Rifled & Vented Funnel
thingiverse
Hello again Thingiverse! I'm back with a new funnel design. External vent slots to prevent air backpressure, and a rifled tube to promote spiraling and quicker flow. I recommend printing with a small raft or brim depending on your personal luck with bed adhesion. The STL should populate in your slicer upside-down and centered for easy printing. Enjoy!
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