3D Vacuum Sublimation Machine, Printing on mugs: Especially custom and heat-printed mugs. Phone cases: Printing on phone covers completely (sides and back) using suction and vacuum technology. Plates and shields: Printing on ceramic plates, Polished gemstones, or medals. Irregular products: Suitable for curved or uneven objects thanks to the silicone membrane and vacuum that ensures the design adheres completely during heating.