compass steel drawing on a gray background insulated

accuracy adjustable angles architect architecture arithmetical art background buildings business calculate calculations circle compass concept constructor contractor control craft design designer designers development device distance draft draw drawing drawingcompass engineer engineering equipment exercise experience geometry graphic graphite gray hand handle handmade housing industry instrument insulated job lenght mathematician measure metal metier numerical office outline paper pencillead plans precision profession project scale school sheet shining skill steel student style technical technicaldrawings tool useful