Top filament spool holder
with low friction chimney
This mod uses the Prusa mk3s genuine spool holder and
adds a filament chimney to reduce filament friction.
1. Components :
Double Prusa spool holder is included in Prusa the mk3s kit. You can also print the Prusa basic spool holder.
If not, make sure that:
- The filament is sliding freely in the PTFE tube
- The PTFE tube is only 1cm in the top part of the chimney.