Sample files on this site: sources and licences The sample files are real files prepared from open models so that anyone can try a quote without a file of their own. They are not products on sale and no author listed here endorses this site. cycloidal-drive.gcode.3mf From "3D printed cycloidal drive" by Made by S.A.D. https://www.printables.com/model/1628281-3d-printed-cycloidal-drive Licence: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Change: prepared for printing with a slicer. gearbox-housing.stl The part main-housing from the same model by Made by S.A.D., unchanged except for its name. Licence: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ robot-gripper.gcode.3mf From the Thor robot arm by Angel L.M. (AngelLM): the gripper and two of the gears. https://github.com/AngelLM/Thor Licence: CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/ Change: parts selected and prepared for printing with a slicer. This file is under the same licence. rover-parts.gcode.3mf rover-wheel.stl From Sawppy the Rover by Roger Cheng. https://github.com/Roger-random/Sawppy_Rover Licence: MIT, full text below. Change: parts selected; the .gcode.3mf is prepared for printing with a slicer. multi-purpose-tool.stl "Multi-Purpose Precision Maintenance Tool". Courtesy of NASA. https://github.com/nasa/NASA-3D-Resources NASA does not endorse this site or anything offered on it. The MIT licence of Sawppy the Rover MIT License Copyright (c) 2018 Roger Cheng Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.