Originally Posted by User886077
http://www.quiltingboard.com/t-57130-1.htm
This link from board site shows how to do "Magic Pinwheels". It looks like the same thing. This might help. Thanks to greencat for doing all the work. I don't know if anyone has the larger block measurements.
Carol
"I got the pattern from the Australian Patchwork & Quilting 1998 Yearbook. More than happy to send it to you."
this is where the pattern originated from...always wondered. shows how to mark your 3 1/2" template