I recently got a Longer Ray 5 20W Laser cutter. It's fantastic, but it needs an enclosure.

Here I use the Ray 5 to cut it's own enclosure out of plywood.

Longer sent me this laser for free, but all opinions expressed are my own.

You can download the CAD for this build at: https://github.com/roTechnic/Ray5Encl...

If you'd like to buy the 20W Ray 5, it is available here with my discount: https://s.zbanx.com/r/AAP6iz88n2nA
(this is an affiliate link)