We also played around quite a bit with air-assist… here’s my version installed on a 2′ x 2′ MPCNC
I kind-of glossed through a most of that thread, a lot of great information there, will go back and read the whole think when I have a chance, but I have a question. I think I saw you post that you felt the 3.5W banggood wasn’t any better than the Leo69 2.8W laser that you already had? Was I correct in that conclusion? Did you ever tweak on it to get a better output? Thanks!