Lens hood for Pentax Q 02 Zoom lens

This is a lens hood for the Pentax 02 Zoom lens

It will help reduce flare and improve contrast when bright lights such as the sun are just outside the field of view.

There are three versions of it but I have only printed the first one. It fits perfectly and works fine but had some things that could be improved.

First its vertical field of view is a bit more than needed making the hood larger than necessary.
Second when fitting in reverse (for storage) it is not possible for the lens t