Simple squares....

This was a very simple square to create, alternating rows of sets of three treble crochets with chains and double crochets. I struggled to get a neat finish round the edges hence the round of double crochets to finish it off:

The pattern is loosely based on one found here:
http://8thofthe8thofthe8th.blogspot.ie/2012/08/block-stitch-and-interlocking-block.html