Fixed male thread z-fighting bug.

CHANGELOG.md

@@ -3,6 +3,9 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+#### [v15.14.1](https://github.com/nophead/NopSCADlib/releases/tag/v15.14.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.14.0...v15.14.1 "diff with v15.14.0")
+*   2021-06-01 [`20d799a`](https://github.com/nophead/NopSCADlib/commit/20d799a3c115d3d32f101c4419d6e9b57c3be8c7 "show commit") [C.P.](# "Chris Palmer") `IEC_320_C14_switched_fused_inlet` now shows the correct object name in the example.
+
 ### [v15.14.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.14.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.13.4...v15.14.0 "diff with v15.13.4")
 *   2021-05-31 [`2581098`](https://github.com/nophead/NopSCADlib/commit/258109811b7b7f71895340dc4b86b96d7dbc2037 "show commit") [C.P.](# "Chris Palmer") Added uppercase version of `BLCD_motors.scad`.
 

utils/rounded_polygon.scad

@@ -75,28 +75,28 @@ function rounded_polygon_length(points, tangents) = //! Calculate the length giv
 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 = [ for (t = _tangents ? _tangents : rounded_polygon_tangents(points)) each [t.x, t.y] ];
+    tangents = _tangents ? _tangents : rounded_polygon_tangents(points);
 
     difference() {
         union() {
-            for(i = indices)
+            for(i = indices, last = (i - 1 + len) % len)
                 if(points[i][2] > 0)
                     hull() {
-                        translate([points[i].x, points[i].y])
+                        translate(vec2(points[i]))
                             circle(points[i][2]);
 
-                        polygon([tangents[(2 * i - 1 + 2 * len) % (2 * len)], tangents[2 * i], [points[i].x, points[i].y]]);
+                        polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
                     }
 
-            polygon(tangents, convexity = points);
+            polygon([for(t = tangents) each(vec2(t))], convexity = points);
         }
-        for(i = indices)
+        for(i = indices, last = (i - 1 + len) % len)
             if(points[i][2] < 0)
                 hull() {
-                    translate([points[i].x, points[i].y])
+                    translate(vec2(points[i]))
                         circle(-points[i][2]);
 
-                    polygon([tangents[(2 * i - 1 + 2 * len) % (2 * len)], tangents[2 * i], [points[i].x, points[i].y]]);
+                    polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
                 }
      }
 }

utils/thread.scad

@@ -156,7 +156,7 @@ module thread(dia, pitch, length, profile, center = true, top = -1, bot = -1, st
                                         translate([0, offset])
                                             square([r, len]);
 
-                                        translate([0, bot_chamfer_h])
+                                        translate([0, offset + bot_chamfer_h])
                                             square([r + h + overlap, len - top_chamfer_h - bot_chamfer_h]);
                                     }
                                     if(!solid)