pattress-boxes-3-cover.scad

   1 // -*- C -*-
   2
   3 patbox_side = 87;
   4 patbox_centres = 60.3;
   5
   6 lid_thinboxbase_overlap = 5;
   7 lid_fatbox_overlap = 12;
   8
   9 lid_thinbox_h = 9;
  10 lid_fatbox_h = 24;
  11 lid_fatbox_switches_h = 6+2;
  12
  13 lid_max_switches_w = 70;
  14 lid_switches_y_slop = 3;
  15
  16 total_len = 260;
  17 thinbox_len = 87;
  18
  19 lid_top_wall = 1.5;
  20 lid_front_wall = 1.5;
  21 lid_side_wall = 1.5;
  22
  23 lid_side_slop = 0.5;
  24
  25 // computed
  26
  27 lid_inner_max_h =
  28   lid_thinboxbase_overlap + lid_fatbox_h + lid_fatbox_switches_h;
  29 lid_inner_min_h = lid_fatbox_overlap + lid_fatbox_switches_h;
  30
  31 lid_inner_kink = [thinbox_len, thinbox_len*2];
  32
  33 lid_inner_w = patbox_side + lid_side_slop;
  34
  35 lid_rail_w = (lid_inner_w - lid_max_switches_w)/2 - lid_switches_y_slop;
  36
  37 lid_rail_h = lid_fatbox_switches_h;
  38
  39 echo(lid_rail_w);
  40
  41 module LidSideProfile(){
  42   polygon([[-lid_top_wall,     lid_inner_max_h],
  43            [lid_inner_kink[0], lid_inner_max_h],
  44            [lid_inner_kink[1], lid_inner_min_h],
  45            [total_len,         lid_inner_min_h],
  46            [total_len,         -lid_front_wall],
  47            [-lid_top_wall,     -lid_front_wall]]);
  48 }
  49
  50 module LidSide(){
  51   overlap = [0.1, 0.1, 0.1];
  52
  53   rotate([90,0,0])
  54     linear_extrude(height= lid_side_wall)
  55     LidSideProfile();
  56
  57   translate(-overlap)
  58     cube(overlap + [total_len, lid_rail_w, lid_rail_h]);
  59
  60   translate([-0.1, -0.1, -lid_front_wall])
  61     cube([total_len+0.1, lid_inner_w/2 + 0.2, lid_front_wall]);
  62 }
  63
  64 LidSide();