I would suggest CC-BY-SA You can do this by doing as little as making a single file named LICENSE in the top level directory, with a single line: This wor

I would suggest CC-BY-SA You can do this by doing as little as making a single file named LICENSE in the top level directory, with a single line: This work is licensed under CC BY-SA 4.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/4.0 That's it. It is the hardware/artwork spritual equivalent of GPL2. It means the user must not remove your name, must make source/plans available, and commercial activity is ok. Just a suggestion if you don't know where to begin or what to do, hadn't really thought about it or read up on all the infinite options etc.