Hi guys I have HyperCube and when I try to print circle my printer print oval shape not circle



Any idea ?

Check belt tightness, make sure drive pulleys are securely screwed to motor shafts, set speed and acceleration to lower values, make sure motor and pulley mounts are solid, use glass core belts instead of steel core belts. Post photos of machine...

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Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]

It was loose pulley on stepper.. They asked same question on marlin Discord