This is a ready to print eps file for my CNC steampunk goggles. You can find more details, 3d and 2d cad files, photos, and a full list of materials at http://www.thingiverse.com/thing:3448
To complete the design you will need the parts list I put up on Thingiverse. This requires 3d prints which can be purchased here http://www.shapeways.com/shops/gianteye
I cut my design out of the Ponoko natural russett leather. I then cleaned off the laser cut edges with rubbing alcohol, dyed the leather, conditioned it with neatsfoot oil, and began to stitch. The leather is fairly hard so you'll want to flex it a good bit with your hands to soften it up before sewing.