Bottle Cap Knob
prusaprinters
<p>Continuing my theme of easy prints that help recycle everyday things, I present to you the Bottle Cap Knob</p><p>Printing is easy, just flip it over and it should print great without supports. I used PLA, but most any hard filament will work.</p><p>Bottle caps fit snug on top, but can easily be removed and swapped out. You might have to straighten them out before however, because bent bottlecaps can either be too loose or get stuck (you should be able to poke them out through the hole on the bottom).</p>
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