Franzis Bat Detector Hard Case

Franzis sell D.I.Y build yourself projects for a reasonable price to get you interested in things you might have wanted to try but without paying the hefty price tags of REAL expensive things. This one is for a simple to solder/build and use Ultrasonic Bat Detector that you build in the box you bought it in. My box was tatty so I decided to design a little box that can be 3D Printed and assembled with Hot-melt glue (to hold the speaker and Ultrasonic sensor in) and 6 little screws that hold the