balloon cluster 3d model

Octane render, 8K ultra realistic, 3D art installation sculpture, a dense cluster of uniform-size matte spherical balloons, diameter 35cm each, 6 colors evenly distributed: bright red, cream yellow, sapphire blue, dark green, off-white, coffee brown, matte paint surface, soft subtle reflection, thin brushed stainless steel pull rods converging at the bottom, hidden internal metal support frame, full and plump spherical cluster, no missing spheres, clean transparent background, studio soft diffused lighting, delicate texture, no shadows, minimalist outdoor art exhibit, PBR high detail, sharp edges, no text, no watermark