To unwrap 3D light models fast, use automated UV unwrapping tools (e.g., Blender’s Smart UV Project, Maya’s Unfold 3D) for a quick basic layout, then refine only high-detail areas like light lenses or decorative accents.
Automated tools handle the bulk of UV generation—skip manual work for simple parts (e.g., plain casings) and focus on areas needing precise texturing (like emission zones or surface details).
For beginners, Blender’s "Smart UV Project" with a 0.02–0.05 margin balances speed and quality: let it run, then tweak only the UVs that matter for your texture, avoiding unnecessary effort.