DOUBLE TIER DRAWING DEVICE; HARMONOGRAPH

Two planes or tiers are independently suspended by twine from open hooks or screw eyes at ceiling level. The top panel is primarily an open frame, like a picture frame that has a drawing arm attached to it. This drawing arm with a pen at one end creates a variety of different designs on paper that is placed on the lower panel.Either both panels or either of them can be swung to start the drawing.

Видео DOUBLE TIER DRAWING DEVICE; HARMONOGRAPH канала Jim Ballard