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https://github.com/DJSundog/NopSCADlib.git
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75 lines
3.2 KiB
OpenSCAD
75 lines
3.2 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2018
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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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//! PCB mounted buttons. Can optionally have a coloured cap
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//
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include <../utils/core/core.scad>
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use <../utils/rounded_cylinder.scad>
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function square_button_width(type) = type[1]; //! Width and depth of the base
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function square_button_height(type) = type[2]; //! Height of the base
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function square_button_wall(type) = type[3]; //! Offset of the metal part
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function square_button_rivit(type) = type[4]; //! Size of the corner rivets
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function square_button_d(type) = type[5]; //! Button diameter
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function square_button_h(type) = type[6]; //! Height of the button above the PCB
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function square_button_cap_flange_d(type) = type[7]; //! Diameter of the flange of the cap
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function square_button_cap_d(type) = type[8]; //! Diameter of the body of the cap
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function square_button_cap_h(type) = type[9]; //! Height of the cap including the stem
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function square_button_cap_stem(type) = type[10]; //! Length of the cap stem
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function square_button_cap_flange_h(type) = type[11]; //! Height of the cap flange
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module square_button(type, colour = "yellow") { //! Draw square button with specified cap colour if it has a cap
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w = square_button_width(type);
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flange_d = square_button_cap_flange_d(type);
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vitamin(str("square_button(", type[0], flange_d ? str(", \"", colour, "\"") : "", "): Square button ", w, "mm",
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flange_d ? str(" with ", colour, " cap") : ""));
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h = square_button_height(type);
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wall = square_button_wall(type);
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rivit = square_button_rivit(type);
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pitch = (w/ 2 - wall - rivit * 0.75);
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stem = square_button_cap_stem(type);
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color(grey(20)) {
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rounded_rectangle([w, w, h - 0.5], r = wall, center = false);
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for(x = [-1, 1], y = [-1, 1])
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translate([x * pitch, y * pitch])
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cylinder(d = rivit, h = h);
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cylinder(d = square_button_d(type), h = square_button_h(type));
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}
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color("silver")
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translate_z(h - 0.5)
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rounded_rectangle([w - 2 * wall, w - 2 * wall, 0.2], r = wall, center = true);
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if(flange_d)
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translate_z(square_button_h(type))
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color(colour) rotate_extrude() {
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square([square_button_d(type) / 2, stem]);
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translate([0, stem]) {
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square([flange_d / 2, square_button_cap_flange_h(type)]);
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rounded_corner(r = square_button_cap_d(type) / 2, h = square_button_cap_h(type) - stem, r2 = 0.5);
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}
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}
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}
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