Beginning case design

cad/CyanStripe/Case.scad

+
+use <PCB.scad>;
+use <../../WebWeaver/scad/Util.scad>;  // TODO: needed?
+
+
+$fs = 0.5;
+$fa = 1.0;
+
+
+
+// spam… eggs…
+
+
+$str = 3;
+$E   = 0.001;
+
+
+
+
+module CyanStripeCase() {
+  
+}
+
+
+
+CyanStripeCase();
+
+if ($preview) {
+  pcb3D();
+}
+

cad/CyanStripe/PCB.scad

+
+use <../../WebWeaver/scad/Util.scad>;
+
+$fs = 0.35;
+$fa = 2 * $fs;
+
+$str = 3;
+$E   = 0.01;  // ε
+
+
+pcb_t = 1.6;
+
+pcb_w = 75.5;
+pcb_h = 65.0;
+
+pcb_edge_r = 3;
+
+M3 = 3.2;
+
+// x is all the same and y is +- 18.5 and 0 as there are three of them
+terminals_x = 28.75;
+terminals_y = 18.50;
+
+// co = cut-out
+co_w =   6.1;
+co_h =  18.0;
+co_x = -34.7;
+co_y =  -8.6;
+
+
+
+module pcbScrewHoles(tz=0) {
+  for (tx=[-32.75, 5.75], ty=[-27.5, 27.5]) translate([tx, ty, tz]) children();
+}
+
+module pcbOutline() {
+
+  difference() {
+    roundRect(pcb_w, pcb_h, pcb_edge_r, center=true);
+    
+    pcbScrewHoles() circle(d=M3);
+    
+    translate([co_x, co_y, 0]) square([co_w + $E, co_h], center=true);
+  }
+}
+
+module pcb3D(pcb_t=pcb_t) {
+  color([170 /255, 0, 200 /255])
+    linear_extrude(pcb_t)
+      pcbOutline();
+
+  if ($preview)
+    pcbScrewHoles()
+      color("grey")
+        difference() {
+          translate([0, 0, -$E]) cylinder(d=M3*2, h=pcb_t+2*$E);
+          translate([0, 0, -$E*2]) cylinder(d=M3-$E,   h=pcb_t+4*$E);
+        }
+}
+
+pcb3D();