// Copyright 2022 Pascal Engélibert
// License CC0

module TeensyCase(
	bolt_d = 4, // adapted for M3 bolts
	bolt_d2 = 7.4,
	bolt_h = 5,
	l = 39,
	w = 39,
	th = 2,
	bolt1_x = 4.5,
	bolt1_y = 4,
	bolt2_x = 33.75,
	bolt2_y = 4,
	bolt3_x = 21,
	bolt3_y = 35,
) {
	difference() {
		union() {
			cube([l, w, th]);
			translate([bolt1_x, bolt1_y, 0]) cylinder(d=bolt_d2, h=th+bolt_h, $fn=60);
			translate([bolt2_x, bolt2_y, 0]) cylinder(d=bolt_d2, h=th+bolt_h, $fn=60);
			translate([bolt3_x, bolt3_y, 0]) cylinder(d=bolt_d2, h=th+bolt_h, $fn=60);
		}
		
		translate([bolt1_x, bolt1_y, 0]) cylinder(d=bolt_d, h=th+bolt_h+1, $fn=40);
		translate([bolt2_x, bolt2_y, 0]) cylinder(d=bolt_d, h=th+bolt_h+1, $fn=40);
		translate([bolt3_x, bolt3_y, 0]) cylinder(d=bolt_d, h=th+bolt_h+1, $fn=40);
	}
}

TeensyCase(bolt_h=9.2);
translate([0, -5, 0]) mirror([0, 1, 0]) TeensyCase(bolt_h=2);