Filament Guide for a Folger RepRap 2020 Prusa i3

thingiverse

This filament guide, bolted securely to the top of the left Z motor, offers exceptional control over the feed of filament from the spool to the extruder. It features a smooth, curved PTFE sleeve that skillfully guides the filament and reduces the tendency for it to be pushed back towards the spool when the extruder moves to the left. When relying on a simple cable clamp to guide the filament, a substantial amount of filament can be pushed back, causing it to fall off the spool, sometimes resulting in a tangle. The PTFE sleeve measures 6.3mm in outside diameter and 3.0mm in internal diameter, utilizing the same material used for lining some PEEK barrels of older-style 3mm hot ends. Print Settings Printer Brand: RepRap Printer: Folger RepRap 2020 Prusa i3 Rafts: No Supports: No Resolution: 0.2mm layers Infill: 35% Notes: A support structure is provided in the design, which should be snapped off before it can be bolted to the left Z stepper motor. Both front bolts on the left Z motor must be replaced with 30mm long M3 bolts; there should be enough extras supplied by Folger to cover this requirement. It's also recommended to use washers. Once inserted into the curved channel, the PTFE sleeve can be trimmed off.