Make sure you are using at least version 1.74. The .b3d file format was introduced with this version. Previous versions do not support the .b3d format.
Using the .b3d File Format in Blitz 3-D
Blitz3D Forums/Blitz3D Beginners Area/Using the .b3d File Format in Blitz 3-DThe 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.