The models are stored in .DFF files.
Some .DFF files have the following format:
00 00 00 05 04 01 00 01 00 80 XX 6C
{4ByteFloatingPointVertexes}
00 00 00 05 04 01 00 01 01 80 XX 64
{4ByteFloatingPointUVCoords}
BullyDog.jpg