dawnaking

Has anyone been successful downloading lateral file 3D Symbols from other companies? I was unable to locate any in Chief. I find when I locate them, they are not supported by Mac. Any suggestions?

I am placing the users chair at one of end of a desk on a floor plan. I want to place 2 guest chairs on the other side of a desk, however; the chairs are upside down. How can I reverse them? Thank you!