I sure do remember the older UTC ( universal texture convertor ) v 1.1.0 containing most Mill 1-3 figures and then later the Texture converter 2 with the Mill 4 figures, all by 3D Universe. I am still using them once in a while they give basic converting options from one model to another. Not sure if he still supports the texture converter but sure would be also interesting getting further extensions for he's Texture converter 2 .