https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13954561
Right écorché leg and foot (life-size), showing the bones, muscles and tendons. Red chalk and pencil drawing, with bodycolour, by C. Landseer, 1815.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use