About this 3D model

Easy to print and airtight 1.75mm filament feeder for dry boxes. No O-ring is needed. Both parts have small circular notches to firmly pinch the container wall and provide an airtight fit. Three versions are provided- Tight clearance (0.1mm), for very accurate printers.- Medium clearance (0.2mm), for most printers.- Lose clearance (0.3mm), for less accurate printers.