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Apollo Spacecraft Extruder Knob

Apollo Spacecraft Extruder Knob

thingiverse

I stumbled upon this knob online - possibly on the NASA website. It's a replica of the switch knobs used in the Apollo Command Module Spacecraft. The original is approximately 2 inches in diameter, designed to be functional while wearing spacesuit gloves.\r\nScaled down to about 1 inch and with a D-shaft cutout, it works perfectly as an extruder knob for my Ender 3 printer. Printed in silver PLA.\r\nIt will likely fit most items with a D-shaft.

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