mech: Move generic PCB case to own subdirectory

This should be more decoupled because it is not specific to soundbox. It
might be later extracted to a library repository.

1 files changed, 17 insertions, 0 deletions

diff --git a/mech/pcb_case/common.scad b/mech/pcb_case/common.scad
new file mode 100644
index 0000000..0f79e16
--- /dev/null
+++ b/mech/pcb_case/common.scad
@@ -0,0 +1,17 @@
+nut_h = 3;
+nut_d = 4.15;
+nut_r = nut_d / 2;
+bolt_d = 3;
+bolt_r = bolt_d / 2;
+
+module rounded_cube(dim, radius) {
+	range_y = [radius, dim[1]-radius];
+	range_z = [radius, dim[2]-radius];
+	height = dim[0];
+
+	hull() {
+		for (y=range_y, z=range_z) {
+			translate([0,y,z]) rotate([0,90,0]) cylinder(r=radius, h=height);
+		}
+	}
+}