volcano eruption cloud 3d model

A large stylized eruptive cloud designed to fit around a Mount Vesuvius volcano sculpture. The cloud must look like a soft, fluffy volcanic ash cloud, with rounded smoke billows and layered swirling forms. The model must be hollow inside and optimized for 3D printing. The cloud must have: - A flat bottom surface to easy coupling with other piece - Wall thickness between 2.5 and 3 mm for light diffusion Style: Realistic but stylized, soft cartoon-realism Very smooth organic shapes No sharp edges High quality printable STL One single watertight solid No floating parts No thin fragile parts The cloud must visually look like it is erupting from the volcano crater.