I don't have a "2D" printer at the moment, but you can print the sticker for the building blocks. Here, I'll provide the links to the magnet and sticker generator.

Magnet:

https://www.miravia.es/p/1000-magnetic-balls-of-0.118-inch-for-stress-relief-1-colors-silver-1000-units-original-for-men-i1368526089615103-s2086074051561215.html?

Image Generator:

https://www.pixelpapercraft.com/print/minecraft-block