Bluray, PS3 and PS4 game case stand (extensible)

Needed proper way to store my Bluray discs and wanted to try to design an stand for them. Behold, this. Holds minimum 6 discs, maximum don't know. I guess few hundreds or thousand, depending how well the plastic holds up :)

One goal I had in mind was that it should be extensible. Also preferably no screws and no glue needed. Both goals succeeded, although glue wouldn't hurt when building a larger stand.

The one I've built has now over 100 discs loaded, with room for 20+ more. And to go bey