EuroGraphics The Vitruvian Man by Leonardo da Vinci 1000-Piece Puzzle. The Schema delle Proporzioni (Vitruvian Man, Canon of Proportions or Proportions of Man) is a world-renowned drawing dated around 1487. The drawing depicts the correlations of ideal human proportions with geometry written by the ancient Roman architect Vitruvius. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.