The Yousu 3D Printing UV Sensitive Resin in Metallic Copper is a high-quality resin specifically designed for 3D printing. With a filament diameter of 1.75mm and originating from China, this resin offers excellent print quality and durability. Ideal for creating intricate and detailed 3D prints, this resin is a must-have for any 3D printer enthusiast looking to bring their designs to life with a metallic copper finish.