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Magnetic Box Making Corner Clamps

Craft custom boxes using these magnet corner clamps to hold inner and outer walls square and true. Magnets removable.
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updated December 14, 2025

Description

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Craft your own custom boxes with square walls and effortless assembly. Don't worry about polarity, use a screw driver to remove and reorient the magnets in the clamp. Mix and match polarities to suit your needs.

Print in 45 degree angle for optimal strength, avoid internal supports.

PRO TIPP:  choose magnets with length of 25mm for self aligning of the magnets and optimal clamping force. Max magnet length is 30mm.  

NOT INCLUDED:

Neodym Magnet: 25x20x1 (length x with x height in mm)

Happy box making!

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The author marked this model as their own original creation.

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