Wrench
thingiverse
A personalized rendition of http://www.thingiverse.com/thing:47842 was created using the Customizer tool at http://www.thingiverse.com/apps/customizer/run?thing_id=47842. To print, set your Tool Length to 15 and Tool Height to 10. Use a 12mm nut for attachment, and utilize the 'write' font from Letters.dxf file with the message "12mm" inscribed.
Download Model from thingiverse
With this file you will be able to print Wrench with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Wrench.