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module thing()
{
$fa = 30;
difference() {
sphere(r = 25);
cylinder(h = 62.5, r1 = 12.5, r2 = 6.25, center = true);
rotate(90, [ 1, 0, 0 ]) cylinder(h = 62.5,
r1 = 12.5, r2 = 6.25, center = true);
rotate(90, [ 0, 1, 0 ]) cylinder(h = 62.5,
r1 = 12.5, r2 = 6.25, center = true);
}
}
module demo_proj()
{
linear_extrude(center = true, height = 0.5) projection(cut = false) thing();
% thing();
}
module demo_cut()
{
for (i=[-20:5:+20]) {
rotate(-30, [ 1, 1, 0 ]) translate([ 0, 0, -i ])
linear_extrude(center = true, height = 0.5) projection(cut = true)
translate([ 0, 0, i ]) rotate(+30, [ 1, 1, 0 ]) thing();
}
% thing();
}
echo(version=version());
translate([ -30, 0, 0 ]) demo_proj();
translate([ +30, 0, 0 ]) demo_cut();
// Written by Clifford Wolf <clifford@clifford.at> and Marius
// Kintel <marius@kintel.net>
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to the
// public domain worldwide. This software is distributed without any
// warranty.
//
// You should have received a copy of the CC0 Public Domain
// Dedication along with this software.
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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