About this 3D model

Based ayvlasov's original model, viewable on Sketchfab:https://sketchfab.com/models/7ddc52decc914ed1bfa0f43abfd8e39e# Late entry for: http://www.3dprintfacade.com/contest/ More information on Wieringa Roofs: http://demonstrations.wolfram.com/PenroseTilingsAndWieringaRoofs/