Cup holder

A cup holder right on the whiteboard
Author: Claus Gittner, Frauenfeld, Switzerland
Recently, I had to work on the whiteboard a lot. Since I like to drink coffee while planning and I didn't have a place to put my coffee mug nearby, I needed a cup holder of some sorts.
I was able to build an elegant whiteboard extension with 4 pot magnets (many different types are linked below) and a handful of lego pieces. I attached the pot magnets with butterfly screws on the front.

Articles used

Countersunk pot magnet, Ø 13 mm, strength approx. 3 kg
Countersunk pot magnet
Ø 13 mm, strength approx. 3 kg
5 pcs. 1.39 CHF ea.
Pot magnet with cylindrical borehole, Ø 16 mm
Pot magnet with cylindrical borehole
Ø 16 mm
5 pcs. 1.46 CHF ea.
Countersunk pot magnet, Ø 16 mm, strength approx. 4 kg
Countersunk pot magnet
Ø 16 mm, strength approx. 4 kg
5 pcs. 1.45 CHF ea.
Pot magnet with threaded stem, Ø 13 mm, Thread M3, strength approx. 3.5 kg
Pot magnet with threaded stem
Ø 13 mm, Thread M3, strength approx. 3.5 kg
5 pcs. 1.76 CHF ea.
Pot magnet with threaded stem, Ø 16 mm, Thread M4, strength approx. 8 kg
Pot magnet with threaded stem
Ø 16 mm, Thread M4, strength approx. 8 kg
5 pcs. 1.80 CHF ea.
Pot magnet with internal thread M3, Ø 13 mm
Pot magnet with internal thread M3
Ø 13 mm
5 pcs. 1.63 CHF ea.
Pot magnet with internal thread M4, Ø 16 mm
Pot magnet with internal thread M4
Ø 16 mm
5 pcs. 1.80 CHF ea.
rubberised pot magnet, with internal thread M4, Ø 20 mm
rubberised pot magnet
with internal thread M4, Ø 20 mm
5 pcs. 1.90 CHF ea.
Pot magnet with screw socket, Ø 13 mm, Thread M3
Pot magnet with screw socket
Ø 13 mm, Thread M3
5 pcs. 1.47 CHF ea.
Pot magnet with screw socket, Ø 16 mm, thread M4
Pot magnet with screw socket
Ø 16 mm, thread M4
5 pcs. 1.65 CHF ea.

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