Pen and note/glass scraber magnet holder for the fridge or whiteboards.
its sturdy and prints laying down with support.
magnet used are 2x20mm like these:
https://www.amazon.com/Niuknow-Neodynium-Magnets-Whitboard-Refrigerator/dp/B0BV5XJLSD/ref=sr_1_3?keywords=20mm+magnets&qid=1707226215&sr=8-3