<<Loads a mesh from an .X, .3DS or .B3D file and returns a mesh handle. >> Have you downloaded the doc update ? It is in the account section
There is another 3d format that is called b3d.
http://bcchang.com/immersive/b3d.html
To see if it is a blitzbasic b3d file, open it in notepad (or hexedit) and see if the first 4 characters are BB3D.
If they are, you could try and use a 3d editor/viewer that imports b3d. Such a program might give a better feedback on loading the file.
There is another 3d format that is called b3d.
http://bcchang.com/immersive/b3d.html
To see if it is a blitzbasic b3d file, open it in notepad (or hexedit) and see if the first 4 characters are BB3D.
If they are, you could try and use a 3d editor/viewer that imports b3d. Such a program might give a better feedback on loading the file.