84 lines
3.1 KiB
OpenSCAD
84 lines
3.1 KiB
OpenSCAD
/*
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This file is part of SBC Case Builder https://github.com/hominoids/SBC_Case_Builder
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Copyright 2022,2023,2024,2025 Edward A. Kisiel hominoid@cablemi.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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Code released under GPLv3: http://www.gnu.org/licenses/gpl.html
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rack_end_bracket(side, size, thick)
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*/
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/*
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NAME: rack_end_bracket
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DESCRIPTION: creates rack mounting ears
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TODO: none
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USAGE: rack_end_bracket(side, size, thick)
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side = "left", "right"
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size = "1u", "2u", "3u", "4u"
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thick = thickness of bracket
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*/
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module rack_end_bracket(side, size, thick) {
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depth = size == "1u" ? 44.45 : size == "1u+" ? 59.26 : size == "1u++" ? 74.07 : size == "2u" ? 2*44.45 : size == "3u" ? 3*44.45 : 4*44.45;
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c_fillet = 2;
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hole = 3.2;
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rack_hole = 6;
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tab_width = 25;
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b_width = thick;
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b_depth = depth;
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b_height = 25;
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b_loc = [-thick,0,0];
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adjust = .01;
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$fn=90;
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if(side == "left") {
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translate([thick,-thick,depth]) rotate([270,0,0])
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difference() {
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union() {
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translate([(-tab_width/2),(depth/2),thick/2])
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cube_fillet_inside([tab_width,depth,thick],
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vertical=[0,c_fillet,c_fillet,0],top=[0,0,0,0],bottom=[0,0,0,0], $fn=90);
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translate([(b_width/2)+b_loc[0],(b_depth/2)+b_loc[1],(b_height/2)+b_loc[2]])
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cube_fillet_inside([b_width,b_depth,b_height],
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vertical=[0,0,0,0],top=[c_fillet,0,c_fillet,0],bottom=[0,0,0,0], $fn=90);
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}
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for (c=[7.5:15:depth]) {
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translate([-15,c,-adjust]) slot(rack_hole,3,thick+(adjust*2));
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}
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}
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}
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if(side == "right") {
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translate([-thick,-thick,0]) rotate([270,180,0])
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difference() {
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union() {
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translate([(-tab_width/2),(depth/2),thick/2])
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cube_fillet_inside([tab_width,depth,thick],
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vertical=[0,c_fillet,c_fillet,0],top=[0,0,0,0],bottom=[0,0,0,0], $fn=90);
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translate([(b_width/2)+b_loc[0],(b_depth/2)+b_loc[1],(b_height/2)+b_loc[2]])
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cube_fillet_inside([b_width,b_depth,b_height],
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vertical=[0,0,0,0],top=[c_fillet,0,c_fillet,0],bottom=[0,0,0,0], $fn=90);
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}
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for (c=[7.5:15:depth]) {
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translate([-15,c,-adjust]) slot(rack_hole,3,thick+(adjust*2));
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}
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}
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}
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}
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