Just above the beginner discussion forum is a forum labeled:
> 3D, IMAC and Pattern
http://www.rcuniverse.com/forumdispl...?s=&forumid=31

3D has been described as flying post stall. Thrust is vectored over the control surfaces which are generally large and have extreme movement.

The forum has many posts including some that have downloadable video clips.

IMAC is scale precision aerobatics and the freestyle routines include many 3D manuvers
www.mini-iac.com

Pattern is precision aerobatics performed with a purpose built plane of no more than 2 x 2 meters in length and span and not weighing more than 11 lbs.
http://www.nsrca.org/

EXCAP232