Quote Originally Posted by Brad Shipton View Post
I think Chris's idea seems neater than typical CNC for this application. I found the link, and it seems to have a magnetic tape with an encoder. The CNC startup routine seems tiresome and you never need to be concerned about squaring for a single axis application like this. Here is another readout I noticed in my searching: https://www.elgo.de/en/products/controls/p40/

Is there something wrong with the Razor gage or Tigerstop? I am not sure how much cheaper it will be building your own. A long linear guide with a low spec backlash belt drive is not cost friendly unless you import from China.
Nothinh wrong with them, I just want to learn new things.