You will need two 608 bearings (8x22x7) to make it work.
The normal version works with standard 1kg and 2,5kg spools.
Prusa 2kg spools will need the longer version.
recommended print settings:
PLA
layer height 0,2mm
infill: 25%
Print the body as shown in the pictures, that ensures a good fit for the bearings. Otherwise you can use the ‘bearing fix’.
The author marked this model as their own original creation.