Fixo raises the hood of the gasket cutter and talks shop with the laser.
The copper mirror holders are what direct the light to the lens below The square one is moveable via a servo
Gotta love modern technology!
I'll get a price on one incase you need one Trax The masking tape on that lens is temporary target for adjusting the mirrors Set laser for a millisecond and burn a hole in it. The laser is invisible so if you waved your hand in front of it. ... You may not be able to count to ten! The lens lasts a long time. ...but a bit spendy.