Making a tool that inserts modded textures is doable. Inserting models would be trickier though. I am not sure if anyone would want to bother with that. Honestly, the textures would be the first thing I'd like to mod, so that tool would be amazing. I could definitely modify the models a bit, too - ...

Hello! Would anyone know how to re-inject these files/ re-encode them as .phyre files to be used within the game??

I'm using this program at the moment to rip textures and models, but would -love- to be able to re-insert them for some mods!