8 mm tunnel
thingiverse
A customized model of http://www.thingiverse.com/thing:44815 was created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=44815. To print this design, set the edges to 1, cursor to 100, $fn to 50, diameter at 8, type as 1, add a groove with weight 11 and a margin of 0.1.
Download Model from thingiverse
With this file you will be able to print 8 mm tunnel 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 8 mm tunnel.