Recessed (Cache) Aerator Keys (Multiple Sizes)

UPDATE (06/04/19): Per SuperSonicFlea's suggestion, I added wings to the bottom of the models to make gripping/turning the tools easier. I haven't actually printed them, so let me know if you run into any issues! The alternate STL and STEP files have 'Wing' added to the end.



After sweating in a new branch of copper piping, I ended up with bunch of sediment that got flushed further down my water lines, plugging a bathroom faucet with a recessed (or cache) aerator installed. I ended up buying a multi-tool on Amazon for ~$9 (thought about printing one up, but seemed like it would take some trial and error to design, especially due to all the mineral buildup and surprisingly I couldn't really find any on Thingiverse).

Figured I can't be the only person needing this, so I decided to make up the various sizes that the multi-tool I bought had (was only able to test the M18.5 (Tiny Junior) size). Here are the 4 sizes with their nicknames:

M24 (Regular)
M21.5 (Junior)
M18.5 (Tiny