Insert for filboyt's Ender 3 Filament Guide Snap In.

I am using the arm with a gap, and created this lock, to prevent the filament from getting away.

update (20180716):
I used Tony Buser's Pin Connectors V2 to add a locking mechanism, so it will not move.

Ender 3

Doesn't Matter

Doesn't Matter

0.2

20%