Stand/holder for X-acto Gripper hobby knife

I'm always losing the cap for the hobby knife I keep in the pen cup on my desk, so I figured why not make a little stand/holder for it that allows me to grab it one-handed when I need it for something, and then put it back safely without the cap?

This is designed very specifically for this handle:
https://smile.amazon.com/X-ACTO-X3252-Designer-Gripster-Knife/dp/B002KE66PW

I also based the design on the knife having a #11 blade in it.

If you have that exact configuration, you should