Transformers Extruder Knob
thingiverse
Both Autobot and Decepticon Extruder Knobs are designed specifically for use on the Ender 3. These knobs should also fit other printers that feature an extruder shaft measuring 5mm in diameter. While I have not personally tested the Decepticon knob, its design closely resembles that of the Autobot model. Autobot Logo: https://grabcad.com/library/autobot-logo-1 Note: Initially, I uploaded a CAD model for the Decepticon Extruder Knob but it has since been replaced with the correct STL file.
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