@edb, thanks for the feedback... the demo 3d code was just the result of me exploring how to do 3d projections, which I then glued together with the 6050 - certainly if you want to render 3d solids there are better places to start :) If you figure out why the object wont turn upside down I'll be in...

Hello I found this code most helpful, I managed to wire up a 6050 board to the rpi. But I have noticed on the 3d demo that the 3d object can never rotate till it is upside down, its always stuck in one "hemisphere"? Also if you use the default opengles demo 3d cube example (in /opt/vc/src) you would...