Commit | Line | Data |
---|---|---|
a3f445db CE |
1 | // super simple feet for metal shelving |
2 | // Created 2017 Clinton Ebadi <clinton@unknownlamer.org> | |
3 | ||
4 | // Released under the https://wiki.creativecommons.org/wiki/CC0 | |
5 | // To the extent possible under law, Clinton Ebadi has waived all | |
6 | // copyright and related or neighboring rights to super simple feet | |
7 | // for metal shelving. | |
8 | ||
9 | // Length of slot for shelving leg | |
10 | slot_length = 32; | |
11 | // Thickness of slot for shelving leg | |
12 | slot_thickness = 1.8; | |
13 | ||
14 | // Thickness of wall around slot | |
15 | wall_thickness = 3; | |
16 | ||
17 | // Depth of the base foot | |
18 | base_depth = 4; | |
19 | // Depth of the slot and walls around the length | |
20 | slot_depth = 20; | |
21 | // Offset for leg slot into the base | |
22 | slot_offset = -1; | |
23 | ||
24 | $fs = 0.1; | |
25 | ||
26 | foot (); | |
27 | ||
28 | module base () { | |
29 | side = slot_length + slot_thickness/2; | |
30 | offset (r = wall_thickness) polygon ([ [0, 0], [ side , 0], [0, side] ]); | |
31 | } | |
32 | ||
33 | module walls () { | |
34 | intersection () { | |
35 | offset (r = wall_thickness) { | |
36 | square ([slot_thickness, slot_length + slot_thickness/2]); | |
37 | square ([slot_length + slot_thickness/2, slot_thickness]); | |
38 | } | |
39 | base (); | |
40 | } | |
41 | } | |
42 | ||
43 | module slot () { | |
44 | square ([slot_thickness, slot_length]); | |
45 | square ([slot_length, slot_thickness]); | |
46 | ||
47 | // tiny chamfer around bend | |
48 | x = 2; | |
49 | polygon ([ [0, 0], [ slot_thickness*2+x/2, 0], [0, slot_thickness*2+x/2] ]); | |
50 | } | |
51 | ||
52 | ||
53 | module foot () { | |
54 | difference () { | |
55 | union () { | |
56 | linear_extrude (base_depth) base (); | |
57 | translate ([0, 0, base_depth+slot_offset]) linear_extrude (slot_depth+slot_offset) walls (); | |
58 | } | |
59 | translate ([0, 0, base_depth+slot_offset]) linear_extrude (slot_depth+slot_offset+0.1) slot (); | |
60 | } | |
61 | } |