Bifold closet pivot 4 (removed top hole; widened remaining one to fit over pivot lip)

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/f6Yckn6SyQp

Wider hollow than my previous attempts (needs to go over the flange of the the closet pivot), which, unfortunately, means a narrower "wall" thickness, but, the "hat" does not take any weight, and takes only light stress from openning and closing, so, I'm hoping that it won't matter too much. This is my third attempt at the "hat" design, having failed with the first (didn't realize there was a flang