Can now make perfboards with screws holes only at one end.

I.e. for making models of chopped down boards.

CHANGELOG.md

@@ -3,6 +3,37 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+#### [v16.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v16.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v16.0.0...v16.0.1 "diff with v16.0.0")
+*   2021-09-12 [`f0c25d3`](https://github.com/nophead/NopSCADlib/commit/f0c25d37b0c19f76c3f3e0b4d9cabc7587f9efb5 "show commit") [C.P.](# "Chris Palmer") Workarounds for bugs in the OpenSCAD snapshots.
+
+## [v16.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v16.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v15.25.0...v16.0.0 "diff with v15.25.0")
+*   2021-09-11 [`3299aad`](https://github.com/nophead/NopSCADlib/commit/3299aad5c83d1fe21d3bdddd1450f8de19078d13 "show commit") [C.P.](# "Chris Palmer") Parametric potentiometers added, changes PCB "potentiometer" parameters.
+The first one is now the type that defaults to the previous BigTreeTech version.
+The second parameter is the shaft length override.
+
+ * Added `ESP32_DOIT_V1,` ArduinoNano and `KY_040` breakout PCBs.
+
+*   2021-09-11 [`74c52aa`](https://github.com/nophead/NopSCADlib/commit/74c52aac0428995930b4af562a480025003b992d "show commit") [C.P.](# "Chris Palmer") Can now make perfboard without screw holes.
+Fixed missing items from last commit.
+
+*   2021-09-11 [`726d9ed`](https://github.com/nophead/NopSCADlib/commit/726d9ed2dc921b5a7ef8c5b0fa6b17628f706bf8 "show commit") [C.P.](# "Chris Palmer") Can now draw right angle Molex KK connectors and can skip pins to allow high voltage.
+
+*   2021-09-11 [`8a838dd`](https://github.com/nophead/NopSCADlib/commit/8a838dd1ceaac7d595aea47494cb28b9a424ee8a "show commit") [C.P.](# "Chris Palmer") Added `pcb_grid_components()` module for placing parts on a perfboard.
+
+*   2021-09-11 [`181c6ac`](https://github.com/nophead/NopSCADlib/commit/181c6ac6248e7db6204b6d461f122e719492b0cc "show commit") [C.P.](# "Chris Palmer") Added `vero_pin` PCB component.
+
+*   2021-09-11 [`e952aa7`](https://github.com/nophead/NopSCADlib/commit/e952aa7840cf4f3765c518a481d32f582bef27b4 "show commit") [C.P.](# "Chris Palmer") PCB chip component can now be round if width is zero to fake round buttons.
+
+*   2021-09-11 [`466ee31`](https://github.com/nophead/NopSCADlib/commit/466ee31e10e670ff35e22429084a34612f821f7d "show commit") [C.P.](# "Chris Palmer") Added `Jack_4mm_shielded_nut_radius()`.
+
+*   2021-09-11 [`4c926c5`](https://github.com/nophead/NopSCADlib/commit/4c926c529b199dbe589fb0c43f323db94ffe5597 "show commit") [C.P.](# "Chris Palmer") Fixed axial lead min pitch bug.
+
+*   2021-09-11 [`edb1ecc`](https://github.com/nophead/NopSCADlib/commit/edb1eccbf156ff4b06723b18f832637328b1c3e0 "show commit") [C.P.](# "Chris Palmer") TFT128x160 LCD display added.
+
+*   2021-09-11 [`061812c`](https://github.com/nophead/NopSCADlib/commit/061812cc8bc51e5a957d7d3acaffd9bcda14cc15 "show commit") [C.P.](# "Chris Palmer") PMMA1p25 sheet added.
+
+*   2021-09-11 [`ce0c97b`](https://github.com/nophead/NopSCADlib/commit/ce0c97b45e6e501554e66bcd4140d4dd3f532a1c "show commit") [C.P.](# "Chris Palmer") `7_segment` displays added as PCB component.
+
 ### [v15.25.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.25.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.24.0...v15.25.0 "diff with v15.24.0")
 *   2021-09-05 [`2166a9b`](https://github.com/nophead/NopSCADlib/commit/2166a9be6a6fc75b06f0051971606cd181079e15 "show commit") [C.P.](# "Chris Palmer") `extrusion_corner_bracket_assembly()` and `extrusion_inner_corner_bracket()` can now be passed the extrusion type.
 E2020t and E4040t thinner extrusions added to work with the brackets.

