9 hours to figure out the 3 dimensional rotation of the chair?? Wow, I don't think that solution is the path to go down. Why not allow the user to put down some

9 hours to figure out the 3 dimensional rotation of the chair?? Wow, I don't think that solution is the path to go down. Why not allow the user to put down some sort of control points to narrow down the search space? You know, it's okay to ask the user for help sometimes. *Edit: The reason it took 9 hours is because they rendered the model in every single possible camera position and orientation until they found one that matched.