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

   1 /*
   2   Copyright (C) 2015 Daniel Watson
   3   See the end of the file for license conditions.
   4 */
   5 // challenge-bot
   6 // GNU AGPLv3 (or later at your option)
   7 // project available here:
   8 // https://challenge-bot.com/
   9
  10 // all measurements are in mm unless stated otherwise
  11
  12 // metric version of deck:
  13 deck_length = 250;
  14 deck_width = deck_length;
  15 deck_depth = 5;
  16 deck_pitch = 10;
  17 deck_grid_hole = 3;
  18 deck_hole_type = "square";
  19 deck_centered = true;
  20
  21 /*
  22   // imperial version of deck
  23 deck_length = 203.2; // 8 inches
  24 deck_width = deck_length;
  25 deck_depth = 25.4 * 3 / 16; // 3 / 16 of an inch
  26 deck_pitch = 25.4; // 1 inch
  27 deck_grid_hole = 6.35 / 2; // 1/4 inch diameter, 1/8 inch radius
  28 deck_hole_type = "circle";
  29 */
  30
  31 module deck_2d(width, length, pitch, hole, hole_type, center = false) {
  32   center_width_offset = center ? -(width / 2) : 0;
  33   center_length_offset = center ? -(length / 2) : 0;
  34   translate([center_width_offset, center_length_offset]) {
  35     difference() {
  36       square([width, length]);
  37       for (y = [0:floor(length / pitch) - 1],
  38            x = [0:floor(width / pitch) - 1]) {
  39         translate([pitch * (x + 0.5), pitch * (y + 0.5)]) {
  40           if (hole_type == "circle") {
  41             circle(hole, center = true); }
  42           else if (hole_type == "square") {
  43             square(hole, center = true); }
  44           else {
  45             echo(str("don't know the hole type: ", hole_type)); } } } } } }
  46
  47 module deck(width, length, depth, pitch, hole, hole_type, center = false) {
  48   linear_extrude(height = depth) {
  49     deck_2d(width, length, pitch, hole, hole_type, center); } }
  50
  51 /*
  52   This file is part of challenge-bot.
  53
  54   Challenge-bot is free software: you can redistribute it and/or modify
  55   it under the terms of the GNU Affero General Public License as published by
  56   the Free Software Foundation, either version 3 of the License, or
  57   (at your option) any later version.
  58
  59   GNU Affero Emacs is distributed in the hope that it will be useful,
  60   but WITHOUT ANY WARRANTY; without even the implied warranty of
  61   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  62   GNU Affero General Public License for more details.
  63
  64   You should have received a copy of the GNU Affero General Public License
  65   along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
  66 */