Date Indicator for Mason Jar Lids

PROBLEM
Food in mason jars are left for storage with the contents' expiration dates being forgotten.

SOLUTION
Design a re-usable lid with date indicator so that jar contents' expiration will no longer be forgotten

DIRECTIONS

Print files as oriented using no supports except for dial.stl. Assemble as illustrated below:

Note: Consider using mason jar silicone seals if you're concerned about proper sealing and contamination while using this date indicator lid.

A rotary dial version that sits between the lid and ring is also available.