Finally there is ... arakno. 5 Year Guarantee
Arakno is a wall and ceiling projector mount developed to operate any projection and it is very simple to get a perfect shot due to the patented micrometric adjustment system.
Arakno allows a 360° rotation and inclination on the two axis is more than 25°.
It is externally solid and certified to support loads up to 45kg (angle +/- 10°)