OpenSCAD - Examples

// chopped_blocks.stl is derived from Basics/LetterBlock.scad
// The exported STL was converted to binary using MeshLab

echo(version=version());

module blk1() {
	cube([ 65, 28, 28 ], center = true);
}

module blk2() {
	difference() {
		translate([ 0, 0, 7.5 ])
			cube([ 60, 28, 14 ], center = true);
		cube([ 8, 32, 32 ], center = true);
	}
}

module chop() {
	translate([ -18, 0, 0 ])
		import(file = "chopped_blocks.stl", convexity = 12);
}

difference() {
	blk1();
	for (alpha = [0, 90, 180, 270]) {
		rotate(alpha, [ 1, 0, 0]) render(convexity = 12)
			difference() {
				blk2();
				chop();
			}
	}
}

// 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/>.