Before revision: thumbnail|alt=A person holding a tracing wheel against a surface|Some tracing wheels are serrated A tracing wheelas a can bepattern wheel, pounce wheel, and dart wheel, is an |instrument with multiple teeth on a wheel attached to a handle.
After revision: thumbnail|alt=A person holding a tracing wheel against a surface|Some tracing wheels are serrated A tracing wheel, also known as a pattern wheel, pounce wheel, and dart wheel, is an instrument with multiple teeth on a wheel attached to a handle.