How to make a 3D hologram projector in 3 steps

Weekends are a precious commodity, and I like to make mine count by learning new skills, making new items, or putting sweat equity into my house. But this weekend I'm going to be bringing a piece of movie magic to life by building my own 3D hologram projector for my iPhone. I know what you are thinking. I don't have an engineering degree or the expertise needed to create something so complicated. Wrong. All you need is a CD case, an x-acto knife, graph paper, tape, and a pen. In three steps you too will have a 3D hologram projector of your very own.

Check out these homemade projectors in action!

To learn how to make your own 3D hologram projector, read "New Viral Craze: Create Holograms with Your Smartphone" from WIRED.