Don't know if this will help, but the first thing that came to my mind was PhilC's scissors:

http://www.philc.net/Scissors_page1.htm (hope this link is ok to post here)

You use it directly on the obj.

i7 6800 (6 core/12 thread), 24 GB RAM, 1 gtx 1080 ti (8GB Vram) + 1 Titan X (12GB Vram), PP11, Octane/Poser plugin, and a partridge in a pear tree.

Oh, and a wiener dog!