polka dots abstract seamless pattern crayon drawn. circular spots allover

polka dot seamless pattern polkadot poka pokadot crayon chalk background marker brush drawing pastel circle scribble pencil playful aop vector spot wallpaper allover whimsical splash backdrop dark shape doodle repeatable hand drawn freehand handwriting round red blue yellow funky organic twist irregular fleck uneven rought circular torn wax creamy soft