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. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/
Use it at your own risk. Assume that I have no idea what I am doing.
FreeCAD was used for 3d design with the "Assembly 2" workbench. LibreCAD was used for 2D.