Marti Michell's One-derful One Patch Apple Core
Apple Core is a traditional one-patch quilt pattern. Nested template set consists of two nested templates for cutting 2-1/2" and 6" apple cores. Each template has 6 holes for marking dot-to-dot sewing. Instruction booklet includes grain line recommendations for easiest sewing, and metric conversion.
All of their templates and tools include 1/4" seam allowances and laser-cut accuracy.