Popcorn Mini Fan Mount

Popcorn Fan Mount for small fans
Attaches to popcorn joint - allows you to connect a small fan by using a bolt (or screw) through the corner hole of a fan. There is a hole for the cable. Useful in helping hands.

Not quite what you wanted? Feel free to tweak these designs.
The tinkercad source files are published here: https://tinkercad.com/tags/popcorn