Use the newer spool spindle. I beefed up the base so the bolt doesn't sag. The old base broke from sagging when using a 3KG spool.
I wanted a low friction, ball bearing roller to mount to the sides of my XL.
How I print it:
Separate to objects.
Prusa XL
.4 nozzle
PLA
block supports on the threads
4 perimeters
10 rectilinear infill
I used these bolts: https://www.amazon.com/dp/B0DK52CVFP?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
and these nuts: https://www.amazon.com/dp/B0FJFPC2N3?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
2 608 bearings
The author marked this model as their own original creation.