thanx a lot anyway did you ever experienced the "back lines of items showing through first plane ones" ? here i don't see it because it may not have occured on a simple box, but imagine, for example that the back edge nf the cubes would show crossing the front ones. it often occurs to me with some meshes. i may had a thread on the forum abotu that. i repost the pictuere here. rom was made with simple things..