Thank you dorin for your critics | suggestions.

In tree view are show the name of last piece at the end of the icons row which sometime could be confusing (not for me).

I try do something with it, may be split long row of icons by it's count, by 10-12 items may be?

Anyway I've already observe few duplicates in mine collections which I've have to clean.

Do not understand this [:(]

When I set something in Your plugin I observe a delay for few seconds.

Yes, that's appear more often than we would like. I try fix or reduce delay for this.

in Your settings menu put the same name as is in SH3D settings "Category folders"&"Searchable list"

Did you mean move this options to submenu of "Tools" Menu? Or simple rename labels near check-boxes?

To Golia:
Thank you for interest to my job, i hope you will like it.

but I do not understand how it filters the elements.

Filtering (Grouping) processing by follow rules:
1. Items compared one with other only in same category.
1.1. If names of two items containing more than one word, than comparing follow:
1.1.1 first word of one item with first word of second item.
1.1.2 first word of one item with last word of second item.
1.1.3 last word of one item with first word of second item.
1.1.4 last word of one item with last word of second item.
1.2. If name containing only one word - simple compare name of one with other item in same category
For example:
Items with follow names will be groupped:
Simple chair, Chair, Chair with arms:
But next will not:
Red chair with arms, Very cool chair.