G104F 100K 1%",          4.6,  2.5, 0.3,  67,  2.5, [0.8, 0.8, 0.8, 0.25], true,  false];
-EpcosBlue      = [ "EpcosBlue", "Thermistor Epcos B57861S104F40 100K 1%",        6.5,  2.41,0.25, 43.5,2.5, "black",               true,  true];
+EpcosBlue      = [ "EpcosBlue", "Thermistor Epcos B57861S104F40 100K 1%",        4.5,  2.41,0.25, 43.5,2.5, "black",               true,  true];
 
 resistors = [Honewell, Epcos, EpcosBlue, RWM04106R80J, RIE1212UB5C5R6];
 //

vitamins/extrusion.scad

@@ -138,6 +138,6 @@ module extrusion(type, length, center = true, cornerHole = false) { //! Draw the
     vitamin(str("extrusion(", type[0], ", ", length, arg(cornerHole, false, "cornerHole"), "): Extrusion ", type[0], " x ", length, "mm"));
 
     color(grey(90))
-        linear_extrude(length, center = center)
+        linear_extrude(length, center = center, convexity = 8)
             extrusion_cross_section(type, cornerHole);
 }

vitamins/fuseholder.scad

@@ -68,7 +68,7 @@ module fuseholder(thickness) { //! Fuseholder with nut in place for specified pa
     colour = grey(40);
     vflip()
         translate_z(thickness)
-            explode(height) {
+            explode(height, explode_children = true) {
                 color(colour) {
                     tube(or = nut_d / 2, ir = thread_d / 2, h = nut_flange_t, center = false);
 
@@ -79,7 +79,7 @@ module fuseholder(thickness) { //! Fuseholder with nut in place for specified pa
                             circle(d = thread_d);
                         }
                 }
-                if(show_threads)
+                if(show_threads && exploded())
                     female_metric_thread(thread_d, thread_p, nut_t, false, colour = colour);
             }
     //

vitamins/hot_end.scad

@@ -22,8 +22,6 @@
 //!
 //! Needs updating as mostly obsolete versions.
 //
-include <../core.scad>
-
 function hot_end_style(type)              = type[1];    //! Basic type, jhead or e3d
 function hot_end_part(type)               = type[2];    //! Description
 function hot_end_total_length(type)       = type[3];    //! Length from nozzle tip to the top
@@ -35,7 +33,7 @@ function hot_end_groove_dia(type)         = type[8];    //! Groove internal diam
 function hot_end_groove(type)             = type[9];    //! Groove length
 function hot_end_duct_radius(type)        = type[10];   //! Require radius to clear the heater block
 function hot_end_duct_offset(type)        = type[11];   //! Offset of circular duct centre from the nozzle
-function hot_end_need_cooling(type)       = hot_end_style(type) != e3d; //! Has own fan so don't need cooling hole in the duct
+function hot_end_need_cooling(type)       = hot_end_style(type) != "e3d"; //! Has own fan so don't need cooling hole in the duct
 function hot_end_duct_height_nozzle(type) = type[12];   //! Duct height at nozzle end
 function hot_end_duct_height_fan(type)    = type[13];   //! Duct height at fan end
 
@@ -45,9 +43,10 @@ use <jhead.scad>
 use <e3d.scad>
 
 module hot_end(type, filament, naked = false, resistor_wire_rotate = [0,0,0], bowden = false) { //! Draw specified hot end
-    if(hot_end_style(type) == jhead)
+    if(hot_end_style(type) == "jhead")
         jhead_hot_end_assembly(type, filament, naked);
-
-    if(hot_end_style(type) == e3d)
+    else if(hot_end_style(type) == "e3d")
         e3d_hot_end_assembly(type, filament, naked, resistor_wire_rotate, bowden);
+    else
+        assert(false, "Invalid hotend style");
 }

vitamins/hot_ends.scad

@@ -33,10 +33,10 @@
 //                                                                                       h      t     s   t              t     t
 //                                                                                              h
 //
-JHeadMk5  = ["JHeadMk5",  jhead, "JHead MK5",         51.2,  4.75,16,    40, grey(20),   12,    4.64, 13, [0, 2.38, -5], 20,   20];
-E3Dv5     = ["E3Dv5",     e3d,   "E3D V5 direct",       70,  3.7, 16,  50.1, "silver",   12,    6,    15, [1, 5,  -4.5], 14.5, 28];
-E3Dv6     = ["E3Dv6",     e3d,   "E3D V6 direct",       62,  3.7, 16,  42.7, "silver",   12,    6,    15, [1, 5,  -4.5], 14,   21];
-E3D_clone = ["E3D_clone", e3d,   "E3D clone aliexpress",66,  6.8, 16,    46, "silver",   12,    5.6,  15, [1, 5,  -4.5], 14.5, 21];
+JHeadMk5  = ["JHeadMk5", "jhead","JHead MK5",         51.2,  4.75,16,    40, grey(20),   12,    4.64, 13, [0, 2.38, -5], 20,   20];
+E3Dv5     = ["E3Dv5",     "e3d", "E3D V5 direct",       70,  3.7, 16,  50.1, "silver",   12,    6,    15, [1, 5,  -4.5], 14.5, 28];
+E3Dv6     = ["E3Dv6",     "e3d", "E3D V6 direct",       62,  3.7, 16,  42.7, "silver",   12,    6,    15, [1, 5,  -4.5], 14,   21];
+E3D_clone = ["E3D_clone", "e3d", "E3D clone aliexpress",66,  6.8, 16,    46, "silver",   12,    5.6,  15, [1, 5,  -4.5], 14.5, 21];
 
