RC wheel chock for 3.5" tire

I designed this to stop getting flat spots on my RC airplane tires when parked.
designed for 3.5" tires, fits Sullivan SkyLite and AJ aircraft 93" Laser 230.
It also fits just snug enough to grip and stay on the tire if you pick up the model, but could scale it up to make it fit looser.

Choice of stl files: one ramp end saves printing time.