scad/y-belt-holder.scad

   1
   2 // Y belt holder
   3 // GNU GPL v3
   4 // Josef Průša <josefprusa@me.com>
   5 // Václav 'ax' Hůla <axtheb@gmail.com>
   6 // Alterations for reprap Wilson by Martin Rice <mrice411@gmail.com>
   7 // (this is exactly like the box-frame Y belt holder)
   8
   9 include <configuration.scad>
  10 include <functions.scad>
  11
  12 use_fillets = 1;
  13 extratallness = 0;
  14
  15 module y_belt_holder(len=40) {
  16     y_delta = -2.5;
  17     ybelt_hole_to_side = 5;
  18     real_len = len + 2 * ybelt_hole_to_side;
  19     screw_hole_z_offset = 0;
  20
  21     difference(){
  22         union(){
  23
  24             translate([-21 - belt_thickness, -7, 0]) cube_fillet([13 + y_delta, 14, len], vertical=[3,0,0,0], fn=8 );
  25             translate([-14, -5.5, len / 2])          cube_fillet([24 + 2 * y_delta, 3, len], vertical=[3, 0, 0, 0], center = true);
  26             translate([-24.5-extratallness/2, 0, real_len / 2])      cube_fillet([11.5+extratallness, 16+3, real_len], center = true, vertical = [1, 1, 1, 1], $fn=16);
  27             translate([-4.0 + y_delta, 0, len / 2])  cube_fillet([8, 14, len], center = true, vertical = [2,2,0,2]);
  28
  29         }
  30         translate([-4.5 + y_delta, 0, real_len / 2]) cube([10, 10, 10], center = true);
  31         translate([-11, 0, ybelt_hole_to_side + len]) {
  32             translate([screw_hole_z_offset,0,0]) rotate([0, -90, 0]) plate_screw(20);
  33             translate([8 + y_delta, 0, 0]) cube([10, 9, 9], center=true);
  34         }
  35         translate([-11, 0, ybelt_hole_to_side]) {
  36             translate([screw_hole_z_offset,0,0]) rotate([0, -90, 0]) plate_screw(20);
  37             translate([8 + y_delta, 0, 0]) cube([10, 9, 9], center=true);
  38         }
  39
  40         translate([-8 + y_delta, 0, 0]) mirror([1, 0, 0]) belt(real_len);
  41     }
  42 }
  43
  44
  45 y_belt_holder();