Quit!!! STOP!!!! There is no way to compete. That's beautiful. All your doing is causing yourself problems and soon you'll be spending a lot of your precious time trying to teach others how to do that. Bet you didn't think of that did ya.
Jeff does that 6W laser have and different distance of in focus area? My 2W has about 1/4 in. height it is useable in and it is real handy for some 3D stuff.
I have made up my feeble little brain, I am going to make another build and I am sure you will have to come to Montana to help me get it going. Also I had to tell my bookkeeper I would sell the old one and I do every thing my bookkeeper tells me to do.