This is what the wheels I printed were for. I'm trying to recreate a GWR 1400 tank in a 6 wide scale. The wheels work well enough but are nowhere close to
Lego technic: building a steam locomotive base with 10 wheels - YouTube
LEGO Train Wheel with Axle Hole and Friction Band (55423 / 57999) | Brick Owl - LEGO Marketplace
Amazon.com: LEGO Parts, Bricks, and Pieces - Black Train Parts Combo Pack (2 X Buffer Beam with Sealed Magnets and 2 X Train Wheel RC, Holder with 2 Black Train Wheels) : Toys & Games
10 NEW LEGO Train Wheel Small, Hole Notched for Wheels Holder Pin Black | eBay
Amazon.com: HMANE 10Pcs Train Parts and Pieces Black Train Wheels for RC Trains, Train Wheel, Train Buffer Beam with Sealed Magnets Compatible with Lego : Toys & Games
Train Wheel RC, Spoked with Technic Axle Hole and Counterweight, 37 mm D. (Flanged Driver) : Part 85489b | BrickLink