Unable to draw correctly : circles are not circles!

uArm Serial No.: (the No. at the bottom of each uArm reading “UARM-XXXXXXXXXX”)

Firmware Version: 3.1.9

Operation System: Win10

uArm Controlling Method: uClient

I just tested my uArm swift pro and I have some problem with the drawing feature wich seems to have a scale problem between the X and the Y axis. As a result, the circles are not round but oval. I am using the universal holder. Printing between A and C.

With the laser, it is ok. Circles are circles.

Do I do something wrong?

(I also have a little bit of the Z axis problem).

Thx

Jean


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I have the same problem with firmware 4.2.0. Any draw on the center is ok but anything that is offset to the side becomes an oval. Not sure if this is a software problem or the motors become inaccurate at drawing those angles.