Needed a watering can. Couldn't find a design with diffusor that screws on bottles so I made one on my own quickly. Prints well and fast without support. After testing it I would make the holes smaller, works well though. Screws on standard PET and glass bottles.
rentner51 made a remix with smaller holes. I suggest to go for that one:
Quick design in rhino 3d. gave myself half an hour, ended up modelling one hour