Cable clips can now handle up to 9 wires, have the nut and bolt flipped or use an insert.

cable_radius() now handles cables with up to 20 wires.
cable_bundle() and cable_bundle_positions() now handle bundles up to 9 wires.
Added cable_merge().

tests/cable_clip.scad

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