Large lock-pick handle (designed for Sparrows picks)

I have large hands and I find large handles easier to manage(XL glove size). I started out with designing a handle for wiper blade inserts, but now that I have purchased some sparrow picks, I modified my design to fit them. This handle is designed to be printed in two halves, then glued together with epoxy. It has gone through several revisions. I started by forming a comfortable handle with moldable plastic to my hands. I drew up the first version and it became my favorite pick. For this versio