madstab-joiner-end.scad

   1 eps = 0.01;
   2 infty = 200;
   3
   4 wall = 2.0;
   5 thin_wall = 0.6;
   6
   7 stab_tube_d = 2.0 + 0.5;
   8 stab_tube_l = 24;
   9 stab_tube_wall = 1.5;
  10 stab_tube_xoff = 2;
  11
  12 fuse_tube_d = 8.0;
  13 fuse_tube_l = 12;
  14
  15 slot_w = 3.5;
  16
  17 base_d = 15;
  18 base_h = 0.6;
  19
  20 fiber_hole_d = 1.2;
  21
  22 module body() {
  23         // fuse tube
  24         hull() {
  25                 translate([-fuse_tube_d/2-wall, -fuse_tube_l/2, 0])
  26                         cube([fuse_tube_d + wall, fuse_tube_l, eps]);
  27                 translate([0, fuse_tube_l/2, fuse_tube_d/2+wall])
  28                 rotate([90, 0, 0])
  29                         cylinder(r = fuse_tube_d/2 + wall, h = fuse_tube_l);
  30         }
  31         // stab tube + support
  32         hull() {
  33                 translate([-fuse_tube_d/2-stab_tube_xoff-wall, fuse_tube_l/2-wall, 0])
  34                         cube([stab_tube_l, stab_tube_d/2+wall, stab_tube_d + 2*stab_tube_wall]);
  35                 translate([-fuse_tube_d/2 - wall, -fuse_tube_l/2, 0])
  36                         cube([fuse_tube_d + wall, eps, thin_wall]);
  37         }
  38 }
  39
  40 difference() {
  41         body();
  42         // fuse tube hole
  43         translate([0, fuse_tube_l/2+eps, fuse_tube_d/2+wall])
  44         rotate([90, 0, 0])
  45                 cylinder(r = fuse_tube_d/2, h = fuse_tube_l + 2*eps);
  46         // fuse tube slot
  47         translate([-slot_w/2, -fuse_tube_l/2-eps, fuse_tube_d/2+wall])
  48                 cube([slot_w, fuse_tube_l + 2*eps, fuse_tube_d/2+wall+eps]);
  49
  50         // stab tube
  51         translate([-fuse_tube_d/2-stab_tube_xoff-wall-eps, fuse_tube_l/2 + stab_tube_d/2, stab_tube_d/2 +stab_tube_wall])
  52         rotate([0, 90, 0])
  53                 cylinder(r = stab_tube_d/2, h = stab_tube_l + 2*eps, $fn = 6);
  54
  55         // right fiber hole
  56         translate([-fuse_tube_d/2-wall-fiber_hole_d/2, fuse_tube_l/2-wall-fiber_hole_d/2, -eps])
  57                 cylinder(r = fiber_hole_d/2, h = stab_tube_d + 2*stab_tube_wall + 2*eps, $fn = 6);
  58         // right fiber slot
  59         translate([-fuse_tube_d/2-wall-fiber_hole_d/2, fuse_tube_l/2+stab_tube_d/2, -eps])
  60                 cylinder(r = fiber_hole_d/2, h = stab_tube_d + 2*stab_tube_wall + 2*eps, $fn = 6);
  61         // left fiber hole
  62         translate([stab_tube_l-fuse_tube_d/2-stab_tube_xoff-2*wall-fiber_hole_d/2, fuse_tube_l/2-wall-fiber_hole_d/2, -eps])
  63                 cylinder(r = fiber_hole_d/2, h = stab_tube_d + 2*stab_tube_wall + 2*eps, $fn = 6);
  64         // left fiber slot
  65         translate([stab_tube_l-fuse_tube_d/2-stab_tube_xoff-2*wall-fiber_hole_d/2, fuse_tube_l/2+stab_tube_d/2, -eps])
  66                 cylinder(r = fiber_hole_d/2, h = stab_tube_d + 2*stab_tube_wall + 2*eps, $fn = 6);
  67 }
  68
  69 // endpoint stopper
  70
  71 /*
  72 translate([0, 2*fuse_tube_l, 0])
  73 difference() {
  74         union() {
  75                 cylinder(r = stab_tube_d/2 + wall, h = wall);
  76                 translate([0, 0, wall-eps])
  77                         cylinder(r1 = stab_tube_d/2 + wall, r2 = stab_tube_d/2+thin_wall, h = wall);
  78         }
  79         translate([0, 0, -eps])
  80                 cylinder(r = stab_tube_d/2, h = 2*wall + 2*eps);
  81 }
  82 */
  83