I am looking at building my own 4th axis with a brake. It's purpose is accurate brass (spur) gear cutting. I have a very accurate worm/gear combination to drive it, but I also want it to work with on my 1100 (series 3) with PathPilot. I am thinking that if I simply buy the Leadshine drive and a Leadshine stepper from Tormach, maybe adjust something in the PathPilot (LinuxCNC) ini file to account for the different worm/gear ratio, that this should work fine. I will drive the brake using the I/O kit. I don't need all of the torque of the Leadshine stepper (I will use the 6" version), but this seems to be the easiest way to interface it with PathPilot. Any thoughts?