what is a pantographs
Pantograph 3d rendering. A pantograph (Greek roots ÏÎ±Î½Ï- all, every and Î³ÏÎ±Ï- to write, from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a second pen.