Universal Flashlight Lantern Diffuser Multiple Sizes 20mm 24mm 14.5mm

This is a collection of different sizes of a universal diffuser. This diffuser is a work in progress, and I welcome any feedback or constructive criticism. I am looking to shape this into the ideal "down-firing" lantern attachment for any flashlight, making efficient use of as much light as possible without wasting too much light out of the front/bottom. Print in clear or translucent (or glow in the dark!) material.

Included sizes (size of flashlight bezel) as of now are:

14.2mm - fits