It's the case of a bad triangulation either done by you for not caring enough about the triangulation of the mesh or by max at triangle creation (or can happen with symmetry modifier):
I may not have the time to modify the rear rims but thanks for reminding spahr :) It's still not drivable but I think it's near the final exterior look :)
Please explain to me how the fur is created in these screenshots. It can be seen that the fur was created technically (with modifiers, perhaps), but the specific approach is not clear to me. Could you explain everything step by step?
this can be done with the projection modifier. you apply it to your mesh with the source UVs, apply the the cage to fully encase the target object. create a projection mapping and project