digispark-with-cable.scad

   1 // -*- C -*-
   2
   3 include <utils.scad>
   4
   5 //tongue_w = 11.92 + 0.4;
   6
   7 usb_w = 12.01 - 0.3;
   8 usb_wall_w = 0.75 - 0.1;
   9 usb_tongue_d = 8.97 - 0.2;
  10 usb_wall_h = 4.54 - 2.04;
  11 usb_ceil_th = 0.125;
  12
  13 side_wall_th = 1.5;
  14
  15 board_l = 17.56 + 0.2;
  16 board_w = 19.14 + 0.2;
  17 board_th = 1.92 + 0.1;
  18
  19 sw_to_edge = board_w/2 + 0.1;
  20
  21 front_wall_th = 0.4;
  22
  23 small_walls = [
  24                [ [0, 0], [-sw_to_edge, -1.0] ],
  25                [ [sw_to_edge-4.5, -4.5], [sw_to_edge, -5.7] ],
  26                [ [3.0, -11.72] ,[sw_to_edge, -13.38] ],
  27                [ [-sw_to_edge+3.85, -14.90], [sw_to_edge, -13.38] ],
  28                ];
  29
  30 module BothSides(){
  31   for (m=[0,1]) {
  32     mirror([m,0]) {
  33       children();
  34     }
  35   }
  36 }
  37 module TopSmallWallsPlan() {
  38   for (m=[0,1]) {
  39     mirror([m,0]) {
  40       rectfromto([ -usb_w/2,              -0.01        ],
  41                  [ -usb_w/2 + usb_wall_w, usb_tongue_d ]);
  42     }
  43   }
  44   for (w=small_walls) {
  45     rectfromto(w[0], w[1]);
  46   }
  47 }
  48 module TopCeilPlan() {
  49   BothSides(){
  50     rectfromto([ -usb_w/2,              -0.01        ],
  51                [ 0.1,                   usb_tongue_d ]);
  52     rectfromto([ -board_w/2 - side_wall_th, 0            ],
  53                [ 0.1,                       -board_l     ]);
  54   }
  55 }
  56 module TopMainWallsPlan() {
  57   BothSides(){
  58     rectfromto([ -board_w/2 - side_wall_th, 0            ],
  59                [ -board_w/2,                -board_l     ]);
  60     rectfromto([ -board_w/2 - side_wall_th, 0             ],
  61                [ -usb_w/2,                  front_wall_th ]);
  62   }
  63 }
  64
  65 module Top(){
  66   linextr(0, usb_wall_h)
  67     TopSmallWallsPlan();
  68   linextr(usb_wall_h - usb_ceil_th, usb_wall_h)
  69     TopCeilPlan();
  70   linextr(-board_th, usb_wall_h)
  71     TopMainWallsPlan();
  72 }
  73
  74 Top();