Ghost Guns License
Ghost Guns License CC0 1.0 Universal (CC0 1.0) 2015 – 2019 Ghost Guns
All design files and models by Ghost Guns are licensed under Creative Commons Zero, which means you can copy, modify, distribute and use the files for free, including for commercial purposes, without asking permission from or providing attribution to Ghost Guns.
Copyright (c) 2012-2017 Sungeun K. Jeon
Grbl v1.0 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 3 of the License, or (at your option) any later version.
Grbl v1.0 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 Grbl v1.0.
If not, see http://www.gnu.org/licenses/.