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 = 2;
  15 hook_hole_w = 1.5;
  16
  17 // base plate
  18 difference() {
  19         hull() {
  20                 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  21                         translate([body_l/2 - corner_r,
  22                                 body_w/2 - corner_r, 0])
  23                         cylinder(r = corner_r + wall, h = wall);
  24         }
  25         // translate([-body_l/2+corner_r + hook_l, -body_w/2+corner_r, -eps])
  26         //      cube([body_l-2*corner_r-2*hook_l, body_w - 2*corner_r, wall +2*eps]);
  27         translate([-body_l/2+corner_r, -body_w/2+corner_r, -eps])
  28                 cube([body_l-2*corner_r, body_w - 2*corner_r, wall +2*eps]);
  29 }
  30
  31 // raised corner bottom
  32 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  33         translate([body_l/2 - corner_r,
  34                 body_w/2 - corner_r, wall-eps])
  35         difference() {
  36                 cylinder(r = corner_r + wall, h = wall+eps);
  37                 translate([-infty, -infty/2, -infty/2]) cube(infty);
  38                 translate([-infty/2, -infty, -infty/2]) cube(infty);
  39         }
  40
  41
  42 // raised corner side
  43 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  44         translate([body_l/2 - corner_r,
  45                 body_w/2 - corner_r, 2*wall-eps])
  46         difference() {
  47                 cylinder(r = corner_r + wall, h = corner_side_h+eps);
  48                 translate([0, 0,-eps])
  49                         cylinder(r = corner_r, h = infty);
  50                 translate([-infty, -infty/2, -infty/2]) cube(infty);
  51                 translate([-infty/2, -infty, -infty/2]) cube(infty);
  52         }
  53
  54 // rubber band hooks
  55 for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1])
  56         difference() {
  57                 translate([body_l/2 - corner_r - hook_l,
  58                         body_w/2 - corner_r, 0])
  59                         cube([hook_l, hook_w + corner_r + wall, 2*wall]);
  60                 translate([body_l/2 - corner_r - hook_hole_l,
  61                         body_w/2 + wall, -eps])
  62                         cube([hook_hole_l + eps, hook_hole_w, 2*wall+2*eps]);
  63         }