Travel Trailer Screen Door Handle (2016 Viking 17BH)

I designed this just after getting my Travel Trailer. The inside handle for the door is just a plastic ring that doesn't really give you anything to grab onto. I didn't want to muck with the trailer, and the ring appeared tapered, so this is friction fit. Mine's on there good and solid, no adhesive required. Makes it easy to slide "window" back and forth, activate the lever, and, ultimately, the point of the whole thing, pull the door closed!

I'll be honest, I designed and printed this clo