Sharp GP2Y0A21 IR Sensor Housing

I am working on a "semi-automatic pond refiller" project, and this model is part of the water level sensor component.

This is a "capsule" for a Sharp GP2Y0A21 Infrared Sensor I already have lying around the house from a previous robotics project.

I added a cylindrical shell on the outer rim so I can heatshrink the sensor wires and make it (hopefully) water resistant. The sensor itself is mounted on a PCB, with a plastic lens formed into the outer casing, so I am not worried about water g