smartube-clip.scad

   1 infty = 300;
   2 eps = 0.01;
   3
   4 wall = 1.5;
   5 t1_diam  = 10;
   6 t2_diam  = 12;
   7 cyl_h = 30;
   8
   9 module cyl_clip(d, angle) {
  10         difference() {
  11                 cylinder(r = d/2 + wall, h = cyl_h);
  12                 translate([0, 0, -eps]) cylinder(r = d/2, h = cyl_h + 2*eps);
  13                 intersection() {
  14                         rotate([0, 0, 180 - angle/2])
  15                                 translate([-infty/2, 0, -infty/2]) cube(infty);
  16                         rotate([0, 0, angle/2])
  17                                 translate([-infty/2, 0, -infty/2]) cube(infty);
  18                 }
  19         }
  20 };
  21
  22 intersection() {
  23         union() {
  24                 rotate([-30, 0, 0])
  25                 translate([-t1_diam/2-wall/2, 0, -cyl_h/2])
  26                         color("blue")cyl_clip(t1_diam, 280);
  27                 rotate([-30, 0, 180])
  28                 translate([-t2_diam/2-wall/2, 0, -cyl_h/2])
  29                         color("red") cyl_clip(t2_diam, 280);
  30         };
  31
  32         translate([-infty/2, -infty/2, -7.5]) cube(infty);
  33         translate([-infty/2, -infty/2, 7.5-infty]) cube(infty);
  34 };
  35