add 3d printed files

Author: jepler

CircuitPython_KeyPad_Calculator/design-files/3dprints/calculatorcase-v4.1-insert.FCStd

@@ -0,0 +1,29 @@
+rows = 4;
+cols = 5;
+border = 3;
+
+dx = .76*25.4;
+dy = .76*25.4;
+
+sx = .551*25.4;
+sy = .551*25.4;
+
+hdia = 5.5; // note: m2.5 nylon screw heads are 4.5mm dia
+linear_extrude(.06*25.4)
+difference() {
+    translate([-border-sx/2,-border-sx/2])
+    square([dx*(rows-1) + sx + 2*border, dy*(cols-1) + sy +2*border]);
+
+    for(r=[0:1:rows-1]) {
+        for(c=[0:1:cols-1]) {
+            translate([dx*r, dy*c])
+            square([sx,sy], center=true);
+        }
+
+        translate([dx/2, dy/2])
+        circle(d=hdia, $fn=36);
+        translate([dx*(2 +1/2), dy/2])
+        circle(d=hdia, $fn=36);
+    }
+
+}