3D LED signs are a type of signage that use three-dimensional design elements and LED lighting to create a visually striking display. These signs can be used for various purposes, such as advertising or wayfinding. The 3D aspect of these signs is achieved through various materials and techniques, while LED lighting is energy-efficient and long-lasting. They are programmable and can be customized to fit any brand or message. Overall, 3D LED signs are an effective marketing tool suitable for both indoor and outdoor use.