@xchrisd to quote what you said “don´t look direct in the laser-beam like “scanning your eye”! no laser goggles would protect you from that.”, it could be - being australian (we may interpret words differently)
i am having trouble with the word “in” - to me it is putting your head under the module and looking up into where the beam comes from?
or does it mean - when the laser is operating, if you can see the beam going from the module to the wood.
we have the enclosure - did we mistakenly believe the enclosure would protect? like watching the laser cut the wood without glasses.
i am super careful about safety. and the eyes are precious.
been reading this topic (very informative) now i am very concerned