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This 6" x 10" piecing ruler has colored lines and markings which makes it wonderfully simple to make a combination of curved blocks which are used repeatedly in WCR Patterns. These unique lines and markings make using the Wonder Curve Ruler easy as, 1-2-3!
Cool WCR feature ~ The three bold colored lines also make it easy to scale a block larger or smaller just by aligning fabric with the different colors and marks.
Free pattern included with the Wonder Curve Ruler: