From this idea a more permanent solution could be made, though the materials are not as accessible to come by. Ideally this would be made from durable corrugated plastic board. Then the top and bottoms of the pieces would be painted with liquid rubber grip. So this can really be considered a functional model. It's a simple model but, still just about the quickest, most portable and disposable laptop riser.
5-1-08 Try the riser out in combination with the Macbook Pro Cooler
. Everything on this desk except the fan and the speakers were transported here in a milk crate, This temporary work station runs very cool, not much excess wind disturbance either.