This is a bracket for mounting the spool at the rear of an Ender 3.
I really liked Chuck's design, which this is a remix of, but I just wanted to change a few things. Here's what I changed:
The bracket sits about further out. That, along with flipping the spool holder bracket, gives the spool about 6mm or 1/4" clearance from the side of the bed. No loss in print volume! The bracket is also about 20mm lower now that it clears the bed. I also used the side rails to mount the bracket instead of the top so as to not interfere with anyone who is using a cable chain on their Ender 3.
A was also not really keen on changing the factory extruder orientation so left it as is. Filament seems to have no problem at all making the 90 degree turn into the extruder. I made a few prints just like that with no filament guide. Not satisfied, I also made a 90 deg filament guide which guides the filament and keeps it away from the greasy z axis rod.
Both seem to work very reliably with no failures or snags so far. No support needed anywhere.
| 90_Degree_Filament_guide.STL |
| CHEP_Spoolholder_Redesign.STL |
