After running some plotting with Jamie’s test pattern generator (https://vector76.github.io/gcode_tpgen/), I am quite happy with the accuracy, but not really with the “wiggling” when drawing diagonals (red cidrcle on the picture), any advice on it? tension bolts? belt tension?
“Wiggling” problem sorted, it was due to my pen “DOC” being too deep, so the pencil tip was springing!
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