Unable to create surface treatment to a face

Tekla Structures surface treatment
Not version-specific
Tekla Structures
Environment
Not environment-specific
Question:
I try to apply a surface treatment to concrete spandrels, but why it is not created to one face of some spandrels?

Answer:
The reason might be overlapping part cuts. If you change the part cuts not to overlap each other, then the surface treatment into part face will work fine.
役に立ちましたか?