Julian Beever is an English artist famous for his art on the pavement of England, France, Germany, USA, Australia and Belgium. He gives his drawings an anamorphoses. The images are drawn completely "deforms" which give a 3D image when viewing at a specific angle.
How to Paint a Piano Like a Wild Woman--not my own article, but after painting my piano blue with the authentic Annie Sloan Chalk paint, I wish I works have found this recipe sooner. Maybe next time!! :)