95 lines
2.7 KiB
OpenSCAD
95 lines
2.7 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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$layer_height = 0.25;
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include <../utils/core/core.scad>
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use <../utils/horiholes.scad>
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show_disc = true;
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use_horihole = true;
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thickness = 6;
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length = 60;
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height = 20;
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overlap_x = 15;
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overlap_y = 10;
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module hole_positions() {
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x0 = (length - 40) / 2;
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for($i = [0 : 4], $z = 5 + $i * layer_height / 5, $r = 3)
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translate([x0 + $i * 10, $z])
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children();
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for($i = [0 : 4], $z = 15 + $i * layer_height / 5, $r = 0.5 + $i / 2)
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translate([x0 + $i * 10, $z])
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children();
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}
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module horiholes_stl(t = thickness) {
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rotate([90, 0, 0])
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difference() {
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linear_extrude(t, center = true) {
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difference() {
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square([length, height]);
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hole_positions()
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if(use_horihole)
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horihole($r, $z);
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else
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teardrop_plus(h = 0, r = $r);
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}
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}
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}
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if(t == thickness)
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translate([length / 2, 0])
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rounded_rectangle([length + 2 * overlap_x, thickness + 2 * overlap_y, 2], 5);
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}
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module horiholes() {
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stl_colour(pp1_colour)
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rotate([-90, 0, 0])
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horiholes_stl(eps);
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if(show_disc)
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hole_positions()
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color(silver)
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cylinder(r = $r, h = eps, center = true, $fn = 360);
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hole_positions()
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color("blue")
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horicylinder(r = $r, z = $z, h = 2 * eps, center = true, $fn = 360);
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hole_positions()
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color("red")
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linear_extrude(3 * eps, center = true)
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intersection() {
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difference() {
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square(8, center = true);
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horihole($r, $z);
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}
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circle($r, $fn = 360);
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}
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}
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if($preview)
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rotate(is_undef($bom) ? 0 : [70, 0, 315])
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horiholes();
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else
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horiholes_stl();
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