Raspberry Pi Case w/USB protection

Needed a case to save a poor little Raspberry from the clumsy hands of his 11-year-old owner. Focus was on restricting access to the USB ports to save them from wearing out and to find a place for the el cheapo USB sound interface he uses in order to get a microphone input.

The original poster's design looked nice and sturdy so I decided to remix this.
To get access to the USB ports, just unscrew the left part. USB cables can enter from alongside the Ethernet cable. The aforementioned USB S