external top spool holder for ams and ams 2

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2 version external spool holder for ams and ams 2!

I used this for TPU or any not ams compatible filaments!

 

What you will need:

Version 1:

2 pcs M3 threat inserts for plastic

1 pcs M3x12 screw

2 pcs 608 bearing

original metal spool holder

Version 2:

only 2 pcs 608 bearing