ATX basic open pc case / test bench

-The minimum required for the ATX tray are models Core and IO to hold the motherboard and pci cards (6 motherboard screws, or with the extensions, 9 motherboard screws).-8 total models snap-fitted and then secured with a total of 25 size M3x12mm( or similar) nuts and bolts (phillips head recommended).-Optional stand for using the tray in upright position.The motherboard and pci cards can be directly screwed onto the tray stands/holes with generic motherboard screws.The best print-result for me w