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Marlin 2.1.2, unveiled on December 18, 2022, brings a host of new features to the world of 3D printing firmware, with a spotlight on the introduction of input shaping.
What is Input Shaping and Its Impact on Printing Speed?
Input shaping, also referred to as resonance compensation, stands as a sophisticated computational process. It aims to counteract the inherent vibrations of a 3D printer, effectively eliminating visual artifacts such as resonance on the printed surface. The significance of input shaping becomes apparent when users strive to increase printing speed, effectively addressing common printing defects like ringing. The synergy of input shaping with calculations such as linear feed offers users the ability to achieve significantly higher printing speeds than previously attainable.
Experimental Nature and Manual Calculation
While the potential of input shaping is promising, it’s essential to note that Marlin’s implementation, designated under the M593 command, is still in the experimental stage. Users are encouraged to actively participate in the development process by reporting any issues they encounter on the Marlin Firmware GitHub. Notably, the current version of input shaping on Marlin requires manual computation. Users must measure a resonance tower, as detailed in Klipper’s comprehensive guide. As of now, Marlin does not support accelerometer integration for automatic vibration handling.
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