Originally Posted by quilter53
I'm sorry thought that might have been confusing. I'm not talking about making the pinwheel block. When taking any block and adding triangles to the sides to make it a larger square. How do I measure the triangles on the outside of the block. Confusing again? Sorry. :roll:
Sounds like you want the block on point similar to the quilt above.
Try this site for a good explanation.
http://quiltbug.com/Articles/on-point.htm
See if that helps. If I am wrong again sorry just post again and we will figure it out.
Maybe if you told us the size you have and the size you want that would help.
:-D