one-stroke seal head silhouette sketch minimalist pencil drawing

onestroke drawing minimalist sketch seal head silhouette pencil art simple animal outline quick sketching easy technique sea creature artwork black white expressive line single effortless beginner project stroke abstract shape artistic simplicity creative hand challenge idea minimal style streamlined figure creativity demonstration portrait artist 039 design one-stroke sketched one design unique style perfect wildlife enthusiasts lovers detailed depiction captured line ideal logos tattoos graphic projects generated