hand drawn sketch style walnuts set. single whole, half and walnut seed. eco healthy food . on white

and art background botany collection composition diet doodle draw drawing drawn eating eco element engrave engraving etching food fresh group half hand harvest health healthy illustration ingredient ink isolated natural nature nut nutshell object oil organic outline plant protein raw retro seed set single sketch snack style vector vegan vegetarian vintage vitamin walnut walnuts white whole woodcut