Cloud and Thunder magnet key holder

This is a cloud and thunder concept. The cloud is "floating" in your wall and your key is hanging from the thunder keychain.

Hole distance to hang it is 50 mm
Thunder keychain hole 2.5 mm
Cloud hole: 3mm high, 50 mm wide.

In the picture you see that inside the keychain is a nut, in order to work well you can use a neodymium magnet, but be careful, it might harm your electronic devices like cellphone.
You can also use strong neodymium magnets inside the cloud.