Only found this: https://www.reddit.com/r/math/comments/6hui9p/is_the_sofa_moving_problem_any_different_in_3d/ https://www.reddit.com/r/math/comments/6hui9p/is_

Only found this: https://www.reddit.com/r/math/comments/6hui9p/is_the_sofa_moving_problem_any_different_in_3d/ https://www.reddit.com/r/math/comments/6hui9p/is_the_sofa_mo... I suppose you could have a sofa that your corkscrew around the corner?