mid-tower pc case 3d model

Clean modern low-poly open frame PC case, mid-tower, black matte finish, fully empty spacious interior, detailed motherboard mounting tray with standoff holes, GPU support bracket, bottom PSU shroud, front mesh intake panel, cable management channels on the back, detailed rear I/O panel with USB, audio, and HDMI ports, sharp clean geometry, professional gaming case design, high quality but optimized topology, game-ready for mobile AR, PBR materials, isolated on white background, subtle bevels, realistic proportions, no artifact