Here's a new tray I made the other day.I really don't know what to name it so I just call it Large Tray. Also cause it's bigger than my other trays ;)
This one has 9 slots so you can put more (bigger) stuff and you don't need OMSP at all to use it.
You can recolor it with any pattern or any color you like just like you see in pictures. And you can find it in Miscellaneous Appliances category.
Both format (Sims3Pack and Package) are in download file. Please install only one!