black and white rooster sketch: detailed character in flat shading style

black white rooster sketch flat shading style detailed character ruan jia uhd foreshortening techniques colorful cartoon naturalistic proportions simple chicken silhouette sharpie marker outline stroke full height side view quick doodle drawing sketching animal art artistic pen ink cartoonish tutorial design anatomy artwork inspiration creativity expression sketch: dark gray stands background caricature-like showcases strong line work lively movement portrayal valentin rekunenko captures essence expressive features generated