The filament roll holder uses a central 8mm diameter metal or plastic tube on which the two ball bearings are fixed.
Print vertically and use the supports for the main support.
I bought the ball bearings here. http://bit.ly/2TSHYj2
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
To post a Make, come back to this Thing and click Post a Make.
Or, you can use the Thingiverse Mobile app found on
and the Apple App Store.