In the composite settings dialogue box there is a place where you can chose your "skin end lines".
You can pick which pen you want for these ends, or check the 'hide' box..
the skin end applies also to edges cut by doors, windows etc.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"