Negative space, often referred to as the "empty" or "unfilled" areas in a sculpture, plays a pivotal role in metal sculpture design. Artists experiment with negative space to create striking contrasts, evoke emotions, and challenge viewers' perceptions. By strategically removing or leaving gaps in metal structures, sculptors can emphasize form, movement, and balance.

One common technique involves using cut-outs or perforations in metal sheets to allow light and shadow to interact dynamically. This not only adds depth but also transforms the sculpture depending on the viewer's perspective. Another approach is to construct fragmented or openwork designs, where the negative space becomes as significant as the solid elements, telling a story through absence.

Contemporary artists like Richard Serra and Anish Kapoor have mastered the use of negative space, creating monumental works that play with scale and environment. Their sculptures demonstrate how emptiness can define presence, turning voids into powerful artistic statements.

Ultimately, experimenting with negative space in metal sculpture design allows artists to push boundaries, inviting audiences to engage more deeply with the artwork and its underlying themes.