I used three of these magnets and one of these arms to make a magnetic camera arm. This will come in handy when I'm making youtube videos.

Wanhao

Wanhao Duplicator i3 V2

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No

35%

Insert three #10-24 nuts into the outside three hex sockets.
Insert one 1/4-20 nut into the center hex socket.

Using Three #10-24 machine screws secure the three magnets.Screw the camera arm into the 1/4-20 nut with the camera mount between.