Curved-Inlet Drybox Filament Funnel
thingiverse
Addon for Homebrew Filament Holder: This clever funnel protects filament from breakage, regardless of spool emptiness or fullness. The funnel ensures that the filament always has sufficient bend radius as it enters and exits through the Teflon tube in a straight line, avoiding sharp angles. Inner dimensions accommodate 1.75mm filament for a 4mm Teflon tube with a 2mm inner diameter. Mounting holes feature simple through-holes for nuts, bolts, and washers, compatible with M3-M5 screw sizes. UPDATE: Version 2 is now available. The support poles are seamlessly integrated into the design, eliminating positioning/retraction moves and stringing risks. Although it may use slightly more material, this version prints faster due to eliminated retraction delay.
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