55 lines
1.8 KiB
OpenSCAD
55 lines
1.8 KiB
OpenSCAD
echo(version=version());
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// rotate_extrude() rotates a 2D shape around the Z axis.
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// Note that the 2D shape must be either completely on the
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// positive or negative side of the X axis.
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color("red")
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rotate_extrude()
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translate([10, 0])
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square(5);
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// rotate_extrude() uses the global $fn/$fa/$fs settings, but
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// it's possible to give a different value as parameter.
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color("cyan")
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translate([40, 0, 0])
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rotate_extrude($fn = 80)
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text(" J");
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// Using a shape that touches the X axis is allowed and produces
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// 3D objects that don't have a hole in the center.
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color("green")
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translate([0, 30, 0])
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rotate_extrude($fn = 80)
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polygon( points=[[0,0],[8,4],[4,8],[4,12],[12,16],[0,20]] );
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// By default rotate_extrude forms a full 360 degree circle,
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// but a partial rotation can be performed by using the angle parameter.
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// Positive angles create an arc starting from the X axis, going counter-clockwise.
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// Negative angles generate an arc in the clockwise direction.
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color("magenta")
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translate([40,40]){
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rotate_extrude(angle=180)
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translate([12.5,0])
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square(5);
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translate([7.5,0])
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rotate_extrude(angle=180)
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translate([5,0])
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square(5);
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translate([-7.5,0])
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rotate_extrude(angle=-180)
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translate([5,0])
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square(5);
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}
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// Written in 2015 by Torsten Paul <Torsten.Paul@gmx.de>
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//
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// To the extent possible under law, the author(s) have dedicated all
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// copyright and related and neighboring rights to this software to the
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// public domain worldwide. This software is distributed without any
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// warranty.
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//
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// You should have received a copy of the CC0 Public Domain
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// Dedication along with this software.
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// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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