I saved a blog on my computer where a lady made one and she had great pictures and instructions but of course I can't find it.
take a look here, she did strips but you could adapt it to blocks.
http://www.familyeverafterblog.com/2...ing-quilt.html
ok, found this one and they did blocks.
http://www.modabakeshop.com/2012/11/...kle-quilt.html