The cylinders would rotate in opposite directions in order to cancel out any gyroscopic effects that would otherwise make it difficult to keep them aimed toward the Sun. Each would be 5 miles (8.0 km) in diameter and 20 miles (32 km) long, connected at each end by a rod via a bearing...
Hips bone is an exception because it can translate and rotate freely, relative to the origin of recording space. It also need to encode avatar scale (the height of Hips bone in T-pose) for retargeting. Its position is scaled down by a factor of 2, encoded into two parts which approximat...