That's a great suggestion. As good it was when I made it 10 weeks ago when I made it, and just as good when someone beat me to it by a few more weeks than that.
It's my pick limbo. Where all the tools that are too specialized to be carried in my everyday case, but to large to carry in a tiny case end up. It's probably the third most used case. It's also available in black.

I hear gaffers tape works better because it doesn't leave the sticky junk all over your tools, but I cap the ends in electrical tape to help stop it and also do
THIS
Little plastic tubes help to keep them from scratching each other, and in the back of some is a calling card between the layers of tape to add stiffness to the case.
They work good enough and are easy enough to make. Have at it!