CV approach for finding the rotation of a known object.

Hi all, I'm looking for some guidance for a problem I'm looking to solve for the small business my wife and I run. I've posted on this sub previously and received some very helpful advise that allowed me to build the first part of this solution (rotating the lid).

The problem I'm now trying to solve is determining the direction in which this plastic tub is facing so that I can place the lid onto the tub that faces in …

computervision rotation