There is a block in the BlockBase which is Barbara Brackman's block collection called Hands all Around which has the outside star corners without the center break.
https://www.pinterest.com/pin/297096906649288755/ The Center is just a square in a square. Sorry that I don't know the name. According to my calculations, the block is a 10 or 15 inch block. The pdf is my version I drew in EQ7.
