World's Lightest Propeller Guards for Estes ProtoX Proto X Quadcopter

This "Thing" is a set of 4 super-lightweight propeller guards for your Estes ProtoX quadcopter. I believe they are the lightest prop guards in the world...at least right now. I designed them in Autodesk Inventor, and printed them out using MakerWare.

The most popular prop guard on Thingiverse currently based on download count is the "Proto X Rotor Saver" bylazlowcv (http://www.thingiverse.com/thing:244019). It is a GREAT prop guard, but it weighs nearly 2 grams including the guard and the