Additional Information: Goniometers are used for measuring angles. Most goniometers can only measure angles in 1 plane.
I am interested in building a 3D goniometer that can be used to measure angles between 2 objects in all 3D planes. There are 2 fixtures for 2 boxes (which houses some electronics) and an adjustable hinge for setting at different angles. Prefer a 5 degree resolution, no need anything less than that