sphere3d.avs
Correct decision of the three-stage gyro task by means of euler angles in classical 3D rotation matrix and quaternions impossible in principle.

http://avsmmp.deviantart.com/art/gyr...-avs-259621065
http://avsmmp.deviantart.com/art/sphere3d-avs-259753899

REAL 3D ROTATION ALGORITHM (3D CIRCLE calculation)
http://avs.chat*****sphere3d.htm#en