The squares were so uneven that I couldn't do any of the joins I found on the internet so I sort of adapted the one I was going to do. I did a chain 3, slip into one side, chain 3, skip 3 sts and slip into the other side. When I saw I wasn't going to have enough stitches on a smaller one, I fudged it on the bigger one, not skipping 3. I don't think it shows. Then when I got the squares all together the whole edge was uneven so I did 2 rows of SC which didn't help at all. Then I went searching for a ruffle pattern and found an easy one (remember, I'm not a crocheter and probably this blanket proves it). The ruffle is simple, 2 triple crochets in each stitch around, on the corners, do 3 triple crochets in the stitch before the corner and 4 triple crochets in the center. That made a simple little ruffle that sort of hides the uneveness of the whole thing.
Boy, I'm glad I'm finished with it. I love the colors. I'm tempted to try a pinwheel circular blanket but have to get a sweater, hat and booties made (knitted of course).