I saw this on Thingiverse this morning and thought it was too great not to share :) If any of your guys are planning to one day go to Mars, be sure you print this out first, or bring your 3D printer to space :)
http://thingiverse-production.s3.ama...w_featured.jpghttp://thingiverse-production.s3.ama...w_featured.jpghttp://thingiverse-production.s3.ama...w_featured.jpg