http://www.womenfolk.com/quilting_hi...friendship.htm
also, the Ohio Star is one that has a big block. there are other choices here.
the one I saw from Civil War, strips used with signatures. each block was then a strip block. signature bottom corner to top corner, 1/3'd top a color, middle third ( all diagonal) signature with cream background, bottom 1/3 a color of differant than top.
think diagonal bottom point of square to top right point.