SUNLU Rainbow & Muti-Color Silk Filament are innovative 3D printing materials designed to create stunning, vibrant prints with a smooth, glossy finish. These filaments feature a seamless transition of colors, producing eye-catching, gradient effects within a single print. Ideal for artistic projects, decorative items, and unique prototypes, rainbow and multi-color silk filaments add a dynamic and visually appealing touch to any 3D printed object, making each piece truly one-of-a-kind.