Sovol SH02 Dual Bearing Filament Guide
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Adjusted the original model where filament would jam against the retainer if the extruder raises above the dryer
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I really liked the concept of the original model, but the filament ended up jamming against the retainer as the extruder raised upward on my Ender-3. To resolve this, I added another bearing so it rolls against the upper one for taller prints. I've also shifted the filament hole about 2mm away from the bearing to reduce rubbing when exiting the dryer.
The Ring and Spacer models are unchanged from the original. Unfortunately, I made all of the adjustments to the original model in OrcaSlicer. Although the model prints just fine with the negative part modifiers in the 3mf file, I'm unable to export to STL due to a formatting mistake I made at some point along the way. If you don't see an opening for the filament in the base or an opening for the screw for the top bearing, it did not load properly in your slicer. If this happens, please let me know as this will give me more incentive to fix it!
Print Settings
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
0.2mm
Filament:
Creality PETG White
Notes:
5 Walls, 5 top & bottom layers, Random Seam position, Mouse Ear brim
Post-Printing
Other Parts (double if making two)
- One M4 x 20mm bolt and nut
- Two 608 bearings
Installing
I recommend threading the screw through all of the parts first to make installing easier. Start with the top bearing, but mount the guide to the dryer lid before installing the lower bearing. Although you can't keep the rubber washer on, it is still possible to re-insert the cap into the filament hole to keep it sealed. Keep them somewhere safe when not in use (potential for a future update/remix).