7. Optional: To make your light fixture a hanging lamp, locate the small holes on the top of the CD cases. Most CD cases have these. If not, then drill holes in the top of 3 evenly spaced jewel cases.

But Shanghai's Corporate Pavilion takes the upcycling trend to extremes: The entire exterior of the 4,949 square meter structure is made out of polycarbonate tubes fashioned from used CD cases.