This is a resource submission for Item Variation. This is the only place where you can find all the item type variation worksheet files for the game. The content of these files is completely free, and you don't need to pay to access them. The only thing you need to do is to install this application, which is a mod for the game. The files that you download from here can be used to create your own type of mods for the game. 

The reason why I have created this resource is that I have a number of items in the game that don't have any variation data. I don't think it is a good idea to leave them out, and I don't want to create another application that will create the variation data for them.