Both. You'll probably use vert paint, being cheap and effective way to blend materials, and probably masks, even if it's just a basic noise and gradient material function to break up vertex paint blending or height lerp from a height imput for example. Also don't forget decals on top of what ever solution you use.
Thanks for sharing! I think it might help to study welding a bit more, good welds vs. bad welds. Unless you're intentionally trying to emulate a certain look? What's your welding reference? It looks a bit to blobby to me, so I did a quick web search of "good weld bad weld" and found some examples that might help:
Example, exported from zbrush to max from max to blender back to max from max to substance painter? What is the size limit of an fbx file for substance painter This is a multi-conditional question/concern, which is why its not under sub threads. Have they updated the importing of the .fbx format in blender cause there is…
Do you have an example? Objects (especially ones that can be broken down into primitive shapes) have perspective/vanishing points too. Else you have to eyeball. I think when translating 2D designs into 3D, one should focus on capturing the "essence", so the 3D model stands on its own and doesn't fall apart from certain…