handlebar-tube-plug.scad

   1 infty = 100;
   2 eps = 0.01;
   3
   4 base_h = 3;
   5 base_d = 39;
   6
   7 tube_d1 = 27.5;
   8 tube_h1 = 8;
   9
  10 tube_d2 = 23.5;
  11 tube_h2 = 12;
  12
  13 tube_wall = 2;
  14
  15 // rotate([90, 0, 0])
  16 difference() {
  17         union() {
  18                 difference() {
  19                         cylinder(r = base_d/2, h = base_h, $fn = 128);
  20                         translate([0, 0, base_h/2])
  21                                 cylinder(r1 = base_d/2-2, r2 = base_d/2-1,
  22                                         h = base_h/2+eps, $fn = 128);
  23                 }
  24                 translate([0, 0, base_h/2-eps])
  25                         cylinder(r1 = tube_d1/2+1, r2 = tube_d1/2,
  26                                 h = base_h/2+eps, $fn = 128);
  27                 cylinder(r = tube_d1/2, h = base_h + tube_h1, $fn = 6);
  28                 cylinder(r = tube_d2/2, h = base_h + tube_h1 + tube_h2, $fn = 6);
  29         }
  30         translate([0, 0, base_h])
  31                 cylinder(r = tube_d2/2-tube_wall, h = tube_h1 + tube_h2 + eps, $fn = 6);
  32         // for debugging
  33         // translate([-infty/2, 3, -eps]) cube(infty);
  34         // translate([-infty/2, -3-infty, -eps]) cube(infty);
  35 }
  36
  37