servo-tube-holder.scad

   1 eps = 0.01;
   2 infty = 200;
   3
   4 wall = 1.5;
   5 thin_wall = 1.0;
   6
   7 fuse_tube_d = 8.0;
   8 clip_w = 5;
   9
  10 slot_w = 3;
  11
  12 servo_l = 22.5;
  13 servo_w = 12.5;
  14
  15 beam_w = fuse_tube_d/2 + wall;
  16
  17 translate([0, -clip_w, 0])
  18         fuse_clip();
  19 translate([0, servo_l, 0])
  20         fuse_clip();
  21
  22 difference() {
  23         union() {
  24                 // servo frame
  25                 translate([-wall, -servo_l/2-clip_w, 0])
  26                         cube([servo_w + 2*wall, servo_l + 2*clip_w, wall]);
  27                 // main beam
  28                 translate([-beam_w, -servo_l/2-clip_w, 0])
  29                         cube([beam_w, servo_l + 2*clip_w, beam_w]);
  30                 // clips
  31                 for (y = [-1, 1]) scale([1, y, 1])
  32                 translate([-fuse_tube_d - 2*wall, servo_l/2, 0])
  33                         cube([fuse_tube_d + 2*wall, clip_w, fuse_tube_d + 2*wall]);
  34
  35         }
  36         // hole for servo
  37         translate([0, -servo_l/2, -eps])
  38                 cube([servo_w, servo_l, wall + 2*eps]);
  39         // fuse tube
  40         translate([-fuse_tube_d/2-wall, servo_l/2+clip_w+eps, fuse_tube_d/2+wall])
  41                         rotate([90, 0, 0])
  42                         cylinder(r = fuse_tube_d/2, h = servo_l +2*clip_w + 2*eps);
  43         // fuse tube slot
  44         translate([-fuse_tube_d/2-wall-slot_w/2, -servo_l/2-clip_w-eps, fuse_tube_d/2+wall])
  45                 cube([slot_w, servo_l + 2*clip_w + 2*eps, fuse_tube_d/2+wall+eps]);
  46 }
  47