These are some of my favorite wheels for Slow Stick FPV – they are large diameter and light and roll great in the grass as you can see in the video below.

Print the tire using TPU with 0 (zero) infill and double wall.

I used Sainsmart TPU:  https://amzn.to/3wYI6nB

Slow Stick:  https://alofthobbies.com/collections/slow-park/products/slow-stick-kit-with-power-and-control-system-parts