half circles seamless pattern. hand drawn scallop, doodle thin lines, simple arches. black paint hand drawn background

simple pattern horseshoe seamless geometric thin black doodle drawn background vector hand half paint scallop paper scandi arch round shape graphic minimal wallpaper abstract texture cute design illustration white repeat isolated memphis grunge outline brush circle semicircle element shell mermaid fish pencil ethnic scribble random line shoe freehand pen symbol