The math that describes the branching pattern of trees in nature also holds for trees depicted in art—and may even underlie ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification.

It appears he was set for an approved-by-Michaels sketch in which the business mogul would be dressed up like a tree while standing next to Shel Silverstein’s titular Giving Tree, who offers up ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

Drawing groups help build community and explore new places, like at a recent Urban Sketchers KC event at Family Tree Nursery. Drawing is an an easy hobby that you can take with you anywhere in the ...