In my office PC desktop, because of high office load, I have lots of icons on my desktop. Is there any portable software (for example : Stardock Fences : but it's not portable) which divides desktop / desktop wallpaper into small rectangles that I can put my icons refer to category? It is possible to do it manually by drawing rectangles on my wallpaper but I want it to be automated by a software.
Here is an example ;