 hot_ends = [JHeadMk5, E3Dv5, E3Dv6, E3D_clone];
 

vitamins/iec.scad

@@ -20,7 +20,7 @@
 //
 //! IEC mains inlets and outlet.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 use <screw.scad>
 use <nut.scad>
 use <washer.scad>
@@ -203,9 +203,10 @@ module iec(type) { //! Draw specified IEC connector
 function iec_spade_depth(type) = iec_depth(type) + max([for(spade = iec_spades(type)) spade[1]]);
 
 module iec_screw_positions(type) //! Position children at the screw holes
-    for(side = [-1, 1])
-        translate([side * iec_pitch(type) / 2, 0])
-            children();
+    if(iec_pitch(type))
+        for(side = [-1, 1])
+            translate([side * iec_pitch(type) / 2, 0])
+                children();
 
 module iec_holes(type, h = 100, poly = false, horizontal = false, insert = false) { //! Drill the required panel holes
     clearance = 0.2;

vitamins/iecs.scad

@@ -59,7 +59,8 @@ IEC_320_C14_switched_fused_inlet = ["IEC_320_C14_switched_fused_inlet", "IEC320
                                                                      M3_cs_cap_screw, 40,  27, 16,46.8,3,28,   48, 2.4, 1.0, 33,   57, 4, 3.0, 48,16.5, iec320c14FusedSwitchedSpades,  false ];
 IEC_inlet       = ["IEC_inlet",       "IEC inlet",                   M3_cs_cap_screw, 40, 28, 18, 20, 3, 28,   20.5, 4, 2.5, 37,   23, 1, 2.5, 48, 14, inlet_spades,  false ];
 IEC_inlet_atx   = ["IEC_inlet_atx",   "IEC inlet for ATX",           M3_cs_cap_screw, 40, 27, 18, 19, 3, 30.5, 22,   2, 2.0, 30.5, 22, 2, 4.0, 50, 15, atx_spades,    false ];
+IEC_inlet_atx2  = ["IEC_inlet_atx2",  "IEC pressfit inlet for ATX",  M3_cs_cap_screw,  0, 27, 18, 19, 3, 30.5, 22,   1, 0,   30.5, 22, 1, 4.0, 50, 15, atx_spades,    false ]; // lugless
 IEC_outlet      = ["IEC_outlet",      "IEC outlet RS 811-7193",      M3_cs_cap_screw, 40, 32, 18, 24, 3, 28,   20.5, 2, 0.0, 29,   29, 2, 2.8, 50, 23, outlet_spades, true ];
 
-iecs = [IEC_inlet, IEC_inlet_atx, IEC_fused_inlet, IEC_fused_inlet2, IEC_320_C14_switched_fused_inlet, IEC_outlet];
+iecs = [IEC_inlet_atx2, IEC_inlet, IEC_inlet_atx, IEC_fused_inlet, IEC_fused_inlet2, IEC_320_C14_switched_fused_inlet, IEC_outlet];
 use <iec.scad>

vitamins/jack.scad

@@ -29,10 +29,11 @@ use <../utils/thread.scad>
 use <ring_terminal.scad>
 
 function jack_4mm_hole_radius() = 8/2; //! Panel hole radius for 4mm jack
+function jack_4mm_flange_radius() = 10.6 / 2; //! 4mm jack socket flange radius
 
 module jack_4mm(colour, thickness, display_colour = false) { //! Draw a 4mm jack socket with nut positioned for specified panel thickness
     vitamin(str("jack_4mm(\"", colour, "\", 3", arg(display_colour, false), "): 4mm jack socket ", colour));
-    flange_d = 10.6;
+    flange_r = jack_4mm_flange_radius();
     flange_t = 3;
     flange_id = 4.6;
     length = 28.5;
@@ -50,7 +51,7 @@ module jack_4mm(colour, thickness, display_colour = false) { //! Draw a 4mm jack
     explode(length, offset = -length + flange_t) {
         color(display_colour ? display_colour : colour) rotate_extrude() difference() {
             union() {
-                square([flange_d / 2, flange_t]);
+                square([flange_r, flange_t]);
 
                 translate([0, -sleaved])
                     square([sleaved_d / 2, sleaved]);
@@ -77,11 +78,86 @@ module jack_4mm(colour, thickness, display_colour = false) { //! Draw a 4mm jack
                 spade(spade4p8l, spade);
     }
     translate_z(-thickness)
-        explode(-length)
+        explode(-length, explode_children = true)
             vflip() {
                 color(silver)
                     tube(ir = thread_d / 2, or = nut_d / 2, h = nut_t, center = false);
 
