Hi, Aharon. You can't add new categories in the Menu_Block. To cut the size of your Objects is to either 1). save each and every object as a single *.OBP file in a secure dir somewhere and then exit Bryce and delete the (in your case, Aharon) User.OBP in the preset dir. Bryce will make a new one. or 2). Select all the objects (Shift - Left_Mouse_Click) and save all the objects as a set of objects. Then delete the ones you hardly use. If you do not delete the Library-File, the file size will stay the same. What I do is to make a collective set of objects i.e. Flowers -> Roses, Tulips, Orchids etc.. I then load them all into, for instance, User. Then save them all to a dir -> MyPresetsFlowers. Whenever I am working on a project needing plants, I just load them into the User_Library for the time being. I also have them saved as single objects on CD (just in case I only need certain plants. These can then be imported (as can the sets) the usual way. There may be better ways to organise files. This is just a suggestion. HTH Siegbert