This is a customizable hexagonal nut wrench that can be used as a tool or as a dedicated knob. By adjusting the "NUT TOLERANCE" variable, you can appropriately relax the tolerance of the hexagonal aperture to flexibly address the differences between printers and consumables, while taking into account personal preferences. Generally, when used as a knob, you should strive for a close fit

The materials, filling density, and shell thickness are all crucial. Therefore, when designing, it is essential to consider the actual stress conditions and make the most prudent judgments.

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