[KanoakaVirus]

When your hot laptop needs ventilation and your wrists need a break from a flat keyboard, you can drop 50 bucks on a fancy commercial laptop stand—or you can build one of your own. Do-it-yourself laptop users have built several creations from common household materials to keep their notebooks elevated while they work . Made of everything from wine corks to door stops to paper (and paper towel) holders, check out our favorite top 10 do-it-yourself laptop stands for your lap and workspace pleasure.

http://lifehacker.com/369689/top-10-diy-laptop-stands

I personally have found this DIY guide pretty useful, I'm in the process of building #8 'Ring Binder with HD Storage'