Tool for use with a tracing device

Abstract

A tool for use with known tracing devices such as that sold originally by The Ohio Art Company under the trademark Etch-a-Sketch® is described. The tool of the present invention includes (i) first and second overlays, each for cooperation respectively with first and second rotatable knobs and each including circumferentially arranged visual guide indicia on a top surface thereof; (ii) first and second visual guide indicia position indicators, each including visual guide positioning indicia on a top surface and wherein said guide positioning indicia cooperate with circumferentially arranged visual guide indicia to indicate rotational positions of first and second rotatable knobs; and (iii) at least one visually readable guide indicia position instruction set including a sequenced set of steps for rotation of said first and second rotatable knobs based on the cooperation of guide positioning indicia and circumferentially arranged visual guide indicia.

Dependencies are inferred from the claim text.