cnc/3D/little_box.scad

   1 $fn=100;
   2
   3 module bottom(dia=15) {
   4 difference() {
   5 union() {
   6 cylinder(20, dia+4, dia+4);
   7 cylinder(15, dia+8, dia+8);
   8 }
   9 translate([0,0,3]) cylinder(21, dia, dia);
  10 }
  11 }
  12
  13 module top(dia=15) {
  14 difference() {
  15 cylinder(20, dia+8, dia+8);
  16 translate([0,0,3]) cylinder(21, dia, dia);
  17 translate([0,0,15]) cylinder(6, dia+4, dia+4);
  18 }
  19 }
  20
  21 translate([-60,0,0]) bottom();
  22 top();