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50 lines
1.6 KiB
OpenSCAD
50 lines
1.6 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2020
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! Cylindrical and ring magnets.
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//
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include <../utils/core/core.scad>
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function magnet_od(type) = type[1]; //! Outer diameter
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function magnet_id(type) = type[2]; //! Inside diameter if a ring
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function magnet_h(type) = type[3]; //! Height
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function magnet_r(type) = type[4]; //! Corner radius
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module magnet(type) { //! Draw specified magnet
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od = magnet_od(type);
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id = magnet_id(type);
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h = magnet_h(type);
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r = magnet_r(type);
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//vitamin(str("magnet(", type[0], "): Magnet ", od, "mm diameter, ", h, "mm high", id ? str(", ", id, "mm bore") : "" ));
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or = od / 2;
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ir = id / 2;
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color(silver)
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rotate_extrude()
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union() {
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translate([ir, 0])
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rounded_square([or - ir, h], r, center = false);
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if(!ir)
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square([r, h]);
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}
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}
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