Here is at last ,the cubeduper hack to make copies of your items in Diablo II Battle.net

First run diablo , press Alt+Tab ,Run Cubeduper , return to diablo then select one item to dupe

Put into cube (You need clean first your inventary) then transmute and you get 4 copies.

Rings and others diferent item sizes only get 4 copies

And more

Get here beta and enjoy rename in cubeduper.exe .With another programs running you can get malfunction.