How to Make a Hex Nut Slingshot (v2.0)

Here's a slightly lengthy project you can do if you're looking for some atypical destruction. It's a piece inspired by "that crazy German dude" Jörg Sprave, and it launches half-inch hex nuts at up to a hundred feet per second. Please use responsibly.

Files will be included in the links below. (Note: SVG files will be added in a few days. Need to generate them from DXF files first...)

Discuss on the Shapeoko Forums:
http://www.shapeoko.com/forum/viewtopic.php?f=30&t=2902

Discuss on The Slingshot Forums:
http://www.theslingshotforum.com/f5/pump-action-hex-nut-slingshot-w-cnced-parts-33707/