Holding 0.01mm most of the time, often can be on the measurement I wanted. But my machine is far from perfect, I've had to do a lot of tramming and shimming to achieve such, I built my machine using a drill press and a myford lathe which too isn't perfect. The goal is, if you can't make it perfect, make it adjustable!

This is my first build from no knowledge at all to being able to run it without a single problem which has taken me a few years.

Click image for larger version.  Name: cnc.jpg  Views: 549  Size: 300.1 KB  ID: 28302