A new 3D-printed smart energy device combines radiative cooling and solar energy absorption, offering a potential solution for efficient energy management. This innovative technology harnesses the power of the sun while simultaneously dissipating excess heat, maximizing energy efficiency. The device’s 3D-printed design allows for customization and scalability, making it adaptable to various applications. This breakthrough could significantly impact building design and energy consumption, leading to more sustainable and energy-efficient structures. Further development aims to improve its performance and broaden its use.