A replacement case (faceplate) for rectangular humidity sensors/hygrometers found on aliexpress. I created this as an “almost exact” replacement for the original cover in order to keep my white and purple scheme for my (Un)original Prusa Drybox.

To replace the original; remove the batteries, then use a small flat blade screwdriver to carefully press the clips on the top and bottom by inserting it into the slot in the back of the sensor. Once loose, the parts can be held together while you slip the new case on (if they separate they are easy to put back together). Be sure to get the orientation correct with the “larger” wall on the bottom of the sensor. Press until everything clicks into place and replace the batteries.

Recommended to print “face down” in PLA with .2mm layer height.