Hofmann Megaplan Sphere 3D Wheel Aligner. The traditional ‘Tower’ or ‘Crucifix’ 3D wheel alignment technology is now over 30 years old, and the Sphere system does away with all of the outdated elements of crucifix-style 3D such as the additional space required in front of the lift and ‘pushing and pulling’ of the vehicle. The ‘Sphere 3D’ is also approved by a number of vehicle manufacturers, including the likes of Mercedes-Benz and BMW