DEMto3D is licensed under the GNU General Public License version 2.0
or, at your option, any later version.

This program 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 2 of the License, or (at your
option) any later version.

This program 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.

The full GPL-2.0 license text is available at:
https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
