led-strip-holder.scad

   1 eps = 0.01;
   2 infty = 50;
   3
   4 bar_w = 15 + 1.0;
   5 bar_h = 2 + 1.0;
   6
   7 cable_w = 7;
   8 cable_h = 4;
   9
  10 screw_d = 4;
  11 screw_head = 8;
  12
  13 strip_angle =30;
  14
  15 wall = 1.5;
  16
  17 holder_w = 15;
  18
  19 difference() {
  20         hull($fn =32) {
  21                 translate([wall + bar_h/2, wall + bar_h/2 + (bar_w-bar_h)*sin(strip_angle) +screw_head/2, 0]) {
  22                         cylinder(r = bar_h/2 + wall, h = holder_w);
  23                         rotate([0, 0, -strip_angle]) translate([bar_w-bar_h, 0, 0])
  24                                 cylinder(r = bar_h/2 + wall, h = holder_w);
  25                 }
  26                 translate([0, -wall -screw_head/2, 0]) {
  27                         cube([wall, screw_head + 2*wall, holder_w]);
  28                 }
  29         }
  30         // bar itself
  31         hull($fn =32) {
  32                 translate([wall + bar_h/2, wall + bar_h/2 + (bar_w-bar_h)*sin(strip_angle) +screw_head/2, -eps]) {
  33                         cylinder(r = bar_h/2, h = holder_w+2*eps);
  34                         rotate([0, 0, -strip_angle]) translate([bar_w-bar_h, 0, 0])
  35                                 cylinder(r = bar_h/2, h = holder_w+2*eps);
  36                 }
  37         }
  38         // above the bar
  39         translate([0, wall + bar_h/2 + (bar_w-bar_h)*sin(strip_angle) + screw_head/2, 0])
  40                 rotate([0, 0, -strip_angle]) translate([wall + bar_h/2, bar_h/2 -eps, -eps])
  41                         cube([bar_w - bar_h, infty, holder_w + 2*eps]);
  42
  43         // screw hole
  44         translate([-eps, 0, holder_w/2]) rotate([0, 90, 0]) {
  45                 rotate([0, 0, 90]) {
  46                         cylinder(r = screw_d/2, h = infty, $fn = 6);
  47                         translate([0, 0, wall])
  48                                 cylinder(r = screw_head/2, h = infty, $fn = 6);
  49                 }
  50         }
  51         // cable hole
  52         translate([0, screw_head/2+cable_h/2+wall+(bar_w-bar_h)*sin(strip_angle)+eps, 0])
  53         rotate([0, 0, -strip_angle])
  54         translate([wall + bar_w/2 - cable_w/2 + cable_h/2, -cable_h/2, -eps])
  55         hull() {
  56                 cylinder(r = cable_h/2, h = holder_w + 2*eps);
  57                 translate([cable_w - cable_h, 0, 0])
  58                         cylinder(r = cable_h/2, h = holder_w + 2*eps);
  59         }
  60 }