creo4 config.pro option documentation for: RENAME_DRAWINGS_WITH_OBJECT 
rename_drawings_with_object
Creates a copy of the associated drawing when you use File
> Save a Copy
to copy a model or an assembly. The new drawing adopts the new part filename or assembly filename.
Default and Available Settings:
none*
part
assembly
both
h: 18pt">
very_high
- Improves the display quality by increasing tessellation by a factor of 3.
low
- Decreases tessellation compared to the normal, speeding up the display of an object.