skrpro-mount.scad

   1 eps = 0.01;
   2 infty = 200;
   3
   4 hole_dist = 87;
   5 hole_d = 3;
   6 hole_sep = 5;
   7
   8 pcb_side_l = hole_dist+2*hole_sep;
   9 frame_l = 56;
  10 frame_w = 6.5;
  11 frame_wall = 2.5;
  12 frame_wall_front = 4;
  13
  14 body_w = 15;
  15 body_h = 15;
  16 pcb_h  = 12;
  17 pcb_bot = 8;
  18
  19 frame_open_x = 5;
  20 frame_open_y = 15;
  21
  22 nylon_d = 3 + 0.7;
  23 nylon_wall = 2;
  24
  25 module body() {
  26         // pcb-side arm
  27         cube([pcb_side_l, body_h, body_w]);
  28         // frame-side arm
  29         translate([-frame_w-frame_wall-frame_wall_front, 0, 0])
  30                 cube([body_h+frame_w+frame_wall, frame_l + 2*frame_wall, body_w]);
  31 }
  32
  33 difference() {
  34         body();
  35
  36         // pcb hole far
  37         translate([pcb_side_l - hole_sep, -eps, body_w-hole_sep])
  38                 rotate([-90, 0, 0])
  39                 cylinder(r = hole_d/2, h = body_h + 2*eps);
  40         // pcb hole near the corner
  41         translate([hole_sep, -eps, body_w-hole_sep])
  42                 rotate([-90, 0, 0])
  43                 cylinder(r = hole_d/2, h = body_h + 2*eps);
  44         // pcb
  45         translate([0, pcb_h, body_w-2*hole_sep])
  46                 cube([pcb_side_l + eps, frame_l, body_w]);
  47         // under the pcb
  48         translate([2*hole_sep, pcb_bot, body_w-2*hole_sep])
  49                 cube([pcb_side_l - 4*hole_sep, body_h, body_w]);
  50
  51         // frame
  52         translate([-frame_w-frame_wall_front, frame_wall, -eps])
  53                 cube([frame_w, frame_l, body_w + 2*eps]);
  54         // frame opening
  55         translate([-frame_w-frame_wall_front-frame_open_x, frame_wall+frame_open_y, -eps])
  56                 cube([frame_w, frame_l, body_w + 2*eps]);
  57         // frame mounting hole
  58         translate([-frame_wall_front-eps-body_h, frame_wall+hole_sep, body_w/2])
  59                 rotate([0, 90, 0])
  60                 rotate([0, 0, 90])
  61                 cylinder(r = hole_d/2, h = body_h + 2*eps, $fn = 6);
  62         // nylon string hole
  63         translate([0, nylon_d/2 + nylon_wall, nylon_d/2 + nylon_wall])
  64         rotate([0, 90, 0])
  65         rotate([0, 0, 90])
  66                 cylinder(r = nylon_d/2, h = pcb_side_l + eps, $fn = 6);
  67 }
  68