I've gone deep into 3D printing clay. Here's a mug design modeled in Rhino and expressly set up to easily swap out textured patterns. Printed in stoneware on a Lutum 5 from @ Amazon.com: Brew Rite 4 Cup Coffee Basket Disposable Filters 400 Ct: Home & Kitchen Let's Go Racing Nascar Collectables NBABSR 16 oz Large Coffee Mugs, Tall Coffee Mugs with Handle,Big Bulk Ceramic Cups with Black Speckled for Porcelain Cup or Mug Lovers DIY Gifts,White Amazon.com: BTaT Double Walled Glass Coffee Mugs, 16 oz, Set of 4, Glass Coffee Cups with Handle, Insulated Clear Coffee Mug for Hot and Cold Beverages, Cappuccino, Latte, Tea, Americano, Microwave Safe : 18th Street 14 oz. Mug Crate & Barrel