Cuke, or Cukes, is an informal abbreviation for Cucalorus, a lighting device or material with cutouts that allow light to pass through in patterns, creating artistic or natural-looking shadows on a surface or background.
In commercial and industrial AV lighting, a Cuke performs the same function as a Cucalorus, shaping light into patterned projections that produce texture, contrast, and depth. Made from materials such as metal, wood, or heat-resistant fabric, Cukes feature irregular or designed cutouts that selectively transmit light to cast distinctive shadows. These patterns can replicate natural elements like foliage or windows, or they can create abstract and stylized effects for stage and studio use.
Cukes are used to add realism and visual dimension in lighting design, softening illumination and breaking up flat, uniform light. In environments such as broadcast studios, theaters, and trade show exhibits, they create dynamic atmospheres and highlight architectural or thematic elements. Even with the advent of LED and programmable projection systems, Cukes remain popular for their organic, non-digital aesthetic and tactile light control.
Lighting tools like Cukes align with performance and safety standards from the Illuminating Engineering Society (IES) and the Entertainment Services and Technology Association (ESTA). These organizations provide guidelines for heat management, illumination quality, and material safety in professional lighting applications.
The term “Cuke” originated as industry slang in early stage and film production, where lighting technicians abbreviated “Cucalorus” for convenience. The technique dates back to the early 20th century, when handcrafted templates were used to create patterned shadows for realistic or artistic effects. Although lighting technology has evolved significantly, Cukes remain a preferred tool for achieving natural texture and depth in visual presentations.