Keyprint KeyModel Laboratory 3D Printing Resin, Beige, 1kg/Bottle. Keyprint KeyModel Laboratory 3D Printing Resin, Beige, 1kg/Bottle. Carvable without chipping and colored for easy visibility. Serializable resin that is stiff and durable. Ideal for fabricating transparent surgical guides, allowing doctors to place implants at a precise angle and depth.