I am installing a DRO on a Rong Fu clone. The X axis was pretty straight forward so I wont post any pictures of it. The Y axis proved to be a bit more challenging. Below is my installation: I spaced it away from the machine, not for clearance, but to get enough meat to screw the scale to securely. There just wasn't enough there in the 1/8" angle. I used the angle on the side of the machine, because the machine base has a curve in the back and I wasn't going to try to fit spacers. I learned a lot about my mill by having to machine so many parts to make this work. I do have to mill another 1/4 inch off the top of the spacer attached to the scale reader so I can get the chip guard on. The kit came off eBay and for the money it is great. My only complaint is they don't give you any room for error on locating the scale. I am going to have to mill some adjustment in one of the lower brackets as I am running out of scale in the rear. I need another 3/16" so it doesn't hit the back end of the scale. If they would have made the scale 1/2" longer I would not have this issue. (or I guess I could have fitted it a little better, although I thought 3/16' was pretty good for my first try at this) They don't leave you any room for placement error. Next step is the Z axis. This will also be a bit of a challenge as I want to mount the scale to the side of the mill head and attach the reader to move with the quill. Haven't figured out exactly how I'm going to do it yet, but that is part of the fun.