Quilting - borders for cat squares

I worked on sewing bright borders for my cat squares on the weekend.  I had cut the fabric previously from my Mom's stash of poly cotton and just sewed them all together cutting off the long lengths into manageable pieces for the borders.  I am just sewing a length to the top of the cat square and cutting it off.  Again, the same on the bottom and then again on each side.  No planning other that choosing the colours before I started which was pretty much rainbow!!!  Therese