servo-tube-holder-half-center.scad

   1 eps = 0.01;
   2 infty = 200;
   3
   4 wall = 1.0;
   5
   6 tube_d = 8.0 + 0.5;
   7
   8 clip_w = 6;
   9
  10 slot_w = 3;
  11
  12 support_l = 12;
  13 servo_w = 12.5;
  14
  15 cable_w = 5;
  16 cable_zoff = 2;
  17
  18 module clip(support_zoff) {
  19 difference() {
  20         hull() {
  21                 // clip cylinder
  22                 cylinder(r = tube_d/2 + wall, h = clip_w);
  23                 // under the servo
  24                 translate([-servo_w/2-wall, tube_d/2+support_zoff, 0])
  25                         cube([servo_w+2*wall, support_l + wall, clip_w]);
  26         }
  27
  28         // fuse tube
  29         translate([0, 0, -eps])
  30                 cylinder(r = tube_d/2, h = clip_w + 2*eps);
  31
  32         // slot
  33         translate([-slot_w/2, -tube_d,, -eps])
  34                 cube([slot_w, tube_d, clip_w + 2*eps]);
  35
  36         // servo
  37         translate([-servo_w/2, tube_d/2+support_zoff+wall, wall])
  38                 cube([servo_w, support_l + eps, clip_w]);
  39         // cable hole
  40         translate([-cable_w/2, tube_d/2+support_zoff+cable_zoff+wall, -eps])
  41                 cube([cable_w, support_l + eps, clip_w]);
  42 }
  43 }
  44
  45 for (x = [-1, 1]) scale([x, 1, 1])
  46 translate([servo_w, tube_d, 0])
  47         clip(support_zoff = 0);
  48
  49 for (x = [-1, 1]) scale([x, -1, 1])
  50 translate([servo_w, tube_d, 0])
  51         clip(support_zoff = 3);