This is a box for a 3.5 inch hard drive and its cover. It was specifically
designed to fit in a small safety box often rented by banks.
Support is not needed.
This object main web page is:
http://www.ctheroux.com/3-5-inch-hard-drive-box/.
This object was designed using Solid Edge Community Edition.
You can request the source files on the page listed above.
The author hasn't provided the model origin yet.