This ceiling hook is designed to attach to the roof, specifically for hanging handles or rods up to 40mm in diameter. Ideal for use in the garage, it can hold various tools, providing a secure and accessible hanging solution to keep your space organized and clutter-free.

I printed in PETG, works well.

I have also redesigned with some reinforcement and a larger lip. It can be found here:
https://www.printables.com/model/762171-reinforced-garage-ceiling-hook
(see last photo for comparison)