CNC Journey -- Final Steps?

I did this test and found the X-axis was off by about 0.22% ( leadscrew pitch: 5.0913 vs 5.08) and the Y-axis was off by about 0.025% (leadscrew pitch: 5.0813 vs 5.08) . At least, I think that is correct.

I used the Calibration tool in LinuxCNC to tweak things.
 
Nice job! Remember, the longer precision object you can find the better. A 12" micrometer standard would probably be the best thing I could think of for this purpose.
 
Yeah, I used two 123 blocks for a total of 6 inches. I got the correct results using 1 block and 2 blocks giving me some confidence I was doing it right.
 
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