+                if(show_threads && exploded())
+                    female_metric_thread(thread_d, thread_p, nut_t, false, colour = silver);
+            }
+}
+
+function jack_4mm_plastic_flange_radius() = 11.66 / 2; //! 4mm plastic jack socket flange radius
+
+module jack_4mm_plastic(colour, thickness, display_colour = false) { //! Draw a 4mm plastic jack socket with nut positioned for specified panel thickness
+    vitamin(str("jack_4mm_plastic(\"", colour, "\", 3", arg(display_colour, false), "): 4mm plastic jack socket ", colour));
+    flange_r2 = jack_4mm_plastic_flange_radius();
+    flange_d1 = 10.75;
+    flange_t = 4;
+    flange_id1 = 7.66;
+    flange_id2 = 5.12;
+
+    length = 19.6;
+    sleaved_d = 6.4;
+    thread = 16;
+    thread_d = 8;
+    thread_p = 0.75;
+
+    barrel_d = 5.4;
+    barrel = 18.5;
+
+    solder_bucket = [3.75 / 2, 2.4 / 2, 5.6];
+
+    nut_d = 10.8;
+    nut_t = 3;
+
+    colour = display_colour ? display_colour : colour;
+    explode(length, offset = -length + flange_t) {
+        color(colour) rotate_extrude() difference() {
+            union() {
+                polygon([
+                    [flange_id2 / 2, -eps],
+                    [flange_id1 / 2, flange_t],
+                    [flange_d1 / 2,  flange_t],
+                    [flange_r2,      -eps],
+                ]);
+
+                translate([0, -length])
+                    square([sleaved_d / 2, length]);
+
+                translate([0, -thread])
+                    square([(thread_d - (show_threads ? thread_p : 0)) / 2, thread]);
+            }
+            square([4.1, 2 * length +1], center = true);
+        }
+        color(silver) rotate_extrude() {
+            difference() {
+                translate([0, -length + eps])
+                    square([barrel_d / 2, length]);
+
+                square([4, 2 * (barrel - 1)], center = true);
+            }
+            translate([solder_bucket.y, -length - solder_bucket.z])
+                square([solder_bucket.x - solder_bucket.y, solder_bucket.z]);
+        }
+        if(show_threads)
+            color(colour)
+                translate_z(-thread)
+                    male_metric_thread(thread_d, thread_p, thread, false, solid = false);
+
+    }
+    translate_z(-thickness)
+        explode(-length)
+            vflip() {
+                color(silver)
+                    linear_extrude(nut_t)
+                        difference() {
+                            circle(d = nut_d, $fn = 6);
+
+                            circle(d = thread_d);
+                        }
+
                 if(show_threads)
                     female_metric_thread(thread_d, thread_p, nut_t, false, colour = silver);
             }

vitamins/module.scad

@@ -20,7 +20,9 @@
 //
 //! Random screw down modules. Currently just DROK buck converters.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
+use <screw.scad>
+use <nut.scad>
 
 function mod_part(type)   = type[1];        //! Description
 function mod_length(type) = type[2];        //! Body length

vitamins/pcb.scad

@@ -859,7 +859,28 @@ module terminal_35(ways, colour = "blue") { //! Draw 3.5mm terminal block
             single();
 }
 
-module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version.
+module molex_254_housing(ways) { //! Draw a Molex KK housing
+    vitamin(str("molex_254_housing(", ways, "): Molex KK housing ", ways, " way"));
+    pitch = 2.54;
+    width = ways * pitch + 0.6;
+    depth = 4.9;
+    height = 12.8;
+    header_depth = 6.35;
+    tab = [1.73, 0.96, 2.15];
+
+    color("white")
+        translate([(header_depth - depth) / 2, 0]) {
+            linear_extrude(height)
+                square([depth, width], center = true);
+
+            for(side = [-1, 1])
+                translate([-depth / 2 - tab.x / 2, side * (pitch / 2 - tab.y / 4) * ways, tab.z / 2])
+                    cube(tab, center = true);
+
+        }
+}
+
+module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex KK header, set `right_angle` to 1 for normal right angle version or -1 for inverted right angle version.
     vitamin(str("molex_254(", ways, "): Molex KK header ", ways, " way"));
     pitch = 2.54;
     width = ways * pitch - 0.1;
@@ -872,10 +893,11 @@ module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex header, s
     pin_w = 0.64;
     r = 1;
     a = right_angle ? width / 2 - r - pin_w / 2 : above;
-    ra_offset = 2.72;
+    ra_offset = 2.2;
+
     color("white")
         translate(right_angle ? [-ra_offset, 0, depth / 2] : [ 0, 0, 0])
-            rotate(right_angle ? right_angle > 0 ? [180, 90, 0] : [0, -90, 0] : [ 0, 0, 0])
+            rotate(right_angle ? right_angle > 0 ? [180, 90, 0] : [0, -90, 0] : [ 0, 0, 0]) {
                 union() {
                     translate([ -depth / 2, -width / 2,])
                         cube([depth, width, base]);
@@ -885,6 +907,11 @@ module molex_254(ways, right_angle = 0, skip = undef) { //! Draw molex header, s
                         cube([back, w, height]);
                  }
 
