scooter.scad

   1 infty = 50;
   2 eps = 0.01;
   3
   4 wall = 2;
   5
   6 led_d = 5 + 0.5;
   7 led_l = 3;
   8 led_d1 = 7 + 0.3; // sirsi cast LEDky
   9 led_l1 = 3; // prostor pro vlozeni LEDky
  10
  11 led_angle_pitch = 36.6 - 10;
  12
  13 tube_inner_d = 23;
  14 tube_depth = 8;
  15 top_h = 17;
  16
  17 module led() {
  18         color("red") {
  19                 cylinder(r = led_d/2, h = led_l);
  20                 translate([0, 0, led_l]) sphere(led_d/2);
  21                 translate([0, 0, -led_l1]) cylinder(r=led_d1/2, h=led_l1+eps);
  22         };
  23 /*
  24         color("gray") {
  25                 translate([0, 0, -led_l1]) cylinder(r=led_d1/2, h=led_l1-wall+eps);
  26         }
  27 */
  28 }
  29
  30
  31 module bottom_body() {
  32         cylinder(r = tube_inner_d/2 - wall/2, h = tube_depth+eps);
  33         for (ang = [0:30:360])
  34                 rotate([0, 0, ang])
  35                 translate([tube_inner_d/2 - wall/2, 0, -eps])
  36                         cylinder(r = wall/2, h = tube_depth + 3*eps, $fn = 4);
  37 }
  38
  39 module bottom() {
  40         difference() {
  41                 bottom_body();
  42                 translate([0, 0, -eps])
  43                         cylinder(r = tube_inner_d/2 - 3*wall/2, h = tube_depth + 3*eps);
  44         }
  45 }
  46
  47 module top_body() {
  48         hull() {
  49                 cylinder(r = tube_inner_d/2 + wall, h = wall);
  50                 rotate([0, led_angle_pitch, 0])
  51                         translate([0, 0, top_h])
  52                         cylinder(r = led_d/2 + wall, h = eps);
  53         }
  54 }
  55
  56
  57 module top() {
  58         difference() {
  59                 top_body();
  60                 rotate([0, led_angle_pitch, 0])
  61                         translate([0, 0, top_h-led_l])
  62                         difference() {
  63                                 # led();
  64                                 for (a = [0:60:360])
  65                                         rotate([0, 0, a])
  66                                         translate([0, led_d1/2, -led_l1-eps])
  67                                         cylinder(r1 = wall/3, h = led_l1+3*eps, r2 = 0);
  68                         }
  69                 hull() {
  70                         translate([0, 0, -eps])
  71                                 cylinder(r = tube_inner_d/2-3*wall/2, h = eps);
  72                         rotate([0, led_angle_pitch, 0])
  73                                 translate([0, 0, top_h-led_l-led_l1])
  74                                         cylinder(r = led_d1/2, h = eps);
  75                 };
  76         };
  77 }
  78
  79 module main() {
  80         rotate([0, -led_angle_pitch, 0]) {
  81                 translate([0, 0, -tube_depth])
  82                         bottom();
  83                 top();
  84         }
  85 }
  86
  87 /* // preview
  88 difference() {
  89         main();
  90         translate([0, 0, -infty/2])
  91                 rotate([0, 0, 45])
  92                 cube(infty);
  93         translate([0, 0, -infty/2])
  94                 cube(infty);
  95 }
  96 */
  97
  98 rotate([0, 180, 0]) main();
  99