Bigger fins Rocket Holder

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/5qo0gqFpc29
Not my work just was a bit unstable at the park we go to so they had me make fins a bit bigger
I think it was done by QwykSylver, if I ma wrong let me know Ill change it. great work how ever.