The following graphics are remastered versions of known graphical galdr or Galdrastafir found in Public Domain. The remastered versions seen here are hereby shared with a CC BY SA 4.0 Licence.
The designs found in this post and the attached zip-folder can be copied and redistributed in any medium or format, as well as remixed, transformed, and built upon in any way and for any purpose, even commercially.
Basically this means that you can print these out, use them as stencils, display them and in any other way reuse and share them as you wish.
The only demands are that you give appropriate credit, and provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.