+                 if(show_plugs)
+                    translate_z(base + 0.1)
+                        molex_254_housing(ways);
+            }
+
     color("silver")
         for(i = [0 : ways -1])
             if(is_undef(skip) || !in(skip, i))
@@ -1007,9 +1034,11 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
     function param(n, default = 0) = len(comp) > n ? comp[n] : default;
     rotate(comp.z) {
         // Components that have a cutout parameter go in this section
-        if(show(comp, "2p54header"))    pin_header(2p54header, comp[4], comp[5], param(6, false), param(8, false), cutouts, colour = param(7, undef));
+        if(show(comp, "2p54header")) let($show_plugs = show_plugs && param(9, true))
+                                        pin_header(2p54header, comp[4], comp[5], param(6, false), param(8, false), cutouts, colour = param(7, undef));
         if(show(comp, "2p54joiner"))    pin_header(2p54joiner, comp[4], comp[5], param(6, false), param(8, false), cutouts, colour = param(7, undef));
-        if(show(comp, "2p54boxhdr"))    box_header(2p54header, comp[4], comp[5], param(6, false), cutouts);
+        if(show(comp, "2p54boxhdr")) let($show_plugs = show_plugs && param(7, true))
+                                        box_header(2p54header, comp[4], comp[5], param(6, false), cutouts);
         if(show(comp, "2p54socket"))    pin_socket(2p54header, comp[4], comp[5], param(6, false), param(7, 0), param(8, false), cutouts, param(9, undef));
         if(show(comp, "chip"))          chip(comp[4], comp[5], comp[6], param(7, grey(30)), cutouts);
         if(show(comp, "rj45"))          rj45(cutouts);
@@ -1109,7 +1138,8 @@ module pcb_grid_components(type, components, cutouts = false, angle = undef) //!
     }
 
 
-module pcb_cutouts(type, angle = undef) pcb_components(type, true, angle); //! Make cut outs to clear components on a PCB
+module pcb_cutouts(type, angle = undef)  //! Make cut outs to clear components on a PCB
+    pcb_components(type, true, angle);
 
 module pcb_grid_positions(type) {
     grid =  pcb_grid(type);

vitamins/pcbs.scad

@@ -856,7 +856,7 @@ ArduinoNano = let(l = 43.18, w = 17.78, pitch = inch(0.6), pins = 15, poffset =
     [ // components
       [l / 2 + poffset, w / 2 - pitch / 2,  0, "-2p54joiner", pins, 1],
       [l / 2 + poffset, w / 2 + pitch / 2,  0, "-2p54joiner", pins, 1],
-      [l / 2 + poffset + inch(0.75), w / 2, 0, "2p54header",  2,    3],
+      [l / 2 + poffset + inch(0.75), w / 2, 0, "2p54header",  2,    3, false, undef, false, false],
       [1.75, w / 2, 180, "usb_uA" ],
       [l / 2 - inch(0.25), w / 2, 45, "chip", 7, 7, 1.3],
       [l / 2 + poffset + inch(0.15), w / 2,    0, "chip", 3.5, 6,   1.8, silver ], // mock button
@@ -868,7 +868,7 @@ ArduinoNano = let(l = 43.18, w = 17.78, pitch = inch(0.6), pins = 15, poffset =
     [(l - inch(pins - 1) / 10) / 2 + poffset, (w - pitch) / 2, pins, 2, silver, 2.54, pitch], // 15x2 grid of holes
 ];
 
-KY_040 = ["KY_040", "KY_-040 rotart encoder breakout",
+KY_040 = ["KY_040", "KY-040 rotart encoder breakout",
     26.3, 19.5, 1.6, 0, 3, 0, grey(20),  false,
     [
      [3.23 + 1.5, 1.3 + 1.5],

vitamins/pin_header.scad

@@ -21,6 +21,8 @@ include <../utils/core/core.scad>
 use <../utils/dogbones.scad>
 
 panel_clearance = 0.2;
+housing_height = 14.12;  // measured height of a Dupont connector.
+housing_colour = grey(25);
 
 function hdr_pitch(type)        = type[1];  //! Header pitch
 function hdr_pin_length(type)   = type[2];  //! Header pin length
@@ -96,7 +98,7 @@ module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cu
             }
             // Insulator
             translate([0, right_angle ? -ra_offset - (rows - 1) * pitch / 2 : 0, right_angle ? width / 2 : 0])
-                rotate([right_angle ? 90 : 0, 0, 0])
+                rotate([right_angle ? 90 : 0, 0, 0]) {
                     color(base_colour)
                         linear_extrude(h)
                             for(x = [0 : cols - 1], y = [0 : rows - 1])
@@ -107,12 +109,18 @@ module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cu
 
