Parametric magnetic fridge pen holder

Holds a pen on your fridge's door.

Edit: Now it's parametric! I've learned a few more things about the customizer and adapted the script. Now you can edit it in the customizer without hassle.

I used two re-cycled neodymium magnets from a lamp packaging box. Who the hell wastes so much precious neodymium by putting it into mass-produced cardboard packaging?!