Replacement Knob for Classic Herman Miller Aeron Posturefit
thingiverse
This object replaces the stock knob on the Classic/Pre-2016 Herman Miller Aeron Posturefit system. The stock knob broke on mine, and as far as I am aware you cannot purchase just the knob from anyone. This is more of a wheel than a knob. It's much larger (and uglier) than the stock knob. It fits the metal interface the stock knob uses and does not interfere with the rest of the chair. The wheel is 120mm in diameter.
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