wastebin-bags-holder.scad

   1 eps = 0.01;
   2 infty = 300;
   3
   4 wall = 2;
   5 bag_d = 50;
   6 angle = 150;
   7 body_h = 15;
   8 bag_dist = 1.2*bag_d;
   9 bags = 3;
  10 body_l = (bags-1)*bag_dist;
  11 screw_hole = 4;
  12
  13 module hook() {
  14         difference() {
  15                 cylinder(r = bag_d/2 + wall, h = body_h, $fn = 128);
  16                 translate([0, 0, -eps]) {
  17
  18                         cylinder(r = bag_d/2, h = body_h + 2*eps, $fn = 128);
  19                         translate([0, -bag_d, 0])
  20                                 cube([bag_d, 2*bag_d, body_h + 2*eps]);
  21                         rotate([0, 0, 90+angle])
  22                                 cube([bag_d, bag_d, body_h + 2*eps]);
  23                 }
  24         }
  25
  26         rotate([0, 0, 90+angle])
  27         translate([bag_d/2+wall, 0, 0])
  28                 cylinder(r = wall, h = body_h, $fn = 32);
  29 }
  30
  31 difference() {
  32         union() {
  33                 translate([0, bag_d/2, 0])
  34                         cube([body_l, wall, body_h]);
  35
  36                 for (i = [0:bags-1])
  37                         translate([bag_dist*i, 0, 0])
  38                                 hook();
  39         }
  40
  41         for (x = [0, body_l-bag_d/2 - 2*wall])
  42                 translate([x, 0, body_h/2])
  43                 rotate([-90, 0, 0])
  44                         cylinder(r = screw_hole/2, h = bag_d, $fn = 6);
  45 }
  46
  47
  48