An example of the angle rule with Giotto
The painter Florentin GIOTTO was also a sculptor and architect. He knew geometry and angles.
In his work The Stigmata of St. Francis (Louvre), he declines the series of preferential angles of painters directly legibly using the rays painted in gold.
Do you know how to recognize them?
Discover them by walking your mouse on the picture.
GIOTTO di BANDONE - Les stigmates de Saint François (détail)- 1297 - Louvre - Photo, tracés© gm
Note that each of the angles points with its two branches the points of the 1st rule: the stigmata but also the mouth and toe of de St François.
Work protected by copyright © guymauchamp U79J1B9 and a deposit at SGDL Paris.