challenge-bot.com Git - challenge-bot/blob - 3d-printables/deck.scad

   1 // challenge-bot
   2 // GNU AGPLv3 (or later at your option)
   3 // project available at these locations:
   4 // https://gitorious.org/ozzloy/challenge-bot
   5 // https://github.com/waynegramlich/challenge-bot
   6
   7 // all measurements are in mm unless stated otherwise
   8
   9   // metric version of deck:
  10 deck_length = 200;
  11 deck_width = deck_length;
  12 deck_depth = 5;
  13 deck_pitch = 10;
  14 deck_grid_hole = 3;
  15 deck_hole_type = "square";
  16
  17   /*
  18     // imperial version of deck
  19 deck_length = 203.2; // 8 inches
  20 deck_width = deck_length;
  21 deck_depth = 25.4 * 3 / 16; // 3 / 16 of an inch
  22 deck_pitch = 25.4; // 1 inch
  23 deck_grid_hole = 6.35 / 2; // 1/4 inch diameter, 1/8 inch radius
  24 deck_hole_type = "circle";
  25   */
  26
  27 module deck_2d(width, length, pitch, hole, hole_type, center=false){
  28   center_width_offset = center ? -(width / 2): 0;
  29   center_length_offset = center ? -(length / 2): 0;
  30   translate([center_width_offset, center_length_offset]){
  31     difference(){
  32       square([width, length]);
  33       for (y = [0:floor(length / pitch) - 1],
  34            x = [0:floor(width / pitch) - 1]){
  35         translate([pitch * (x + 0.5), pitch * (y + 0.5)]){
  36           if (hole_type == "circle"){
  37             circle(hole, center = true);}
  38           else if (hole_type == "square") {
  39             square(hole, center = true);}
  40           else {
  41             echo(str("don't know the hole type: ", hole_type));}}}}}}
  42
  43 module deck(width, length, depth, pitch, hole, hole_type, center=false){
  44   linear_extrude (height = depth){
  45     deck_2d(width, length, pitch, hole, hole_type, center);}}
  46
  47 deck_2d(deck_width,
  48         deck_length,
  49         deck_pitch,
  50         deck_grid_hole,
  51         deck_hole_type);