Flying my qx-9.
The QX-9 is an open source project from Quadromax. You can get the plans and make one yourself. You can look here for more info about the needed parts en the plans of the frame:
http://www.modelbouwforum.nl/forums/multicopters/185984-qx-9-full-carbon-acro-fpv-quad-bouwbeschrijving-30.html
and also at:
http://forums.openpilot.org/topic/20755-qx-9-full-carbon-fpv-frame/