NopSCADlib/tests/rails.scad

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//
// NopSCADlib Copyright Chris Palmer 2018
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
include <../core.scad>
include <../vitamins/rails.scad>
use <../utils/layout.scad>
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use <../vitamins/nut.scad>
sheet = 3;
pos = 1; //[-1 : 0.1 : 1]
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module rails()
layout([for(l = rails) carriage_width(rail_carriage(l))], 20)
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rotate(-90) {
rail = rails[$i];
length = 200;
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screw = rail_screw(rail);
nut = screw_nut(screw);
washer = screw_washer(screw);
rail_assembly(rail, length, pos * rail_travel(rail, length) / 2, $i<2 ? grey(20) : "green", $i<2 ? grey(20) : "red");
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rail_screws(rail, length, sheet + nut_thickness(nut, true) + washer_thickness(washer));
rail_hole_positions(rail, length, 0)
translate_z(-sheet)
vflip()
nut_and_washer(nut, true);
}
if($preview)
rails();