Rebuilt the whole piece in TurboCAD. Rounded edges, added a compression rib and tapered in the mouth.

Also included is an openSCAD script to personalize with a name or initials.

Added another packer with a leaf on it. Scaled a keyring from https://www.thingiverse.com/thing:2266525 and combined.

BTW, the ellipse cylinder is needed for the openSCAD script.