Stacking Hat Rack
thingiverse
My wife wanted to buy a hat rack on Amazon for $25: https://www.amazon.com/Dome-Dock-Original-Organizer-Installation/dp/B08MB6CZHS. I saw a very simple 3d print, so I reverse engineered it. Works great! I've had about 10 hats on it before it started to feel wobbly.
Download Model from thingiverse
With this file you will be able to print Stacking Hat Rack with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Stacking Hat Rack.