paper bag 3d model

A realistic, empty heavy-duty multiwall kraft paper sack standing upright with an open mouth. The top rim is wide open, hollow inside, and clearly shows the subtle thickness of multiple layered paper plies with clean edges. The main front surface is smooth, clean, and flat, optimized perfectly for a product mockup and logo placement. Heavy-duty industrial structure with subtle, realistic paper crinkles restricted only to the side gussets and bottom. Single solid object, studio lighting, neutral presentation, high-detail 3D asset, completely blank with no text or logos.