I really liked the spool holder I was using (which was a remix of Skrutt84's " Filament Holder Deluxe ") but I did not like the very pointed threads. Nothing wrong with them and they held up fine
Universal Filament Spool Holder by butchja - Thingiverse
Just another filament spool holder - Things You've Made - V1 Engineering Forum
Making my Remix of Ocie's 21-Cup Filament Silos - My Stoopid Stuff
How I Made a Filament Holder That Fits ANY Spool!
3D Filament Spool Holders - Different Kinds of Holders You Can Buy Or Make - 3DSourced
Filament Holder Non-adjustable
LERDGE 3D Printer Filament Spool Holder For ABS PLA /Non-adjustable Compatible Material Shelves Fixed Seat /3D Printing Rack Tray Product
Filament Holder Non-adjustable
3D Printable YAFSH - Yet Another Filament Spool Holder by Derek Tombrello
Universal Stand-alone Filament Spool Holder (Fully 3D-printable) : 11 Steps - Instructables
Blog Archives - My Stoopid Stuff
Universal Filament Spool Holder REMIX for Ender3 and CR10 (no cutting with 5/16-18 hardware) and supports spools with large holes by MyStoopidStuff, Download free STL model
Universal Stand-alone Filament Spool Holder (Fully 3D-printable) : 11 Steps - Instructables