c34a06d4 |
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 | opening_depth = 9; |
13 | slot_major_width = 16.5; |
14 | inner_block = 12; |
15 | inner_hole = 6.8 / 2; |
16 | |
17 | major_block_corner_diameter = 4; |
18 | major_block_corner_radius = major_block_corner_diameter / 2; |
19 | major_block = 30 - major_block_corner_diameter; |
20 | |
21 | corner_block_inner = (30 - 16.5) / 2; |
22 | wall = 2; |
23 | |
24 | $fn = 40; |
25 | |
26 | intersection(){ |
27 | minkowski() { |
28 | square(x - major_block_corner_diameter, center=true); |
29 | circle(major_block_corner_radius); } |
30 | |
31 | union(){ |
32 | square(inner_block / 2); |
33 | rotate(45) translate([diagonal/2, 0]) square([diagonal, wall], center=true); |
34 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
35 | square([corner_block_inner, corner_block_inner]); } |
36 | translate([opening_width / 2, y/2 - wall]) { |
37 | square([(x - opening_width) / 2, wall]); } |
38 | |
39 | mirror([1, -1]) { |
40 | square(inner_block / 2); |
41 | rotate(45) { |
42 | translate([diagonal/2, 0]) { |
43 | square([diagonal, wall], center=true); } } |
44 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
45 | square([corner_block_inner, corner_block_inner]); } |
46 | translate([opening_width / 2, y/2 - wall]) { |
47 | square([(x - opening_width) / 2, wall]); } } |
48 | |
49 | rotate(90){ |
50 | square(inner_block / 2); |
51 | rotate(45) { |
52 | translate([diagonal/2, 0]) { |
53 | square([diagonal, wall], center=true); } } |
54 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
55 | square([corner_block_inner, corner_block_inner]); } |
56 | translate([opening_width / 2, y/2 - wall]) { |
57 | square([(x - opening_width) / 2, wall]); } |
58 | |
59 | mirror([1, -1]) { |
60 | square(inner_block / 2); |
61 | rotate(45) { |
62 | translate([diagonal/2, 0]) { |
63 | square([diagonal, wall], center=true); } } |
64 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
65 | square([corner_block_inner, corner_block_inner]); } |
66 | translate([opening_width / 2, y/2 - wall]) { |
67 | square([(x - opening_width) / 2, wall]); } } } |
68 | |
69 | rotate(180){ |
70 | square(inner_block / 2); |
71 | rotate(45) { |
72 | translate([diagonal/2, 0]) { |
73 | square([diagonal, wall], center=true); } } |
74 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
75 | square([corner_block_inner, corner_block_inner]); } |
76 | translate([opening_width / 2, y/2 - wall]) { |
77 | square([(x - opening_width) / 2, wall]); } |
78 | |
79 | mirror([1, -1]) { |
80 | square(inner_block / 2); |
81 | rotate(45) { |
82 | translate([diagonal/2, 0]) { |
83 | square([diagonal, wall], center=true); } } |
84 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
85 | square([corner_block_inner, corner_block_inner]); } |
86 | translate([opening_width / 2, y/2 - wall]) { |
87 | square([(x - opening_width) / 2, wall]); } } } |
88 | |
89 | rotate(270){ |
90 | square(inner_block / 2); |
91 | rotate(45) { |
92 | translate([diagonal/2, 0]) { |
93 | square([diagonal, wall], center=true); } } |
94 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
95 | square([corner_block_inner, corner_block_inner]); } |
96 | translate([opening_width / 2, y/2 - wall]) { |
97 | square([(x - opening_width) / 2, wall]); } |
98 | |
99 | mirror([1, -1]) { |
100 | square(inner_block / 2); |
101 | rotate(45) { |
102 | translate([diagonal/2, 0]) { |
103 | square([diagonal, wall], center=true); } } |
104 | translate([x / 2-corner_block_inner, y / 2 - corner_block_inner]) { |
105 | square([corner_block_inner, corner_block_inner]); } |
106 | translate([opening_width / 2, y/2 - wall]) { |
107 | square([(x - opening_width) / 2, wall]); } } } } } |
108 | |
109 | /* |
110 | This file is part of 3d-printables. |
111 | |
112 | 3d-printables is free software: you can redistribute it and/or modify |
113 | it under the terms of the GNU Affero General Public License as published by |
114 | the Free Software Foundation, either version 3 of the License, or |
115 | (at your option) any later version. |
116 | |
117 | 3d-printables is distributed in the hope that it will be useful, |
118 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
119 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
120 | GNU Affero General Public License for more details. |
121 | |
122 | You should have received a copy of the GNU Affero General Public License |
123 | along with challenge-bot. If not, see <http://www.gnu.org/licenses/>. |
124 | */ |