1. Can you show us before and after screen shots as a start to helping you with your problem?
2. which version of AC are you on and which platform? Please add this to your signature as others' have.
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"