Fairgate Vary Form Curve Rule 12-124 by GOLDSTAR The 24" Fairgate # 12-124 Vary Form Curve rule is especially helpfull to the patter makers when drawing more defined curves of neckline and collar design, sleeve caps, pocket contour, armhole, and more. The Fairgate curves are an indespesible tool for the patternmaker , graphic artist , illustrators or anyone who needs to draw or cut smooth curved lines.