Ultimate Designer Stress Test: Minimal Abstract Visual

A concise, high-level prompt designed as a quality benchmark for generative models, focusing on the most challenging aspects of design: extreme minimalism, perfect balance of negative space, realistic material shading, a

Extremely minimal abstract visual.
Single sculptural form,
single soft light source,
single color family,
perfect negative space balance,
realistic material shading,
no decorative elements,
gallery-level composition.