walnuts are hand drawn. in color engraving technique. ingredient for nut paste, oil, nocino liqueur. for

walnut set vector sketch green engraving food nut ingredient organic collection vintage isolated design healthy plant natural leaf seed nature drawing retro white drawn fresh shell hand walnuts line graphic ripe harvest dried branch raw black sign botanical oil leaves open twig engraved nutshell realistic tree nocino color technique paste liqueur packaging linear ink produce flower fruit shrub pattern herb cartoon yellow art vegetable