Magnetic key holder (pegboard)
thingiverse
the magnets are these: https://es.aliexpress.com/item/50Pcs-5x3-Neodymium-Magnet-Permanent-N35-NdFeB-Super-Strong-Powerful-Small-Round-Magnetic-Magnets-Disc-5mm/32866041091.html?spm=a219c.10010108.1000016.1.14fb2f35T7dWR6&isOrigTitle=true
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