X-Carve material clamp

This is made for 18mm wood (about only material that is readily available in Norway.) If you use material of another thickness either download the 123Design source file and modify the height of the back support accordingly or send me a message and I'll do it for you. The back support is slightly tilted to allow a firm grip on the material so it is essential that is made for the correct height material.

I've used the adjuster from http://www.thingiverse.com/thing:843070 to make it easy to tigh