unguligrade 3d models

The talus bone, also known as the astragalus and tibia, is a short bone that forms part of the tarsal region in humans and other plantigrades, and at the lower end of the legs in unguligrades. The foot skeleton consists of twenty-six bones arranged...

... the ball of your feet and also people with high heels - so in general feet are designed that way, but for long walks or standing still it is more efficient to roll over the heel. But most animals are also just tiptoeing all the time (unguligrade).