I don't know the name of the block but the instruction on how to make it are here:
The block pattern is here on the site of the dear nurse who puts these quilts together for dying patients.
http://katandcatquilts.blogspot.com/...ock-drive.html
She does a wonderful thing for the patients & families. I just found out about this about a month ago. She doesn't have the name of the block here but does have instructions on how to make it. It finishes out at a 12 1/2" block.