>>67736
>Your project is interesting. Good work, nothing to say.

Have a read of these two source code files:
https://sourceforge.net/p/chaosesqueanthology/darkplaces/ci/attempt0/tree/model_brush.c
https://sourceforge.net/p/chaosesqueanthology/darkplaces/ci/attempt0/tree/model_shared.c

You'll see how 3d map files are read, of various types. One to read well is the OBJ type: as it's straightforward.