pencil with eraser, pencils with a lead made from a mixture of graphite and clay contour lines drawn, sketch drawing

art black cartoon charcoal clay concept contour creative creativity design draw drawing drawn erase eraser graphic graphite icon illustration large lead line lines made mixture note npencil outline pastel pen pencil pencils realistic rubber scribble secretarial shadow sharp sharpened sign simple single sketch sketching speech stationery steampunk symbol tip tool university with wood wooden work write yellow