Omnitrix
thingiverse
Kids are wild about the animated show "Ben 10" right now, so I ended up making one for my son by printing out a replica of the Omnitrix. I actually just used some stretchy fabric to create the strap.
Download Model from thingiverse
With this file you will be able to print Omnitrix 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 Omnitrix.