ikea-kitchen-bar.scad

   1 // hook for the aluminium kitchen bar from IKEA
   2
   3 infty=100;
   4 eps=0.01;
   5
   6 bar_w = 3.5 + 0.5;
   7 bar_h = 29.3 + 0.5;
   8
   9 wall = 3.1;
  10 upper_overhang = 10.0 - wall;
  11 lower_overhang = 1.5;
  12
  13 body_h = 12;
  14
  15 // coordinates: front end of the bar is the xz plane, centered by the x axis,
  16 // +x is the upper part, -x is lower, +y is front
  17
  18 module clip() {
  19         // front part
  20         translate([-bar_h/2-wall, 0, 0])
  21                 cube([bar_h + 2*wall, wall, body_h]);
  22         // upper and lower horizontal bars
  23         for (x = [-1, 1]) scale([x, 1, 1])
  24                 translate([bar_h/2, -bar_w -wall, 0])
  25                         cube([wall, bar_w + 2*wall, body_h]);
  26         // upper overhang
  27         translate([bar_h/2-upper_overhang, -bar_w-wall, 0])
  28                 cube([upper_overhang + wall, wall, body_h]);
  29         // lower overhang
  30         translate([-bar_h/2-wall, -bar_w-wall, 0])
  31                 difference() {
  32                         cube([lower_overhang + wall, wall, body_h]);
  33                         translate([lower_overhang + wall, 2*wall/3, 0])
  34                                 rotate([0, 0, -36])
  35                                         translate([0, -infty/2, -infty/2])
  36                                         cube(infty);
  37                 }
  38 }
  39
  40 // holder for the magnetic knife bar based on the above clip
  41
  42 front_w = 6;
  43 screw_hole = 3;
  44 bolt_hole = 7;
  45
  46 difference() {
  47         union() {
  48                 clip();
  49                 translate([-bar_h/2-wall, 0, 0])
  50                         cube([bar_h + 2*wall, front_w, body_h]);
  51         }
  52
  53         // screw hole
  54         translate([0, -infty/2, body_h/2])
  55                 rotate([-90, 0, 0])
  56                 cylinder(r = screw_hole/2, h=infty, $fn = 6);
  57         // bolt hole
  58         translate([0, front_w/2, body_h/2])
  59                 rotate([-90, 0, 0])
  60                 cylinder(r = bolt_hole/2, h=infty, $fn = 6);
  61 }