add base flange for stability
[ozzloy@gmail.com/3d-printables] / foot-riser-data.scad
1 /* GNU AGPLv3 (or later at your option)
2 see bottom for more license info */
3
4 /* riser foot for raising bathroom shelves */
5
6 $fn = 200;
7
8 fudge = 1;
9 // how much higher the shelf needs to be
10 extra_height = 150;
11 // radius of foot of shelf actually measured with calipers
12 foot_radius_measured = 42 / 2;
13 foot_radius = foot_radius_measured + fudge;
14 wall_thickness = 3;
15
16 module ring_2d(inner_radius, outer_radius) {
17 difference() {
18 circle(outer_radius);
19 circle(inner_radius); } }
20
21 module foot_riser(foot_radius, extra_height) {
22 foot_surround_height = 25;
23 outer_radius = foot_radius + wall_thickness;
24 flange_radius = outer_radius + foot_radius * 2;
25 flange_height = foot_radius / 2;
26 // raise the foot
27 linear_extrude(height = extra_height) {
28 circle(foot_radius); }
29 // surround the foot so it stays on riser
30 linear_extrude(height = extra_height + foot_surround_height) {
31 ring_2d(foot_radius, outer_radius); }
32 // put a flange at the bottom of the foot for stability
33 linear_extrude(height = flange_height) {
34 ring_2d(outer_radius, flange_radius); } }
35
36 /*
37 This file is part of 3d-printables.
38
39 3d-printables is free software: you can redistribute it and/or modify
40 it under the terms of the GNU Affero General Public License as published by
41 the Free Software Foundation, either version 3 of the License, or
42 (at your option) any later version.
43
44 3d-printables is distributed in the hope that it will be useful,
45 but WITHOUT ANY WARRANTY; without even the implied warranty of
46 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
47 GNU Affero General Public License for more details.
48
49 You should have received a copy of the GNU Affero General Public License
50 along with challenge-bot. If not, see <http://www.gnu.org/licenses/>.
51 */