Octo(pie and mash)up
thingiverse
It's not an octagon, but it is a Pie Instructions Season well...
Download Model from thingiverse
With this file you will be able to print Octo(pie and mash)up 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 Octo(pie and mash)up.