This is an interesting question. I would start at 12 o’clock move -X with the fabric moving at a constant speed Then go back to center then go +x and +Y at a faster rate then the fabric is traveling then back to center to finish up the circle.
Laser controllers cut at a constant head speed along a path. Since this is fabric it should cut at a range of speeds. I’d try a slower speed -X then faster speed +X. But your head speed will very.
Constant speed on the fabric shouldn’t be a problem and any controller would drive this cut. I think getting the cut to line up to cut a true circle on something as flexible as fabric will be the issue. All depends on how round the circle needs to be.
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