Take a look at the gile[s] forum to find out. There are all sorts of nasty ways, but many engines: DBpro, Ogre, and some others, have their own file format like Blitz.
Lightmapping question
Blitz3D Forums/Blitz3D Programming/Lightmapping questionThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.