I decided that in order to have a nice and round form, I'd have to get creative. I ended up choosing these cutters.
Amazing Mold Putty and mixed them together until they were uniform. Then I rolled out the piece, and set the two larger cutters into the mold putty.
There's a discount code for you when you decide to go and try this stuff out for yourself!
Use the code AMP20at check out, and get 20% off of your order!! Offer expires - Sept 30, 2012.