Hello i was looking at some of the diy 3d back grounds on here. I would like to build one may self but i cant get hold of styrofoam. I can get hold of polystyrene but thats much more crumbly i was just looking for some ways of making 3d back grounds with out styrofoam i would realy apriceate some help if i get some help i will post some pics of me making it as im starting my led rope lighting soon 











any one come on guys its been a while yous are normaly quite helpfull 