Gridfinity 4mm magnetic bit holder

prusaprinters

<p>This is a 4mm magnetic bit holder with a gridfinity form, holding 99 bits in a 2x2 gridfinity configuration.</p><p>The base is meant to hold these 3M magnets. &nbsp;</p><p><a href="https://www.amazon.com/dp/B07GQQBZS3">https://www.amazon.com/dp/B07GQQBZS3</a></p><p>Print the base and the insert.</p><p>Then insert 16 20x20x2mm magnets in the bottom of the base. &nbsp;</p><p>Place the insert on top of the magnets in the base apply superglue along the sides to hold it in place.</p><p>The magnets should be strong enough to hold the bits in place (even when turned upside down!), but not strong enough to magnetize the bits. &nbsp;</p>