As the title implies, I'm trying to upscale certain wheels (Okudai KRW) from 17x8/17x9 to 18x8/18x9. The problem is, that I'm trying to maintain the bolt pattern and make the wheel proportionally correct. Is there any simple way to do so in Blender? There are multiple variants of the Okudai PRO2, for example, from 16 inches to 20 inches, and they all maintain the same bolt pattern, and the center of the wheel seems to be the same in general too.
Sounds like a job for proportional editing. I'd select the outer part of the wheel mesh, scale up from the centre, and let the proportional editing interpolate the scaling between the outer area and centre. Fiddle with falloff modes and proportional size as needed.
Ended up figuring that out after messing around with it for a few hours. I suppose it's the only way to do it properly. Either way, thank you for the reply!