ikea-kitchen-bar.scad

   1 // hook for the aluminium kitchen bar from IKEA
   2
   3 infty=200;
   4 eps=0.01;
   5
   6 bar_w = 3.5 + 0.7;
   7 bar_h = 29.3 + 0.5;
   8 bar_to_wall = 27; // incl. the bar itself
   9
  10 wall = 3.1;
  11 upper_overhang = 10.0 - wall;
  12 lower_overhang = 2.0;
  13
  14 body_h = 12;
  15
  16 clip_front = 5; // stronger than wall for this object
  17
  18 // coordinates: front end of the bar is the xz plane, centered by the x axis,
  19 // +x is the upper part, -x is lower, +y is front
  20
  21 module clip() {
  22         // front part
  23         translate([-bar_h/2-wall, 0, 0])
  24                 cube([bar_h + 2*wall, clip_front, body_h]);
  25         // upper and lower horizontal bars
  26         for (x = [-1, 1]) scale([x, 1, 1])
  27                 translate([bar_h/2, -bar_w -wall, 0])
  28                         cube([wall, bar_w + 2*wall, body_h]);
  29         // upper overhang
  30         translate([bar_h/2-upper_overhang, -bar_w-wall, 0])
  31                 cube([upper_overhang + wall, wall, body_h]);
  32         // lower overhang
  33         translate([-bar_h/2-wall, -bar_w-wall, 0])
  34                 difference() {
  35                         cube([lower_overhang + wall, wall, body_h]);
  36                         translate([lower_overhang + wall, 2*wall/3, 0])
  37                                 rotate([0, 0, -45])
  38                                         translate([0, -infty/2, -infty/2])
  39                                         cube(infty);
  40                 }
  41 }
  42
  43 // holder for the magnetic knife bar based on the above clip
  44
  45 front_w = 9;
  46 screw_hole = 5;
  47 bolt_hole = 9;
  48 bolt_depth = 4;
  49 knifebar_w = 45; // for an alternative design
  50 knifebar_w_big = 47.5 + 0.7;
  51 knifebar_d = 17.7;
  52 screw_l = 8.5;
  53
  54 /*
  55 // first version
  56 difference() {
  57         union() {
  58                 clip();
  59                 translate([-bar_h/2-wall, 0, 0])
  60                         cube([bar_h + 2*wall, front_w, body_h]);
  61         }
  62
  63         // screw hole
  64         translate([0, -infty/2, body_h/2])
  65                 rotate([-90, 0, 0])
  66                 cylinder(r = screw_hole/2, h=infty, $fn = 6);
  67         // bolt hole
  68         translate([0, bolt_depth, body_h/2])
  69                 rotate([90, 0, 0])
  70                 cylinder(r = bolt_hole/2, h=infty, $fn = 6);
  71 }
  72
  73 */
  74
  75 clip();
  76
  77 knifebar_x_off = -bar_h/2-wall-8;
  78 knifebar_y_off = -knifebar_d + 2*wall;
  79 knifebar_rear_wall = 5;
  80
  81 // top
  82 hull() {
  83         translate([-bar_h/2-wall, -bar_w -wall, 0])
  84                         cube([wall, bar_w + wall + clip_front, body_h]);
  85         translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
  86                 cube([wall, -knifebar_y_off+wall+knifebar_rear_wall, body_h]);
  87         // translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
  88         //      cube([wall, knifebar_rear_wall, body_h]);
  89 }
  90
  91 // rear
  92 difference() {
  93         translate([knifebar_x_off-knifebar_w_big+wall, knifebar_y_off-knifebar_rear_wall, 0])
  94                 cube([knifebar_w_big, knifebar_rear_wall, body_h]);
  95         translate([knifebar_x_off-knifebar_w_big/2, 0, body_h/2])
  96                 rotate([90, 0, 0])
  97                         cylinder(r = screw_hole/2, h = infty, $fn = 6);
  98 }
  99
 100 // bottom support to the wall
 101 translate([knifebar_x_off-knifebar_w_big+wall, -bar_to_wall, 0])
 102         cube([wall, bar_to_wall+knifebar_y_off, body_h]);
 103
 104
 105 /*
 106 // the bar itself
 107 # translate([knifebar_x_off-knifebar_w_big, knifebar_y_off, 0])
 108         cube([knifebar_w_big, knifebar_d, body_h]);
 109
 110 // wall
 111 # translate([-infty/2, -bar_to_wall, 0])
 112         cube([infty, eps, body_h]);
 113
 114 */