backpack 3d model

Reconstruct the pet travel backpack from the input image with industrial-design accuracy. Maintain correct proportions, clear separation of materials, and clean topology. Key requirements: Tall soft-shell rectangular body with a rounded top Large transparent PC front window with black frame Three circular ventilation holes beneath the window Gray fabric main body + mint-green fabric pocket module Fabric side pocket and metal hardware Rolled soft top-handle Smooth and uniform surface curvature Do NOT generate pets or add new features The mesh will be used for refinement and CMF development, so avoid messy geometry and preserve manufacturable structure.