I'm using it a couple times a week these days. I've done a little basic maintenance.
The cord from the exhaust fan came loose and that was fixed, I also remounted the
exhaust point upward and it seems to work better.
One point of work I've been unable to figure out is that it seems the focus is off,
certain areas on the bed don't seem to get cut as well as others, it's pretty consistent.
I followed the instructions on a youtube video on determining if the mirrors are off,
wrapping thermal paper around one mirror, fire test shot, back off, repeat. The idea
is the dot should move if the mirror is off but it looked alright. That's as far as I got.
Other than that, I think we just need one of those squares for setting the height.