iBar from MAC G4

For a long time in our company there were several cases of MAC G4. Gradually, they were distributed to friends and / or dragged home. But one stayed and moved with us from office to office, until I turned it into an iBar .
Surely there are people here who have the same problem with the G4. Make it very easy. The most expensive is the chain (150 rubles), paper and foam board.
A few photos on the facebook album here and here (it turns out that you can only see them if you log in to facebook).
Unfortunately I started taking photos after I took off all the insides of the MAC.