I don't use a machine to flatten my polymer, a rolling pin works just fine. I first take what I call a slab, which is just a layer of the clay, roll it into a ball and kind of kneed it to make it soft, then I flatten it out some with my hand on parchment paper and start using the rolling pin like you would a pie crust. I think the package tells you how to start and create and then tells how to bake. It's super easy to work with.
