RC18 spiked dually / fatty

LOVE THIS WHEEL. It (the original) looks a little small (narrow / thin) but it's surprisingly grippy in grass & dirt. I monkeyed with the STL and made this 2x wide version, which looks pretty good but is definitely wide.

Shown in PETG on the car, beside another RC18 (right) with one-off tires, and an HPI Mini Recon (top/left) with stock tires. The front one (the STL from which this is derived) is pretty thin, but the diameter is just right. PETG gets worn down on cement, but not as readily a