Test superposition Superposition of drawings on glasses 2016	Test superposition Superposition of drawings on glasses 2016	Superposition Glasses Glasses with different sizes and shapes, on 4 meters, give a superposition of drawings 2017
Superposition Glasses Glasses with different sizes and shapes, on 4 meters, give a superposition of drawings 2017	Bloc de Glass Superposition of glasses with metal sticks, drawing 2017	Bloc de Glass Superposition of glasses with metal sticks, drawing 2017