Mathematics and art while the De Stijl movement led by Theo van Doesburg and Piet Mondrian explicitly embraced geometrical forms. Mathematics has inspired textile arts such as quilting, knitting, cross-stitch, crochet, embroidery, weaving, Turkish and other carpet-making, as well as kilim. In Islamic art, symmetries are evident in forms as varied as Persian girih and Moroccan zellige tilework, Mughal jali pierced stone screens, and widespread muqarnas vaulting. Mathematics has directly influenced art with conceptual tools such as linear perspective, the analysis of symmetry, and mathematical objects such as polyhedra and the Möbius strip. Magnus Wenninger creates colourful stellated polyhedra, originally as models for
Patrick van der Vorst for an undisclosed sum. After Auctionata's 2017 insolvency, ValueMyStuff was sold as a going concern. Van der Vorst bought back the ValueMyStuff assets in January 2017. Van der Vorst founded St George Valuations in 2011. It conducts in-person valuation assignments, appraising and cataloguing the contents of country estates, museum collections, and individual items from silver spoons to contemporary art. Van der Vorst is a contributor to the Huffington Post. Patrick van der Vorst Patrick van der Vorst (born 2 May 1971) is an entrepreneur, dealer and art expert and former winner on BBC's Dragons Den. Van der Vorst is the