picture of a frame in the form of a cogwheel. graphics

abstract acute annulus background battlement black border bumpy cadre castor circle circlet cogwheel crankle cycle design disk element escallop frame gearwheel graphic gyre hoop illustration indented jagged lacerated mopeheaded notched rackwheel ragged raggy rim ring roller scallop serrated shaggy shape sharp sign silhouette symbol teeth trundle uneven wheel wreath zigzag