CoreXY can maintain smooth walls at 130mm/s with 90deg changes in direction.

3D Printing
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1

CoreXY can maintain smooth walls at 130mm/s with 90deg changes in direction.
Default Cura settings.
Acceleration=3,000, jerk=20

a3402afdfbc9b3acd831662159c92770.jpeg
a3402afdfbc9b3acd831662159c92770.jpeg2631×3411 1.12 MB

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What kind of setup are you using for your coreXY system?