light-bracket.scad

   1 remote_width=56.2;
   2 remote_height=124.7;
   3 remote_thick=6.8;
   4 mainhole_thick=remote_thick+1;
   5 hook_hook_thick=1.5;
   6 hook_stem_thick=1.5;
   7 hook_hook_len=1.5;
   8 base_thick=6;
   9 base_margin=4.0;
  10 base_width=remote_width-base_margin*2;
  11 base_height=remote_height-base_margin*2;
  12
  13 // origin is base of mainhole
  14
  15 module mainhole() {
  16         translate([ -remote_width/2, 0, 0 ])
  17         cube(center=false,
  18                 size=[ remote_width, remote_height, mainhole_thick ] );
  19 }
  20
  21 module hhook(extent) {
  22         difference() {
  23                 translate([ -hook_stem_thick, 0, -base_thick*2 ])
  24                         cube(center=false, size=[ hook_stem_thick+15, extent,
  25                                 base_thick*2 + mainhole_thick
  26                                         + hook_hook_thick ]);
  27                 translate([hook_hook_len, -5, 0])
  28                          cube(center=false, size=[ 20, extent+10, 30 ]);
  29         }
  30 }
  31
  32 module hhookside(extent) {
  33         translate([ -remote_width/2, 0, 0 ])
  34                 hhook(extent);
  35 }
  36
  37 module hhookbot(extent) {
  38         rotate(a=90, v=[0,0,1]) hhook(extent);
  39 }
  40
  41 module hstuff() {
  42         translate([0,70,0]) hhookside(15);
  43         translate([0,10,0]) hhookside(15);
  44         translate([-10,0,0]) hhookbot(15);
  45 }
  46
  47 module base() {
  48         translate([-base_width/2, base_margin, -base_thick*2])
  49                 cube(center=false, [base_width,base_height,base_thick+10]);
  50 }
  51
  52 module stuff() {
  53         hstuff();
  54         mirror([1,0,0]) hstuff();
  55         base();
  56 }
  57
  58 module screwhole(holedia, csdia) {
  59         // screw goes along z axis downwards
  60         // origin is base of countersink
  61         // results are positive, so this should be subtracted
  62         translate([0,0,-100]) cylinder(h=200, r=holedia/2);
  63         cylinder(h=100, r=csdia/2);
  64 }
  65
  66 difference() {
  67         stuff();
  68         mainhole();
  69         translate([0, 20,               -base_thick+2]) screwhole(4,10);
  70         translate([0, remote_height-30, -base_thick+2]) screwhole(4,10);
  71         translate([0,0,-50 - base_thick])
  72                 cube(center=true,[300,300,100]); // print bed
  73 }