About this 3D model

This is a voltmeter / Battery tester! I've a Youtube Video about this 2 in 1 Voltmeter: https://www.youtube.com/watch?v=C3xlQ2OtDQQ necessary materials:- 2 parts made with 3D Printer- Panel meter: https://www.gotron.be/paneel-voltmeter-4-5v-30vdc.html- 9V battery connection- Crocodile clips- Copper wire