firefly-q6-hood.scad

   1 eps = 0.01;
   2
   3 // Q6 lens dimensions
   4 yellow_ring_d = 19.5 + 0.5;
   5 yellow_ring_h = 3.5;
   6
   7 view_angle = 95;
   8
   9 hood_h = 20;
  10 hood_top_d = 30;
  11
  12 lens_d = 15;
  13 wall = 1.5;
  14 rectangle_h = 80;
  15 rectangle_w2h = 1.777;
  16
  17 rect_d2 = rectangle_h * tan(view_angle/2);
  18 rect_x = 2*rect_d2/sqrt(1+rectangle_w2h*rectangle_w2h);
  19 rect_y = rectangle_w2h * rect_x;
  20 $fn = 128;
  21 difference() {
  22         // body
  23         hull() {
  24                 cylinder(r = yellow_ring_d/2 + wall, h = yellow_ring_h);
  25                 translate([0, 0, hood_h-eps])
  26                         cylinder(r = hood_top_d/2 + wall, h = eps);
  27         }
  28         translate([0, 0, -eps])
  29                 cylinder(r = yellow_ring_d/2, h = yellow_ring_h+2*eps);
  30         // walls of the cone
  31         hull() {
  32                 translate([0, 0, yellow_ring_h])
  33                         cylinder(r = yellow_ring_d/2, h = eps);
  34                 translate([0, 0, hood_h])
  35                         cylinder(r = hood_top_d/2, h = eps);
  36         }
  37         hull() {
  38                 cylinder(r = lens_d/2, h = eps);
  39                 // translate([0, 0, rectangle_h])
  40                 //      cylinder(r = rect_d2 - 5, h = eps);
  41                 translate([-rect_x/2, -rect_y/2, rectangle_h])
  42                         cube([rect_x, rect_y, eps]);
  43         }
  44
  45 }
  46
  47
  48