challenge-bot.com Git - ozzloy@gmail.com/3d-printables/blob - mk2-haribo-spool-holder.scad

   1 /* GNU AGPLv3 (or later at your option)
   2    see bottom for more license info */
   3
   4 /* measurements from misumi's 3030 aluminum extrusion data sheet
   5    https://us.misumi-ec.com/pdf/fa/2012/p2_0545.pdf
   6 */
   7
   8 x = 30;
   9 y = 30;
  10 diagonal = sqrt(pow(30/2, 2) + pow(30/2, 2));
  11 opening_width = 8;
  12 inner_block = 12;
  13
  14 corner_block_inner = (30 - 16.5) / 2;
  15 wall = 2;
  16
  17 $fn = 40;
  18
  19 module arm_half(){
  20   square(inner_block / 2);
  21   rotate(45) {
  22     square([diagonal - wall, wall / 2]); }
  23   translate([x / 2 - corner_block_inner, y / 2 - corner_block_inner]) {
  24     square(corner_block_inner - wall); }
  25   translate([opening_width / 2 + wall, y / 2 - wall]) {
  26     square([(x - opening_width) / 2 - 2 * wall, wall]);
  27     translate([0, wall / 2]){
  28       circle(d = wall); } }
  29   translate([x / 2 - wall, y / 2 - wall]) {
  30     circle(wall); } }
  31
  32 arms = 4;
  33 for(arm = [0:arms - 1]) {
  34   rotate(arm * 360 / arms) {
  35     arm_half();
  36     mirror(){ arm_half(); } } }
  37
  38 /*
  39   This file is part of 3d-printables.
  40
  41   3d-printables is free software: you can redistribute it and/or modify
  42   it under the terms of the GNU Affero General Public License as published by
  43   the Free Software Foundation, either version 3 of the License, or
  44   (at your option) any later version.
  45
  46   3d-printables is distributed in the hope that it will be useful,
  47   but WITHOUT ANY WARRANTY; without even the implied warranty of
  48   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  49   GNU Affero General Public License for more details.
  50
  51   You should have received a copy of the GNU Affero General Public License
  52   along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
  53 */