hi~~ haha i was gonna ask you something about 光箱 wonder if you know it , its study about light effect and materials @@ but i dont know its english name and hoped that i could ask u if you know something about it :) i think theres lots of ways studying it ive seen things like making a box and carving holes on it and see the light effect ~ heres something familiar http://catarinabostrom.blogspot.tw/2013/01/rescript-22-light-studies-25102012.html but still a little different i guess hope u can give me some advices or information :) thank you :)