When is a type 5 reference attachment written to a 3D master file?Product: MicroStation J7.1
A type 5 reference attachment is written to a 3D file:
1) When the reference attachment is 3D.
2) There are less than 32 attachments.
3) There is one, or less than one, clip masks for the said reference attachment.
Otherwise, a type 66 reference attachment is written to the master file.