global_defs.scad

@@ -24,13 +24,10 @@
 //  bom defaults to 0
 //  Setting $bom on the command line or in the main file before including lib.scad overrides it everywhere.
 //  Setting $bom after including lib overrides bom in the libs but not in the local file.
-//  Setting $_bom in the local file overrides it in the local file but not in the libs.
 //
 rr_green = [0, 146/255, 0];                                               // RepRap logo colour
 crimson  = [220/255, 20/255, 60/255];
 
-$_bom           = is_undef($bom)             ? 0      : $bom;             // 0 no bom, 1 assemblies and stls, 2 vitamins as well
-$exploded       = is_undef($explode)         ? 0      : $explode;         // 1 for exploded view
 layer_height    = is_undef($layer_height)    ? 0.25   : $layer_height;    // layer height when printing
 extrusion_width = is_undef($extrusion_width) ? 0.5    : $extrusion_width; // filament width when printing
 nozzle          = is_undef($nozzle)          ? 0.45   : $nozzle;          // 3D printer nozzle

scripts/exports.py

@@ -139,6 +139,7 @@ def make_parts(target, part_type, parts = None):
                                             #
                                             part_maker_name = tmp_dir + '/' + part_type + ".scad"
                                             with open(part_maker_name, "w") as f:
+                                                f.write("include <NopSCADlib/global_defs.scad>\n")
                                                 f.write("use <%s/%s>\n" % (reltmp(dir, target), filename))
                                                 f.write("%s();\n" % module);
                                             t = time.time()

scripts/render.py

@@ -94,11 +94,13 @@ def render(target, type):
             cam = "--camera=0,0,0,70,0,315,500" if type == 'stl' else "--camera=0,0,0,0,0,0,500"
             render = "--preview" if type == 'stl' or colour != pp1 else "--render"
             tmp_name = tmp_dir + '/' + part[:-4] + '.png'
-            openscad.run("-o", tmp_name, png_maker_name, colour_scheme, "--projection=p", "--imgsize=4096,4096", cam, render, "--autocenter", "--viewall");
+            dummy_deps_name = tmp_dir + '/tmp.deps' # work around for OpenSCAD issue #3879
+            openscad.run("-o", tmp_name, png_maker_name, colour_scheme, "--projection=p", "--imgsize=4096,4096", cam, render, "--autocenter", "--viewall", "-d", dummy_deps_name)
             do_cmd(("magick "+ tmp_name + " -trim -resize 280x280 -background %s -gravity Center -extent 280x280 -bordercolor %s -border 10 %s"
                     % (background, background, tmp_name)).split())
             update_image(tmp_name, png_name)
             os.remove(png_maker_name)
+            os.remove(dummy_deps_name)
     #
     # Remove tmp dir
     #

scripts/tests.py

@@ -72,6 +72,8 @@ def update_image(tmp_name, png_name):
     if pixels < 0 or pixels > threshold:
         shutil.copyfile(tmp_name, png_name)
         print(Fore.YELLOW + png_name + " updated" + Fore.WHITE, pixels if pixels > 0 else '')
+        if png_name.endswith('_tn.png') and os.path.isfile(diff_name):
+            os.remove(diff_name)
     else:
         os.utime(png_name, None)
         os.remove(diff_name)

