firefly-q6-case.scad

   1 infty = 200;
   2 eps = 0.01;
   3
   4 wall = 1.5;
   5
   6 body_l = 70 + 0.5;
   7 body_w = 33 + 0.5;
   8 body_h = 28 + 0.5;
   9 corner_r = 8;
  10 corner_side_h = 5;
  11
  12 hook_w = 3.5;
  13 hook_l = 6;
  14 hook_hole_l = 3;
  15 hook_hole_w = 2;
  16
  17 ziptie_w = 4;
  18 ziptie_h = 3;
  19
  20 // base plate
  21 difference() {
  22         hull() {
  23                 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  24                         translate([body_l/2 - corner_r,
  25                                 body_w/2 - corner_r, 0])
  26                         cylinder(r = corner_r + wall, h = wall);
  27         }
  28         // translate([-body_l/2+corner_r + hook_l, -body_w/2+corner_r, -eps])
  29         //      cube([body_l-2*corner_r-2*hook_l, body_w - 2*corner_r, wall +2*eps]);
  30         translate([-body_l/2+corner_r, -body_w/2+corner_r, -eps])
  31                 cube([body_l-2*corner_r, body_w - 2*corner_r, wall +2*eps]);
  32
  33         // ziptie angles
  34         for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  35                 translate([body_l/2-corner_r-hook_l-ziptie_w,
  36                         body_w/2+wall/2-corner_r/2, wall])
  37                         rotate([-40, 0, 0])
  38                         translate([0, -ziptie_h/2, -infty/2])
  39                         cube([ziptie_w, ziptie_h, infty]);
  40
  41         // more space for lens
  42         for (x = [-1, 1]) scale([x, 1, 1])
  43                 translate([body_l/2, -body_w/2+corner_r, -eps])
  44                         cube([wall+eps, body_w-2*corner_r, wall+2*eps]);
  45 }
  46
  47 // raised corner bottom
  48 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  49         translate([body_l/2 - corner_r,
  50                 body_w/2 - corner_r, wall-eps])
  51         difference() {
  52                 cylinder(r = corner_r + wall, h = wall+eps);
  53                 translate([-infty, -infty/2, -infty/2]) cube(infty);
  54                 translate([-infty/2, -infty, -infty/2]) cube(infty);
  55         }
  56
  57
  58 // raised corner side
  59 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  60         translate([body_l/2 - corner_r,
  61                 body_w/2 - corner_r, 2*wall-eps])
  62         difference() {
  63                 cylinder(r = corner_r + wall, h = corner_side_h+eps);
  64                 translate([0, 0,-eps])
  65                         cylinder(r = corner_r, h = infty);
  66                 translate([-infty, -infty/2, -infty/2]) cube(infty);
  67                 // front edges cut
  68                 rotate([-30, 0, 0])
  69                 translate([-infty/2, -infty, -infty/2]) cube(infty);
  70         }
  71
  72 // rubber band hooks
  73 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  74         difference() {
  75                 translate([body_l/2 - corner_r - hook_l,
  76                         body_w/2 - corner_r, 0])
  77                         cube([hook_l, hook_w + corner_r + wall, 2*wall]);
  78                 translate([body_l/2 - corner_r - hook_hole_l,
  79                         body_w/2 + wall, -eps])
  80                         cube([hook_hole_l + eps, hook_hole_w, 2*wall+2*eps]);
  81         }