Please do not redistribute the material in any form other than its original presentation, with all files intact and unedited. (This means don't include it in your WAD or PK3 for now, please.)
If you remix, transform, or build upon the material, you may not distribute the modified material.
You may not use the material for commercial purposes.
OTEX version 0.9, released December 10, 2018
idgames (coming soon)