Useful for increasing and decreasing pattern sizes.  Durable, easy-to-use ruler.  Transparent for accurate positioning and marking.  Vary form curves for pattern making

Useful for increasing and decreasing pattern sizes.  1.2mm thick flexible plastic.  Durable & clear ruler easy see through.  Vary form curves for pattern making. 

Useful for increasing and decreasing pattern sizes.  60cm curve line size.  Multi-purpose ruler with protractor.