Initial set up problems

I got my first projecct done - it turned out just OK. I still need to sand it finish it etc. but I am worried about the accuracy of the machine. I see a lot of projects on here where people use finger / box joints so I think I should be able to get bettery accuracy.

I am cutting with a 4.1 kit, horizontally on concrete with anchors. I have laid the ply on top of 4 foam exercise style mats (it is not bolted down / secured).

I took some measurements of the pieces cut out and they are all within 1 milimeter of the actual dimension. They are just not very consistent. The circles were especially dissapointing as they were all elliptical along the same direction (hopefully this can be fixed).

The circles were eliptical - and about 1.5mm longer in the Y direction (about 1 oclock direction).



My fitness is 0.742, I am not sure if this is average or what - but I am attaching the log.

Maslow-serial (1).log (86.4 KB)

Is there a recommended calibration / scaling type of procedure to try and lock in the accuracy?

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