While searching other Calligraphy subjects, I came across some ideas for the storage and organizing of your nibs,
I copied the following storage ideas below from pinterest.ca
Old cassette cases are perfect for holding nibs tucked in to bits of corrugrated paper. Choose the cassette cases that flip back so that they can stand on their own.
You can then store your cassette nib holders in a tin container such as a Herbal Tea tin as shown below
below are links to other nib organizing ideas