BaseFolders

#if UNITY_EDITOR
using System.IO;
using UnityEditor;

static class BaseFolders {

    [MenuItem("Utility/Create default folders")]
    private static void Create() {
        foreach(var folder in defaultFolders)
            if(!Directory.Exists(path + folder))
                Directory.CreateDirectory(path + folder);
        AssetDatabase.Refresh();
    }

    private const string path = "Assets/";

    private static string[] defaultFolders {
        get {
            return new string[]{
            "Anim",
            "Prefabs",
            "Textures",
            "Materials",
            "Scene",
            "Editor",
            "Scripts",
            "Models"};
        }
    }
}
#endif