This is a grip plug for a Glock 22 gen 3. I have no clue if it fits others. This is a combination of many of the grip plugs that exist here that are either wrong gen, too loose or too small of a dimple and definitely wouldn't use a screw to hold in place! This bad boy fits like a glove!

Cura Settings:

Use default orientation .1 2 walls 25% infill Tree supports Brim