This face plate is designed to fit into the 3.5" case opening. It will used for a USB hub.

The faceplate comes as 3 separate parts. Print the taps length wise for strength. It will take a tiny bit of sanding to fit the tabs into the face plate. It is a tight fit. Then use a bit of superglue to hold the tabs in place. Let the glue cure completely before putting the faceplate back into the front of the computer.