Laser Dot Holder for Laser Cutter

This holds a laser pointer red dot diode onto the shaft of a CO2 laser cutter. It is designed to show where the laser cutter will cut.
It is an add on for a laser cutter already obtained.
It requires some more parts: 3pcs M3 screw and nut, 1pcs 5V red visible laser diode.
It was re-mixed using FreeCAD. The FreeCAD model is also included here.