madstab-joiner.scad

   1 eps = 0.01;
   2 infty = 200;
   3
   4 wall = 1.5;
   5
   6 stab_tube_d = 3.0 + 0.5;
   7 stab_tube_l = 30;
   8
   9 fuse_tube_d = 8.0;
  10 fuse_tube_l = 15;
  11
  12 slot_w = 3;
  13
  14 base_d = 17;
  15 base_h = 0.6;
  16
  17 module body() {
  18         translate([fuse_tube_d/2 + stab_tube_d/2 + wall, 0, 0]) {
  19                 cylinder(r = stab_tube_d/2 + wall, h = stab_tube_l);
  20                 cylinder(r = base_d/2, h = base_h);
  21         }
  22         hull() {
  23                 translate([-fuse_tube_d/2-wall, -fuse_tube_l/2, 0])
  24                         cube([fuse_tube_d + 2*wall, fuse_tube_l, fuse_tube_d + 2*wall]);
  25                 translate([fuse_tube_d/2 + stab_tube_d/2 + wall, 0, 0])
  26                         cylinder(r = stab_tube_d/2 + wall, h = fuse_tube_d + 2*wall);
  27         }
  28 }
  29
  30 difference() {
  31         body();
  32         translate([fuse_tube_d/2 + stab_tube_d/2 + wall, 0, -eps])
  33                 cylinder(r = stab_tube_d/2, h = stab_tube_l + 2*eps);
  34         translate([0, fuse_tube_l/2+eps, fuse_tube_d/2+wall])
  35         rotate([90, 0, 0])
  36                 cylinder(r = fuse_tube_d/2, h = fuse_tube_l + 2*eps);
  37         translate([-slot_w/2, -fuse_tube_l/2-eps, fuse_tube_d/2+wall])
  38                 cube([slot_w, fuse_tube_l + 2*eps, fuse_tube_d/2+wall+eps]);
  39 }
  40