The Many Nested Curves template set can make a Many Nested Curves block AND make quarter circle squares in six sizes ranging from 2" up to a 7" radius.
The instructional booklet is both a pattern (for the Many Nested Curves quilt) as well as technique instructions for adding a quarter circle seam into any corner or your project. The instructional booklet can be purchased https://warmfolk.com/products/many-nested-curves-pattern
