koupelna-mrizka.scad

   1 include <yenyalib.scad>
   2
   3 sdk = 12;
   4 d_in = 104;
   5 d_out = 140;
   6 wall = 1.2;
   7 h_out = 3;
   8 h_in = h_out + 8.5;
   9 out_angle = 60;
  10 thin_wall = 0.70;
  11 rib_angle = 60;
  12 rib_w = 5;
  13 rib_dist = 9;
  14 rib_off = 1;
  15 top_beam_w = 15;
  16 top_beam_h = 2;
  17
  18 clip_wall = 3;
  19 clip_mid = clip_wall + 3;
  20
  21 magnet_d = 10 + 0.5;
  22 magnet_h = 0.8 + 0.1;
  23
  24 magnet_off = d_in/2 - 1.5*magnet_d;
  25
  26 $fn = 256;
  27
  28 difference() {
  29         cylinder(r1 = d_out/2-h_out*cos(out_angle),
  30                 r2 = d_out/2,
  31                 h = h_out);
  32         Tz(wall) cylinder(r1 = d_out/2-wall-h_out*cos(out_angle),
  33                         r2 = d_out/2-wall,
  34                         h = h_out);
  35         Tz(-eps) cylinder(r = d_in/2-wall+eps,  h = wall+2*eps);
  36 }
  37
  38 difference() {
  39         cylinder(r = d_in/2, h = h_in);
  40         Tz(-eps) cylinder(r = d_in/2-wall, h = h_in + 2*eps);
  41 }
  42
  43 difference() {
  44         intersection() {
  45                 cylinder(r = d_in/2-wall/2, h = h_in);
  46                 union() {
  47                         for(i = [-d_in/2+rib_off:rib_dist:d_in/2]) Tx(i) Ty(-d_in/2) {
  48                                 Tx(-rib_w/2) cube([rib_w, d_in, thin_wall]);
  49                                 Tx(rib_w/2)Ry(-rib_angle) cube([h_in/cos(rib_angle), d_in, thin_wall]);
  50                         }
  51                         translate([-d_in/2, -top_beam_w/2, h_in-top_beam_h])
  52                                 cube([d_in, top_beam_w, top_beam_h]);
  53                 }
  54         }
  55         for (x = [-1, 1]) Sx(x) Tx(magnet_off) Tz(h_in-magnet_h)
  56                 cylinder(r = magnet_d/2, h = magnet_h+eps);
  57 }
  58
  59 Ty(d_out/2 + top_beam_w/2 + 5) difference() {
  60         union() {
  61                 hull() for(x = [-1, 1]) Sx(x) {
  62                         Tx(d_out/2-top_beam_w/2)
  63                                 cylinder(r = top_beam_w/2, h = clip_wall);
  64                 }
  65                 hull() for(x = [-1, 1]) Sx(x) {
  66                         Tx(d_in/2-top_beam_w/2)
  67                                 cylinder(r = top_beam_w/2, h = clip_mid);
  68                 }
  69         }
  70         for (x = [-1, 1]) Sx(x) Tx(magnet_off) Tz(clip_mid-magnet_h)
  71                 cylinder(r = magnet_d/2, h = magnet_h+eps);
  72
  73 }