purple sci-fi backpack 3d model

Create a 3D model of a wine bottle holder based on the uploaded image. Focus only on the stone-like base that holds the wine bottle — do not include the bottle or the glasses. The stand should have a natural rough stone texture on the outside and a smooth angled cavity that securely fits a standard wine bottle. Preserve the overall geometry and angle from the image, so the bottle rests diagonally. Make the model ready for 3D printing (STL) with realistic dimensions and solid structure.