Watch Band Retainer in OpenSCAD

watch_band.scad

// https://github.com/revarbat/BOSL2/wiki
//
// Installation instructions:
// https://github.com/revarbat/BOSL2/wiki#installation
include <BOSL2/std.scad>

$fn = 200;

wall_thickness = .45*3;

width = 20;
length = 6;
height = 9;

total_wall = wall_thickness * 2;

difference() {
  cuboid([width + total_wall, length + total_wall, height], rounding=1, edges="Z");
  cuboid([width, length, height+.1], rounding=1, edges="Z");
}