/* GNU AGPLv3 (or later at your option)
   see bottom for more license info */

/* riser foot for raising bathroom shelves */

$fn = 200;

fudge = 1;
// how much higher the shelf needs to be
extra_height = 150;
// radius of foot of shelf actually measured with calipers
foot_radius_measured = 42 / 2;
foot_radius = foot_radius_measured + fudge;
wall_thickness = 3;

module ring_2d(inner_radius, outer_radius) {
  difference() {
    circle(outer_radius);
    circle(inner_radius); } }

module foot_riser(foot_radius, extra_height) {
  foot_surround_height = 25;
  outer_radius = foot_radius + wall_thickness;
  flange_radius = outer_radius + foot_radius * 2;
  flange_height = foot_radius / 2;
  // raise the foot
  linear_extrude(height = extra_height) {
    circle(foot_radius); }
  // surround the foot so it stays on riser
  linear_extrude(height = extra_height + foot_surround_height) {
    ring_2d(foot_radius, outer_radius); }
  // put a flange at the bottom of the foot for stability
  linear_extrude(height = flange_height) {
    ring_2d(outer_radius, flange_radius); } }

module foot_riser_against_wall(foot_radius, extra_height) {
  foot_surround_height = 25;
  outer_radius = foot_radius + wall_thickness;
  flange_radius = outer_radius + foot_radius * 2;
  flange_height = foot_radius / 2;
  // raise the foot
  linear_extrude(height = extra_height) {
    circle(foot_radius); }
  // surround the foot so it stays on riser
  linear_extrude(height = extra_height + foot_surround_height) {
    ring_2d(foot_radius, outer_radius); }
  // put a flange at the bottom of the foot for stability
  linear_extrude(height = flange_height) {
    difference() {
      ring_2d(outer_radius, flange_radius);
      translate([outer_radius + flange_radius + 1, 0]) {
        square(flange_radius * 2, center=true); } } } }

/*
  This file is part of 3d-printables.

  3d-printables is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  3d-printables is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
*/