Parametric Kitchen Knife Sheath (Remix)

Remix of Parametric Kitchen Knife Sheath by vorpal (Steve Pendergrast)

Check out https://www.thingiverse.com/thing:2893654 for an improved version of this thing.

Should work for any knife that is pointy at the end. (For non-pointy knives, guesstimate the length the blade would have if it had a point.)

There is an optional "window" cut out near the end of the knife. This window allows you to tell if the knife is serrated and has the shape you are looking for without unsheathing it. But b