switch-holder.scad

   1 include <yenyalib.scad>
   2
   3 $fn = 128;
   4
   5 wall = 1.67;
   6
   7 switch_d = 13.4; // zvenku 17.5, hloubka i s kontakty 12.5
   8 switch_cut = 0.8;
   9
  10 body_w = 30;
  11 body_h = 60;
  12 body_depth = 30;
  13 bottom_depth = 15;
  14
  15 bottom_r = 12;
  16 screw_d = 3.5;
  17
  18 difference() {
  19         hull() {
  20                 Tx(-body_w/2) cube([body_w, eps, body_depth]);
  21                 Mx() Tx(body_w/2-bottom_r) Ty(body_h - bottom_r) union() {
  22                         cylinder(r1 = bottom_r-wall/2, r2=bottom_r,h = wall);
  23                         Tz(wall)
  24                                 cylinder(r = bottom_r, h = bottom_depth-wall);
  25                 }
  26         }
  27         Tz(wall) hull() {
  28                 Tx(-body_w/2+wall) Ty(wall)
  29                         cube([body_w-2*wall, eps, body_depth]);
  30                 Mx() Tx(body_w/2-bottom_r) Ty(body_h - bottom_r)
  31                         cylinder(r = bottom_r-wall, h = body_depth);
  32         }
  33         // sw1
  34         for (y = [0.3*body_h, 0.75*body_h]) Ty(y) difference() {
  35                 Tz(-eps)
  36                         cylinder(r = switch_d/2, h = wall + 2*eps);
  37                 Tz(-2*eps) Tx(switch_d/2-switch_cut) Ty(-switch_d/2)
  38                         cube([switch_cut+eps, switch_d, wall + 4*eps]);
  39         }
  40         for (z = [body_depth/4, 3*body_depth/4+wall],
  41                 x = [-body_w/4, body_w/4])
  42                 translate([x, -eps, z]) Rx(-90)
  43                 cylinder(r = screw_d/2, h = wall + 2*eps, $fn = 6);
  44 }