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 + bag_d/2 + 2*wall;
  11 screw_hole = 4;
  12 base_w = 2*wall;
  13
  14 module hook() {
  15         difference() {
  16                 union() {
  17                         cylinder(r = bag_d/2 + wall, h = body_h, $fn = 128);
  18                         cylinder(r = bag_d/2 + 2*wall, h = wall, $fn = 128);
  19                         translate([-bag_d/2-2*wall, 0, 0])
  20                                 cube([bag_d/2+wall, bag_d/2+wall, wall]);
  21                 }
  22                 translate([0, 0, -eps]) {
  23
  24                         cylinder(r = bag_d/2, h = body_h + 2*eps, $fn = 128);
  25                         translate([0, -bag_d, 0])
  26                                 cube([bag_d, 2*bag_d, body_h + 2*eps]);
  27                         rotate([0, 0, 90+angle])
  28                                 cube([bag_d, bag_d, body_h + 2*eps]);
  29                         /* translate([-bag_d/2, bag_d/2+wall, 0])
  30                                 cube(bag_d); */
  31                 }
  32         }
  33
  34         rotate([0, 0, 90+angle])
  35         translate([bag_d/2+wall, 0, 0])
  36                 cylinder(r = wall, h = body_h, $fn = 32);
  37 }
  38
  39 difference() {
  40         union() {
  41                 translate([-bag_d/2-2*wall, bag_d/2, 0])
  42                         cube([body_l, 2*wall, body_h]);
  43
  44                 for (i = [0:bags-1])
  45                         translate([bag_dist*i, 0, 0])
  46                                 hook();
  47         }
  48
  49         for (x = [0, body_l-bag_d - 4*wall])
  50                 translate([x, 0, body_h/2])
  51                 rotate([-90, 0, 0])
  52                         cylinder(r = screw_hole/2, h = bag_d, $fn = 6);
  53 }
  54
  55
  56