do you develop the material editor is more type of the real material, for example
- marble
- glass - high grade glass
- low grade glass
- frosted glass
........ etc
- matel - st/s
- hairline st/s
- frosted st/s
- aluminium
- copper
- gold
- brass
-...... etc
- fabric
.......etc
make a standard of good effect, user will chage a little bit colour to use it
It is my suggestion, which is reference from Maxwell render
thank you!