Stepper Shaft Knob with Unique Design

admin | 10.12.2025

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Model Description: This is a knob designed for stepper motors, intended for use with direct drive extruders. It is compatible with any stepper motor featuring an accessible D-shaped shaft.

Usage: The knob is meant to facilitate precise control of the extruder, enhancing usability and accuracy in 3D printing.

Design Features: The model boasts a unique design and can be remixed using the provided OpenSCAD source code.

Printing Recommendations: The knob can be printed upright with a brim. It is suggested to use PLA with 20-30% infill to ensure optimal strength and fit. After printing, it fits perfectly on NEMA 17 stepper motor shafts.