Will laser etching non-anodised aluminium do any harm to machine?
I experimented with putting a sheet of paper on the aluminium, then etching just enough so I could use it as a stencil. However, I went too far and got an image on the aluminium. It's exactly what I wanted, but now I'm not sure if I should do any more for fear of damaging the machine. I honestly can't see any danger, because as far as I know, anodised aluminium just has a coating over regular aluminium
Other ideas are painting the aluminium and etching that off. I've heard of the type of paint that's close to anodising the metal, but I was thinking a more conventional paint.
Should I be worried about damaging the machine by laser etching raw aluminium? I've been using a 75 Watt Epilog Fusion.