![](http://www.alamy.com/thumbs/6/4E9456F9-3BF2-4DC4-8C64-03A5D6ED38EA/MNP45A.jpg)
. English: Illustration of a human head with its proportions indicated by an equilateral triangle and grid lines. From Luca Pacioli's De Divina Proportione, 1509, page 70 . 1509. Luca Pacioli 952 Pacioli De Divina Proportione Head Equilateral Triangle 1509
Size: 1735px × 2880px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., /, /., 1509., luca, pacioli.