How thick is a sheet of clay from a pasta machine? If you have a pasta machine, have you ever wondered about how thick a sheet of clay is by using numbered settings on your machine? Here's your answer... #1 = 1/8" or 3.2mm #2 = 7/64" or 2.8mm #3 = 3/32" or 2.4mm #4 = 5/64" or 2.0mm #5 = 1/16" or 1.6mm #6 = 1/32" or 0.8mm #7 = 1/40" or 0.6mm If you don't have a pasta machine and you want your clay to be an even thickness, try this: Place popsicle sticks or rulers parallel to each other on the work surface. Roll the clay with a rolling pin or acrylic roller between the sticks and the clay will be uniformly level to the height of the sticks. Tip: If you use a pasta machine with lighter colored clays you will know about dark streaks. This is caused by a chemical reaction between the steel rollers and the plasticizers in the clay. You will also know how frustrating it can be when working with clay. Taking your machine apart to clean it can be time consuming, intimidating and even more frustrating. If you have this problem, we have your solution. Baby Oil. Yes, I said Baby Oil. It's cheap, easy to find and it works. Just soak a cotton ball in baby oil, and wipe down the rollers while rotating the handle. Dry with a soft cloth in the same way. It is important to get the rollers completely dry before using.