Paper Cut of Escher’s Relativity

Crackpot Papercraft Paper Cut of Eschers Relativity

Isn’t this maaadness?
This paper cut, designed after M.C. Eschers picture ‘Relativity’, is made from cardboard of about 22 x 28 cm without any adhesive.
And the maker has been so kind as to offer the diagram to everybody!

Photo: Paper cut of Eschers ‘Relativity’ (Relativity)
Diagram for paper cut of Eschers ‘Relativity’ (Relativity (diagram))

Google image search result for ‘Escher relativity’