anatomical drawing of men's hands – hatching and detailing

wood wall veins texture techniques skin sketch shadows shading sculpture relief realistic pronounced precision poster pattern painting old mythology muscles mens masters inspired illustration hatching hands hand drawing detailing detailed convey contrasting carving cartoon artwork art arm anatomical anatomy hand drawing hatching musculature veins realism art sketch academic study form paper line classical technique pencil craftsmanship light human body artistic shading detailing vintage style leonardo vinci inspiration renaissance era