scripts/tmpdir.py

@@ -25,6 +25,7 @@ import time
 def mktmpdir(top_dir):
     tmp_dir = top_dir + 'tmp'
     if not os.path.isdir(tmp_dir):
+        time.sleep(0.1)
         os.makedirs(tmp_dir)
     else:
         for file in os.listdir(tmp_dir):

scripts/views.py

@@ -216,6 +216,7 @@ def views(target, do_assemblies = None):
                                                 #
                                                 png_maker_name = tmp_dir + '/png.scad'
                                                 with open(png_maker_name, "w") as f:
+                                                    f.write("include <NopSCADlib/global_defs.scad>\n")
                                                     f.write("use <%s/%s>\n" % (reltmp(dir, target), filename))
                                                     f.write("%s();\n" % module);
                                                 t = time.time()

utils/core/bom.scad

@@ -42,24 +42,24 @@
 //! * To get the parameter values make the GUI window square, pose the view with the mouse and then copy the viewport parameters from the Edit menu and paste them into the pose invocation.
 //! * Two `pose()` modules can be chained to allow different poses for exploded and assembled views.
 //
-function bom_mode(n = 1) = $_bom >= n && (is_undef($on_bom) || $on_bom);  //! Current BOM mode, 0 = none, 1 = printed and routed parts and assemblies, 2 includes vitamins as well
-function exploded() = is_undef($exploded_parent) ? $exploded : 0;   //! Returns the value of `$exploded` if it is defined, else `0`
+function bom_mode(n = 1) = (is_undef($bom) ? 0 : $bom) >= n && (is_undef($on_bom) || $on_bom);  //! Current BOM mode, 0 = none, 1 = printed and routed parts and assemblies, 2 includes vitamins as well
+function exploded() = is_undef($exploded_parent) ? is_undef($explode) ? 0 : $explode : 0;   //! Returns the value of `$exploded` if it is defined, else `0`
 function show_supports() = !$preview || exploded();                 //! True if printed support material should be shown
 
 module no_explode() let($exploded_parent = true) children();        //! Prevent children being exploded
 module explode(d, explode_children = false, offset = [0,0,0]) {     //! Explode children by specified Z distance or vector `d`, option to explode grand children
     v = is_list(d) ? d : [0, 0, d];
     o = is_list(offset) ? offset : [0, 0, offset];
-    if($exploded && is_undef($exploded_parent) && norm(v)) {
+    if(exploded() && norm(v)) {
         translate(o)                                                // Draw the line first in case the child is transparent
             color("yellow") hull() {
                 sphere(0.2);
 
-                translate(v * $exploded)
+                translate(v * exploded())
                     sphere(0.2);
             }
 
-        translate(v * $exploded)
+        translate(v * exploded())
             let($exploded_parent = explode_children ? undef : true)
                 children();
     }

vitamins/nut.scad

@@ -116,7 +116,7 @@ module wingnut(type) { //! Draw a wingnut
                 polygon([
                     [hole_rad, 0],
                     [bottom_rad, 0],
-                    [top_rad,, thickness],
+                    [top_rad, thickness],
                     [hole_rad, thickness]
                 ]);
             for(rot = [0, 180])

vitamins/pcb.scad

@@ -1196,9 +1196,10 @@ module pcb(type) { //! Draw specified PCB
                         }
                     if(fr4 && len(grid) < 3 && pcb_holes(type)) { // oval lands at the ends
                         screw_x = pcb_coord(type, pcb_holes(type)[0]).x;
+                        both_ends = len(pcb_holes(type)) > 2;
                         y0 = pcb_grid(type).y;
                         rows = round((pcb_width(type) - 2 * y0) / inch(0.1));
-                        for(end = [-1, 1], y = [1 : rows - 1])
+                        for(end = both_ends ? [-1, 1] : [1], y = [1 : rows - 1])
                             translate([end * screw_x, y0 + y * inch(0.1) - pcb_width(type) / 2])
                                 hull()
                                     for(x = [-1, 1])