77 lines
3.2 KiB
OpenSCAD
77 lines
3.2 KiB
OpenSCAD
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//
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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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//! Threaded pillars. Each end can be male or female.
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//
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include <../core.scad>
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function pillar_name(type) = type[1]; //! Name of part
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function pillar_thread(type) = type[2]; //! Thread diameter
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function pillar_height(type) = type[3]; //! Body height
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function pillar_od(type) = type[4]; //! Outer diameter of body
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function pillar_id(type) = type[5]; //! Inner diameter of metal part
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function pillar_ofn(type) = type[6]; //! Outer number of sides, 6 for hex, 0 for smooth cylinder
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function pillar_ifn(type) = type[7]; //! Inner number of sides, 6 for hex, 0 for smooth cylinder
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function pillar_o_colour(type) = type[8]; //! Colour of the outer part
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function pillar_i_colour(type) = type[9]; //! Colour of the inner part
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function pillar_top_thread(type) = type[10]; //! Top thread length, + for male, - for female
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function pillar_bot_thread(type) = type[11]; //! Bottom thread length, + for male, - for female
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module pillar(type) { //! Draw specified pillar
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function sex(thread) = thread > 0 ? "M" : "F";
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function fn(n) = n ? n : $fn;
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sex = str(sex(pillar_bot_thread(type)),"/", sex(pillar_top_thread(type)));
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height = pillar_height(type);
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thread_d = pillar_thread(type);
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vitamin(str("pillar(", type[0], "): Pillar ", pillar_name(type), " ", sex, " M", thread_d, "x", height));
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color(pillar_i_colour(type)) {
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if(pillar_bot_thread(type) > 0)
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translate_z(-pillar_bot_thread(type))
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cylinder(h = pillar_bot_thread(type) + eps, d = pillar_thread(type));
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if(pillar_top_thread(type) > 0)
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translate_z(height - eps)
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cylinder(h = pillar_top_thread(type) + eps, d = pillar_thread(type));
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linear_extrude(height = height)
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difference() {
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circle(d = pillar_id(type), $fn = fn(pillar_ifn(type)));
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circle(d = pillar_thread(type));
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}
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top = height + min(pillar_top_thread(type), 0);
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bot = -min(pillar_bot_thread(type), 0);
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translate_z(bot)
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cylinder(h = top - bot, d = pillar_thread(type) + eps);
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}
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if(pillar_od(type) > pillar_id(type))
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color(pillar_o_colour(type)) linear_extrude(height = height)
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difference() {
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circle(d = pillar_od(type), $fn = fn(pillar_ofn(type)));
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circle(d = pillar_id(type), $fn = fn(pillar_ifn(type)));
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}
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}
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