For which game version is this mod? (Havent seen it in this tread, and the mod itself dosent contain a readme file)
I tryed it in Alpha 10.5 and it dosent seem to show up. On the other hand the changelog states there were sone sereous chnges in the building system, …
(I found this mod while searching how to add custom tools, because of [ Digging / "Slice height" ])