For light electronics 3D models in Blender, the best approaches rely on precise polygonal modeling tools, realistic material shaders, and targeted lighting setups.
These let you capture the slim, functional look of devices like smartphones, wireless earbuds, or smartwatches—polygonal tools (e.g., Loop Cut, Knife) create clean, sharp edges; Principled BSDF shaders replicate matte/plated plastic/metal; and soft directional lighting highlights thin profiles without hiding fine details (like buttons or logos).
If you’re starting out, model a simple USB-C charger with Extrude and Bevel tools—great practice for refining small, precise parts needed for light electronics.