Github
https://gist.github.com/patmandenver/...

Printables
PrInCEsS Periodic Fridge Magnet
https://www.printables.com/model/2089...

ChemSpeller
https://www.chemspeller.com/index.html?

Affiliate Link
Neodymium Magnet
https://www.amazon.com/gp/product/B01...