led-strip-holder1.scad

   1 infty = 1000;
   2 eps = 0.01;
   3
   4 wall = 2;
   5 screw_hole = 3.5;
   6 screw_l = 3;
   7 screw_off = 10;
   8
   9 cable_w = 7;
  10 cable_h = 3;
  11 cable_off = 24;
  12
  13 led_w = 10;
  14 led_h = 2.5;
  15 led_d = (pow(led_w/2, 2) - pow(led_h, 2))
  16                 / (2 * led_h);
  17
  18 holder_w = 8.5;
  19
  20 vert_l = 20;
  21
  22 module body() {
  23         cube([wall, vert_l + wall, holder_w]);
  24 //      translate([-10, -wall, 0])
  25 //              cube([10+wall, wall+eps, holder_w]);
  26         hull() {
  27                 for (x = [0, cable_w - 2*cable_h])
  28                 translate([0, cable_off+x, 0])
  29                         cylinder(r = cable_h + wall, h = holder_w, $fn = 64);
  30         }
  31         translate([-led_w/2, led_d, 0])
  32         cylinder(r = led_d + led_h + wall, h = holder_w);
  33 }
  34
  35 difference() {
  36         body();
  37         translate([-50, 0, -50/2]) cube(50);
  38         // screw hole
  39         hull() {
  40                 for (x = [0, screw_l])
  41                         translate([-eps, screw_off + x, holder_w/2])
  42                         rotate([0, 90, 0])
  43                         rotate([0, 0, 90])
  44                         cylinder(r = screw_hole/2, h = wall + 2*eps, $fn = 6);
  45         }
  46         // cable hole
  47         hull() {
  48                 for (x = [0, cable_w - 2*cable_h])
  49                 translate([0, cable_off+x, -eps])
  50                         cylinder(r = cable_h, h = holder_w + 2*eps, $fn = 64);
  51         }
  52         // led strip
  53         intersection() {
  54                 translate([-led_w/2, led_d, -eps])
  55                         cylinder(r = led_d + led_h, h = holder_w + 2*eps);
  56                 translate([-50, -50/2, -50/2]) cube(50);
  57         }
  58         // strip off the vertical part of led strip cylinder
  59         translate([wall, -50+screw_off, -50/2]) cube(50);
  60 }