Rethonance: ADXL Nozzle Resonance Unicorn Chasing Kit

Measure resonance where it actually matters.

Most input shaping setups measure vibration from the print bed or toolhead housing. Rethonance takes a different approach by placing a high-speed accelerometer directly inside a V6-compatible nozzle, allowing resonance data to be captured at the point where filament meets the print.

Whether you’re tuning a high-performance CoreXY machine, validating mechanical changes, or simply chasing the highest possible print quality, Rethonance delivers cleaner, more representative vibration measurements with minimal setup.

Why Measure at the Nozzle?

Traditional accelerometer mounts measure the motion of the carriage—not necessarily the nozzle itself. Every component between the carriage and the nozzle can introduce flex, compliance, and resonance that remain invisible to conventional sensors.

By integrating the sensor directly into the nozzle, Rethonance captures the true motion of the print tip, helping produce more accurate resonance profiles for input shaping and motion tuning.

Features

• Integrated high-speed accelerometer inside a V6-compatible nozzle
• Captures vibration directly at the nozzle tip
• Designed for resonance characterization and input shaping
• Compatible with modern Klipper workflows
• Lightweight design minimizes impact on printer dynamics
• Precision-machined construction
• Ideal for CoreXY, Cartesian, and other high-performance FDM printers

Perfect For

• Input shaping calibration
• Motion system tuning
• High-speed printing optimization
• Research and development
• Printer builders and modders
• Engineering validation

Compatibility

• Standard V6 hotend ecosystem
• Klipper-compatible resonance measurement workflows
• Works with the Rethonance Hub (sold separately) for simplified connectivity and USB integration

What’s Included

• 1× Rethonance Nozzle
• 1x Rethonance Hub
• 3x N35 D6x3 Magnets
• 1x FFC Ribbon Cable, Type 2,  400mm
• 1x USB C to USB A Cable

Replacement Parts Available

• Nozzle only

Open Source

Rethonance is part of the open-source Motor Dynamics Lab project. Hardware documentation, firmware resources, and ongoing development are publicly available, allowing the community to inspect, improve, and contribute to the platform. (LDO Documentation)

Measure the motion that matters—not just the motion that’s easiest to reach.