I have been looking for a tiny case for my Tello for some time. Finally found one on Thingverse and had it 3D printed. It fits the drone with battery and two extra batteries. I had wanted a tiny case that I could put in my LowePro DroneGuard case with my other 2 drones and this one is perfect. Now I can carry all three of my drones hiking and biking.
Here's the 3D case.

Here's the new case on top of the old one.

Here it is in the DroneGuard Backpack with my other 2 drones.

Chris
Here's the 3D case.

Here's the new case on top of the old one.

Here it is in the DroneGuard Backpack with my other 2 drones.

Chris