                                         square([pitch - chamfer, pitch + eps], center = true);
                                     }
+                    if(show_plugs && hdr_pin_length(type) > 7)
+                        color(housing_colour)
+                            translate_z(h + eps)
+                                linear_extrude(housing_height)
+                                    square([cols * pitch , rows * pitch], center = true);
+                }
         }
     }
 }
 
 module box_header(type, cols = 1, rows = 1, smt = false, cutout = false) { //! Draw box header
-    pitch =  hdr_pitch(type);
+    pitch = hdr_pitch(type);
     size = hdr_box_size(type);
     w = cols * pitch + 7.62;
     l = rows * pitch + 3.52;
@@ -144,6 +152,11 @@ module box_header(type, cols = 1, rows = 1, smt = false, cutout = false) { //! D
                             square([4.5, 4.5], center = true);
                     }
             }
+            if(show_plugs)
+                color(housing_colour)
+                    translate_z(base)
+                        linear_extrude(housing_height)
+                            square([cols * pitch, rows * pitch], center = true);
         }
     }
 }

vitamins/potentiometer.scad

@@ -40,12 +40,52 @@ function pot_spigot(type)   = type[9];  //! Spigot width, length and height abov
 function pot_spigot_x(type) = type[10]; //! Spigot offset from the shaft centre
 function pot_shaft(type)    = type[11]; //! Diameter, flat diameter, length and flat/slot length and colour. If flat diameter is less than the radius then it is a slot width
 function pot_neck(type)     = type[12]; //! Diameter and length of the shaft neck
+function pot_nut(type)      = type[13]; //! Across flat diameter and thickness of the nut
+function pot_washer(type)   = type[14]; //! Outside diameter and thickness of the washer
 
 function pot_size(type) = let(d = pot_body(type)) len(d) > 3 ? [d.x , d.y, d.z] : [d.x, d.x, d.y]; //! Get pot body dimensions
 
-function pot_z(type) = pot_thread_h(type) - pot_nut_t - pot_proud; //! Ideal distance behind panel surface to get the nut on comfortably
+function pot_z(type, washer = true) = pot_thread_h(type) - pot_nut(type)[1] - pot_proud - (washer ? pot_washer(type)[1] : 0); //! Ideal distance behind panel surface to get the nut and washer on comfortably
 function pot_spigot_r(type) = let(sp = pot_spigot(type)) sp.x > 2 * spigot_r ? spigot_r : 0;
 
+module pot_nut(type, washer = true) { //! Draw the nut for a potentiometer and possibly a washer
+    nut = pot_nut(type);
+    washer = washer ? pot_washer(type) : false;
+    nut_z = washer ? washer[1] : 0;
+    thread_d = pot_thread_d(type);
+    vflip() explode(23, explode_children = true) {
+        if(washer)
+            color(washer[2])
+                linear_extrude(washer[1])
+                    difference() {
+                        circle(d = washer.x);
+
+                        circle(d =  thread_d);
+
+                        serations = washer[3];
+                        if(serations)
+                            for(i = [1 : serations])
+                                rotate(i * 360 / serations)
+                                    translate([thread_d / 2, 0])
+                                        square([(washer.x - thread_d) / 2, PI * thread_d / (2 * serations)], center = true);
+                    }
+
+        if(nut)
+            color(nut[2])
+                translate_z(nut_z + exploded() * 10) {
+                    linear_extrude(nut[1])
+                        difference() {
+                            circle(d = nut.x / cos(30), $fn = 6);
+
+                            circle(d =  thread_d);
+                        }
+
+                    if(show_threads && exploded())
+                        female_metric_thread(thread_d, pot_thread_p(type), nut[1], center = false, colour = nut[2]);
+                }
+    }
+}
+
 module potentiometer(type, thickness = 3, shaft_length = undef) {//! Draw a potentiometer with nut spaced by specified thickness
     bh = pot_boss_h(type);
     s = pot_size(type);

