Popcorn granny square

I am crocheting a shawl using a granny square which has popcorn stititches in a diagonal pattern.  I found a pattern for the granny square.  However, the design of the shawl is my creation.  The most difficult task was the creation of a triangle using this same pattern.  After about three tries I developed one which worked perfectly for my shawl.  The shawl is edged with the triangles which fill in the empty "squares" on the two diagonal edges of the shawl.  I am in the process of crocheting all the squares and triangles together.  The CC is purple which will be the edging on this fisherman-color shawl.  Hope it looks OK.  I will add it to this blog when it is finished.