GoveeLife Smart Thermo-Hygrometer 2s Lite top cover interior mount for the Husky/ Maximum 5 and 12 Gallon Waterproof cases, which are very popular for use as dry boxes. I saw a similar mount which attached a hydrometer to the lid, but I wanted to use a wireless solution. The notch on the side is to keep the hydrometer sensor exposed. The Govee unit simply slides in, and is held to the lid of the dry box by the lip. Printed in PLA with no problems.

We bought a Nex Playground video game system for my daughter, and she loves it. But it requires to mounted just below the TV, so it has a clear view of the surrounding area for the motion tracking. This is a problem for our upstairs TV, which is above the fireplace insert. Naturally, this mounting location is /r/TVTooHigh, so we have an MM540 Mantel Mount which allows the TV to be pulled down. This design allows the Nex Playground to be attached to that, and move along with it.