Mendel90 1kg filament roll holder

After trying different designs that didn't work for me, I sat down and made my own in Autodesk 123D design.
This is for the acrylic version of Mendel90, and the gap is 6,2 mm.
My printer uses 6mm acrylic sheets and fits perfectly.
The white plastic tube is 32 mm PVC, buy it in the hardware store near you.
If it's too much friction between the roll and the tube, lubricate with a candlelight on top of the PVC tube. Works like a charm, and it saves you a couple of ball bearings.
If you wa