Pico Pro Plunger by colinsk
This has not been printed yet. This part needs to survive sustained slightly sub boiling temperatures and be food grade. See this link for High temp food grade choices. https://formlabs.com/blog/guide-to-food-safe-3d-printing/#Food%20Safe%203D%20Printing%20With%20Fused%20Deposition%20Modeling%20(FDM) While this can print without supports the O-Ring land prints better with them.