Very nice file. Printed out nicely.
The connections between the Bottom, spiral and top can be made bigger to make sure they dont break upon assemble. I had 2 of them break which maby could be avoided used a little less extrusion.
Bigger diameter on the pin and holes and its a 100% perfect product!Printed with 3DJake Matt gray and blue filament.
I printed this myself, the entry holes needs to be enlarged and some area of the channels have stuck marbles and has to be filed. Could be my own setup.
Not printed yet.