vitamins/potentiometers.scad

@@ -17,11 +17,11 @@
 // If not, see <https://www.gnu.org/licenses/>.
 //
 //! Potentiometers and rotary encoders
-//                body     h     r     face               wafer                 gangs thread d   pitch       h     boss  h    spigot w, l, h  offset  shaft d flat h flat h   colour     neck
-imperial_pot_x2 = [[24,     22.5, 1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  2,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, silver],   [0, 0]];
-imperial_pot    = [[24,     12,   1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  1,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, grey(95)], [0, 0]];
-metric_pot      = [[23,     11,   1.0], [0, 15.33, 0.8],   [18, 27, 1.2, false], 1,   10,        0.75,       7.32, 13.9, 2.5, [1.12, 2.88, 1.26], 11, [6.27, 5.5, 43.8, 43.5, grey(50)], [0, 0]];
-KY_040_encoder  = [[12, 12, 6.5,  1.0], false,             false,                1,    7,        0.75,       7,    0,    0,   [0.4,  2,     0.8],5.8, [6,    4.5, 13,   10,   grey(60)], [4, 0.5]];
+//                 body     h     r     face               wafer                 gangs thread d  pitch       h     boss  h    spigot w, l, h  offset  shaft d flat d shaft h flat h colour neck   nut                  washer
+imperial_pot_x2 = [[24,     22.5, 1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  2,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, silver],   [0, 0],  [13.3, 2.4, brass],  [17.4, 0.8, grey(20), 9]];
+imperial_pot    = [[24,     12,   1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  1,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, grey(95)], [0, 0],  [13.3, 2.4, brass],  [17.4, 0.8, grey(20), 9]];
+metric_pot      = [[23,     11,   1.0], [0, 15.33, 0.8],   [18, 27, 1.2, false], 1,   10,        0.75,       7.32, 13.9, 2.5, [1.12, 2.88, 1.26], 11, [6.27, 5.5, 43.8, 43.5, grey(50)], [0, 0],  [12.8, 2,   silver], [17.7, 0.8, grey(20), 10]];
+KY_040_encoder  = [[12, 12, 6.5,  1.0], false,             false,                1,    7,        0.75,       7,    0,    0,   [0.4,  2,     0.8],5.8, [6,    4.5, 13,   10,   grey(60)], [4, 0.5],[9.8,  2.2, silver], [11.5, 0.4, silver]];
 BTT_encoder     = [[12, 11, 6,    0.5], false,             false,                1,    6,        0.8,        4.5,  0,    0,   false,               0, [5,    0.75, 9.5, 9,    silver],   [3, 0.5]];
 
 potentiometers = [BTT_encoder, KY_040_encoder, metric_pot, imperial_pot, imperial_pot_x2];

vitamins/psu.scad

@@ -39,6 +39,7 @@ function psu_face_fan(type)          = type[4];     //! Fan x,y position and typ
 function psu_face_iec(type)          = type[5];     //! IEC connector x,y, rotation and type
 function psu_face_switch(type)       = type[6];     //! Rocker switch x,y, rotation and type
 function psu_face_vents(type)        = type[7];     //! Vents array position x,y, rotation, size and corner radius
+function psu_face_cutout(type)       = type[8];     //! Panel cutout to accommodate this face, e.g. for ATX
 
 function psu_name(type)              = type[1];     //! The part name
 function psu_length(type)            = type[2];     //! Length
@@ -124,19 +125,23 @@ function psu_face_transform(type, face) =           //! Returns a transformation
         translations = [h / 2, h / 2, l / 2 - left, l / 2 - right, w / 2, w / 2]
     ) translate([0, 0, h / 2]) * rotate(rotations[face]) * translate([0, 0, translations[face]]);
 
-grill_hole = 4.5;
-grill_gap = 1.5;
-module psu_grill(width, height) {
-    nx = floor(width / (grill_hole + grill_gap));
+module psu_grill(width, height, grill_hole = 4.5, grill_gap = 1.5, fn = 0, avoid = []) {
+    nx = floor(width / (grill_hole + grill_gap)) + 1;
     xpitch = width / nx;
-    ny = floor(height / ((grill_hole + grill_gap) * cos(30)));
+    ny = floor(height / ((grill_hole + grill_gap) * cos(30))) + 1;
     ypitch = height / ny;
+    r = grill_hole / 2;
+    avoid = avoid ? [for(p = avoid) [[p.x - p[2] / 2 - r, p.y - p[3] / 2 - r], [p.x + p[2] / 2 + r, p.y + p[3] / 2 + r]]] : false;
+
+    function in(regions, x, y) = [for(r = regions) if(x >= r[0].x && x <= r[1].x && y >= r[0].y && y <= r[1].y) true];
 
     for(y = [0 : ny - 1], x = [0 : nx - 1 - (y % 2)]) {
         x = -width / 2 + (x + 0.5 + (y % 2) / 2) * xpitch;
         y = -height / 2 + (y + 0.5) * ypitch;
-        translate([x, y])
-            circle(d = grill_hole);
+        if(!avoid || !in(avoid, x, y))
+            translate([x, y])
+                rotate(30)
+                    circle(r, $fn = fn);
     }
 }
 
@@ -185,12 +190,20 @@ module psu(type) { //! Draw a power supply
                                     translate(h)
                                         drill(screw_pilot_hole(psu_screw(type)), 0);
 
