abstract sculpture 3d model

A monumental outdoor memorial sculpture in rough grey concrete. The form is a thick curved shell, like a breaking wave frozen in stone. It rises from the ground, arches overhead and curves back down, creating a wide semicircular arch opening from the front. Shell walls are 40 to 50 cm thick. Exterior surface is heavily weathered rough concrete, medium grey with darker veining. Interior back wall is smoother and darker grey with engraved text. No pedestal, sits directly on flat ground. Viewed from the front: wide horseshoe arch. Viewed from the side: thick crescent slab. Viewed from above: shallow U-shape. All grey stone, no color, full 360-degree geometry, watertight mesh, museum quality. Negativer Prompt: egg, oval, sphere, dome, pedestal, bronze, metal, polished, shiny, figurative, colorful, thin walls, columns,