Forget spy balloons, here is the next surveillance technology: Spy Cat!
This 3D-printed adapter is designed to securely fit a small action camera onto your cat's collar, so you can capture all their exciting adventures from their point of view.
I used this cheap camera for this project
This adapter is designed to use minimal plastic and is printed flat to ensure it is as lightweight as possible.
Once printed, fold it and apply some adhesive on the overlapping side walls.
The author marked this model as their own original creation.