-                                if(psu_face_grill(f)) {
-                                    mx = 6;
-                                    my1 = i == f_top && psu_face_grill(faces[f_back]) ? 0 : 6;
-                                    my2 = i == f_back && psu_face_grill(faces[f_top]) ? 0 : 6;
-                                    translate([0, (my2 - my1) / 2])
-                                        psu_grill(xw - 2 * mx, yw - my1 - my2);
+                                g = psu_face_grill(f);
+                                if(g) {
+                                    list = is_list(g);
+                                    hole = list ? g[0] : 4.5;
+                                    gap = list ? g[1] : 1.5;
+                                    fn = list ? g[2] : 0;
+                                    margins = list ? g[3] : [6, 6, 6, 6];
+                                    avoid = list ? g[4] : [];
+                                    mx1 = margins[0];
+                                    mx2 = margins[1];
+                                    my1 = i == f_top && psu_face_grill(faces[f_back]) ? 0 : margins[2];
+                                    my2 = i == f_back && psu_face_grill(faces[f_top]) ? 0 : margins[3];
+                                    translate([(mx1 - mx2) / 2, (my2 - my1) / 2])
+                                        psu_grill(xw - mx1 - mx2, yw - my1 - my2, grill_hole = hole, grill_gap = gap, fn = fn, avoid = avoid);
                                 }
                                 if(fan)
                                     translate([fan.x, fan.y]) intersection() {
@@ -234,7 +247,7 @@ module psu(type) { //! Draw a power supply
                             }
 
                         if(iec)
-                            translate([iec.x, iec.y])
+                            translate([iec.x, iec.y, t])
                                 rotate(iec.z)
                                     iec_assembly(iec[3], t);
 
@@ -333,22 +346,9 @@ module psu_screw_positions(type, face = undef) { //! Position children at the sc
                     children();
 }
 
-module atx_psu_cutout(type) { //! Cut out for the rear of an ATX
-    holes = psu_face_holes(psu_faces(type)[f_front]);
-    translate([holes[0].x, -psu_width(type) / 2, psu_height(type) / 2 + holes[0].y])
-        rotate([90, 0, 0])
-            linear_extrude(100, center = true)
-                round(5)
-                polygon([ // https://www.techpowerup.com/forums/threads/pc-component-dimensions.157239, tweaked
-                    [18.7, -13],
-                    [ 5.7,   0],
-                    [ 5.7,  54],
-                    [18.7,  67],
-                    [127,   67],
-                    [140,   67 - 13 / tan(52)],
-                    [140,   -5 + 11 / tan(52)],
-                    [129,   -5],
-                    [81.3,  -5],
-                    [73.3, -13],
-                ]);
+module atx_psu_cutout(type, face = f_front) { //! Cut out for the rear of an ATX, which is actually f_front!
+    multmatrix(psu_face_transform(type, face))
+        linear_extrude(100, center = true)
+            round(5)
+                polygon(psu_face_cutout(psu_faces(type)[face]));
 }

vitamins/psus.scad

@@ -62,12 +62,64 @@ ATX500 =
             [[], 0.8, []],
             [[], 0.8, []],
             [[], 0.8, []],
-            [[[-69, -27], [-69,  37], [69,  37], [45, -37]], 0.8, [], false, [-25, 0, fan80x25], [45, -19.6, 180, IEC_inlet_atx], [45, 23, 90, small_rocker]],
+            [[[-69, -27], [-69,  37], [69,  37], [45, -37]], 0.8, [], false, [-25, 0, fan80x25], [45, -19.6, 180, IEC_inlet_atx], [45, 23, 90, small_rocker], false,
+             let(h0 = [-69, -27]) [ // https://www.techpowerup.com/forums/threads/pc-component-dimensions.157239, tweaked
+                [18.7, -13] + h0,
+                [ 5.7,   0] + h0,
+                [ 5.7,  54] + h0,
+                [18.7,  67] + h0,
+                [127,   67] + h0,
+                [140,   67 - 13 / tan(52)] + h0,
+                [140,   -5 + 11 / tan(52)] + h0,
+                [129,   -5] + h0,
+                [81.3,  -5] + h0,
+                [73.3, -13] + h0,
+             ]
+            ],
             [[], 0.8, [], true],
         ],
         [": IEC mains lead"]
     ];
 
