Balázs, formerly of Graphisoft,
Please add you OS and Archicad version to your profile; sometimes the answer will depend on this
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"