Useful to keep your Aquaphor on a keychain. Designed to be 3d printed and give a reasonable seal to prevent squeeze-out (see cross section). This design is not completely airtight (see o-ring seal version if needed), but fits well and has minimal leakage for daily use and easy printing.

The Aquaphor caps measured out at m16x1.5 for anybody wanting to do a re-mix in fusion, but 5/8-16 also functions as they are very close. V5 is m16x1.5 threads with a flat chamfer intended to seal against the radius of the aquaphor tube.