We call it material honesty in industrial design (no simulated wood grain on microwaves). What material honesty rules do your UI graphics use?
Web Material Trends
- Stucco
- Rubberized plastic
- Flat-brushed aluminum
Mobile Material Trends
- Metal grates
- Fine linen paper
- Glass
Apple’s Human Interface Guidelines on the Subject
- Add Physicality and Heightened Realism (not sure I agree…)