+// Single fan in the top, wires exit opposite side from mains in
+ATX300 = let(p = [113 / 2, 51.5 / 2], s = [125, 100, 64], iec = [35.5, 6], sw = [6.5, 7])
+    ["ATX300", "FSP300-60GHX", s.x, s.y, s.z, No632_pan_screw, No6_clearance_radius, true, 0, 0, [],
+        [
+            [[], 0.5, []],
+            [[], 0.5, [], false, [0, 8, fan80x25]],
+            [[], 0.5, []],
+            [[], 0.5, []],
+            [[-p, p, [-p.x,  p.y], [p.x, -p.y], [p.x, 0]], 0.5, [], [3, 0.6, 6, [6.3, 7, 6.4, 5.5], [
+                [-p.x, -p.y, 5, 5],
+                [-p.x, p.y, 5, 5],
+                [p.x, 0, 5, 100],
+                [p.x,  p.y, 12, 6],
+                [p.x, -p.y, 12, 6],
+                [iec.x, iec.y, 32, 22],
+                [sw.x, sw.y, 20, 20],
+                [sw.x, sw.y, 27, 12],
+                ]], false, [iec.x, iec.y, 180, IEC_inlet_atx2], [sw.x, sw.y, 90, small_rocker], false, [
+                    [-s.x / 2 + 11.5, -s.z / 2 + 4.5],
+                    [-s.x / 2 + 5.5,  -s.z / 2 + 4.5 + 6 * tan(60)],
+
+                    [-s.x / 2 + 5.5,   s.z / 2 - 5.4 - 6 * tan(60)],
+                    [-s.x / 2 + 11.5,  s.z / 2 - 5.4],
+
+                    [ s.x / 2 - 14,   s.z / 2 - 5.4],
+                    [ s.x / 2 - 10.5, s.z / 2 - 5.4 - 3.5 * tan(60)],
+                    [ s.x / 2 - 10.5, -6],
+                    [ s.x / 2 - 8,    -8.5],
+
+                    [ s.x / 2 - 8, -s.z / 2 + 4.5 + 6 * tan(60)],
+                    [ s.x / 2 - 14, -s.z / 2 + 4.5],
+                ]
+             ],
+            [[], 0.5, []],
+        ],
+        [": IEC mains lead"]
+    ];
+
+
 KY240W =
     ["KY240W", "KY-240W-12-L", 199, 110, 50, M3_cap_screw, M3_clearance_radius, false, 0, 0, [],
         [
@@ -75,7 +127,6 @@ KY240W =
             [ 199 / 2 - 12,  110 / 2 - 9 ],
             [ 199 / 2 - 138, 110 / 2 - 93],
             [ 199 / 2 - 138, 110 / 2 - 9 ]]]
-
         ],
         []
     ];
@@ -179,6 +230,8 @@ External =
         [": IEC mains lead"]
     ];
 
-psus = [PD_150_12, S_250_48, S_300_12, ATX500, KY240W];
+psus = [PD_150_12, S_250_48, S_300_12, ATX300, ATX500];
+
+psus_not_shown = [KY240W];
 
 use <psu.scad>

vitamins/screw.scad

@@ -62,7 +62,9 @@ function screw_shorter_than(x) = x >= 20 ? floor(x / 5) * 5 : //! Returns the le
                                  x >= 10 ? 10 :
                                  x >=  8 ?  8 :
                                  x >=  6 ?  6 :
-                                 5;
+                                 x >=  5 ?  5 :
+                                 x >=  4 ?  4 :
+                                 3;
 
 function screw_length(screw, thickness, washers, insert = false, nyloc = false, nut = false, longer = false) = //! Returns the length of the longest or shortest screw that will got through `thickness` and `washers` and possibly an `insert`, `nut` or `nyloc`
     let(washer = washers ? washers * washer_thickness(screw_washer(screw)) : 0,

vitamins/servo_motor.scad

@@ -19,7 +19,7 @@
 //! BLDC servos for CNC machines
 //
 
-include <../core.scad>
+include <../utils/core/core.scad>
 include <../utils/tube.scad>
 include <../utils/round.scad>
 include <../utils/quadrant.scad>

vitamins/sk_bracket.scad

@@ -20,9 +20,8 @@
 //! SK shaft support brackets
 //
 include <../core.scad>
-include <../utils/fillet.scad>
+use <../utils/fillet.scad>
 
-use <washer.scad>
 
 sk_bracket_colour = grey(70);
 

vitamins/stepper_motor.scad

@@ -27,7 +27,6 @@ include <../vitamins/pin_headers.scad>
 use <../utils/tube.scad>
 use <../utils/thread.scad>
 use <../utils/round.scad>
-use <washer.scad>
 use <rod.scad>
 
 function NEMA_width(type)        = type[1]; //! Width of the square face

vitamins/veroboard.scad

@@ -82,7 +82,7 @@ module veroboard(type) { //! Draw specified veroboard with missing tracks and tr
     width = strips * pitch;
     hole_d = 1;
     tw = vero_track_width(type);
-    colour = vero_fr4(type) ? "green" : "goldenrod";
+    colour = vero_fr4(type) ? "#BEB564" : "goldenrod";
     tc = vero_fr4(type) ? "silver" : copper;
     no_track = vero_no_track(type);
 
@@ -124,9 +124,9 @@ module veroboard(type) { //! Draw specified veroboard with missing tracks and tr
                 for(p = vero_breaks(type))
                     vero_grid_pos(type, p.x, p.y)
                         if(ceil(p.x) == p.x)
-                            circle(d = pitch);
+                            circle(d = pitch * 1.1);
                         else
-                            square([pitch * 0.2, pitch], center = true);
+                            square([pitch * 0.3, pitch], center = true);
             }
         }
 }
@@ -141,7 +141,8 @@ module vero_components(type, cutouts = false, angle = undef)
                 translate_z(vero_thickness(type))
                     pcb_component(comp, cutouts, angle);
 
-module vero_cutouts(type, angle = undef) vero_components(type, true, angle); //! Make cutouts to clear components
+module vero_cutouts(type, angle = undef) //! Make cutouts to clear components
+    vero_components(type, true, angle);
 
 module veroboard_assembly(type, height, thickness, flip = false, ngb = false) //! Draw the assembly with components and fasteners in place
 assembly(vero_assembly(type), ngb = ngb) {