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 + 0.8;
   8 bar_to_wall = 24; // incl. the bar itself
   9
  10 wall = 3.1;
  11 upper_overhang = 10.0 - wall;
  12 lower_overhang = 1.5;
  13
  14 body_h = 12;
  15
  16 // coordinates: front end of the bar is the xz plane, centered by the x axis,
  17 // +x is the upper part, -x is lower, +y is front
  18
  19 module clip() {
  20         // front part
  21         translate([-bar_h/2-wall, 0, 0])
  22                 cube([bar_h + 2*wall, wall, body_h]);
  23         // upper and lower horizontal bars
  24         for (x = [-1, 1]) scale([x, 1, 1])
  25                 translate([bar_h/2, -bar_w -wall, 0])
  26                         cube([wall, bar_w + 2*wall, body_h]);
  27         // upper overhang
  28         translate([bar_h/2-upper_overhang, -bar_w-wall, 0])
  29                 cube([upper_overhang + wall, wall, body_h]);
  30         // lower overhang
  31         translate([-bar_h/2-wall, -bar_w-wall, 0])
  32                 difference() {
  33                         cube([lower_overhang + wall, wall, body_h]);
  34                         translate([lower_overhang + wall, 2*wall/3, 0])
  35                                 rotate([0, 0, -36])
  36                                         translate([0, -infty/2, -infty/2])
  37                                         cube(infty);
  38                 }
  39 }
  40
  41 // holder for the magnetic knife bar based on the above clip
  42
  43 front_w = 9;
  44 screw_hole = 5;
  45 bolt_hole = 9;
  46 bolt_depth = 4;
  47 knifebar_w = 45; // for an alternative design
  48 knifebar_w_big = 47.5 + 0.7;
  49 knifebar_d = 17.7;
  50 screw_l = 8.5;
  51
  52 /*
  53 // first version
  54 difference() {
  55         union() {
  56                 clip();
  57                 translate([-bar_h/2-wall, 0, 0])
  58                         cube([bar_h + 2*wall, front_w, body_h]);
  59         }
  60
  61         // screw hole
  62         translate([0, -infty/2, body_h/2])
  63                 rotate([-90, 0, 0])
  64                 cylinder(r = screw_hole/2, h=infty, $fn = 6);
  65         // bolt hole
  66         translate([0, bolt_depth, body_h/2])
  67                 rotate([90, 0, 0])
  68                 cylinder(r = bolt_hole/2, h=infty, $fn = 6);
  69 }
  70
  71 */
  72
  73 clip();
  74
  75 knifebar_x_off = -bar_h/2-wall-8;
  76 knifebar_y_off = -knifebar_d + 2*wall;
  77 knifebar_rear_wall = 5;
  78
  79 // top
  80 hull() {
  81         translate([-bar_h/2-wall, -bar_w -wall, 0])
  82                         cube([wall, bar_w + 2*wall, body_h]);
  83         translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
  84                 cube([wall, -knifebar_y_off+wall+knifebar_rear_wall, body_h]);
  85         // translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
  86         //      cube([wall, knifebar_rear_wall, body_h]);
  87 }
  88
  89 // rear
  90 difference() {
  91         translate([knifebar_x_off-knifebar_w_big+wall, knifebar_y_off-knifebar_rear_wall, 0])
  92                 cube([knifebar_w_big, knifebar_rear_wall, body_h]);
  93         translate([knifebar_x_off-knifebar_w_big/2, 0, body_h/2])
  94                 rotate([90, 0, 0])
  95                         cylinder(r = screw_hole/2, h = infty, $fn = 6);
  96 }
  97
  98 // bottom support to the wall
  99 translate([knifebar_x_off-knifebar_w_big+wall, -bar_to_wall, 0])
 100         cube([wall, bar_to_wall+knifebar_y_off, body_h]);
 101
 102
 103 /*
 104 // the bar itself
 105 # translate([knifebar_x_off-knifebar_w_big, knifebar_y_off, 0])
 106         cube([knifebar_w_big, knifebar_d, body_h]);
 107
 108 // wall
 109 # translate([-infty/2, -bar_to_wall, 0])
 110         cube([infty, eps, body_h]);
 111
 112 */