The guideline I have used for years is “take off the decoration and tell me what happens” if your tanks are held on some way and the 3D print is your team number along the tank, then its fine. If the tanks now flop around, it is not fine.
The guideline I have used for years is “take off the decoration and tell me what happens” if your tanks are held on some way and the 3D print is your team number along the tank, then its fine. If the tanks now flop around, it is not fine.