MC Escher Puzzle demo part Free 3D print model

MC Escher was a Genius and I love his work, especially his work with paving.

This model is one of the 40 parts from the complete puzzle that you can find here:

https://www.cgtrader.com/3d-print-models/games-toys/puzzle/mc-escher-puzzle

It has been optimized for printing, feel free to test that part before buying the whole puzzle.

Please also let me know if you have any suggestion for improvement.