Thought this result was already established so maybe it's a new angle or simpler proofs? Obligatory Erik demaine linkage for those interested in more tho: http

Thought this result was already established so maybe it's a new angle or simpler proofs? Obligatory Erik demaine linkage for those interested in more tho: https://ocw.mit.edu/courses/6-849-geometric-folding-algorithms-linkages-origami-polyhedra-fall-2012/ https://ocw.mit.edu/courses/6-849-geometric-folding-algorith... https://erikdemaine.org/ https://erikdemaine.org/