Why is my metallic 3D model seams?

Metallic 3D model seams typically result from UV unwrapping errors, texture misalignment, or insufficient material edge blending. UV issues (like overlapping or stretched UVs) misalign metallic textures, while unfeathered texture edges or inconsistent material settings across model parts create visible lines. Duplicated metallic parts with unmerged UVs often show seams—try checking UV maps for gaps or using texture atlases to align edges smoothly.