umm...I have one, I do use it, but sometimes I just turn the whole thing as it does not rotate sometimes. I also use smaller regular cutting mat and just turn them. mine is fairly old, they may have improved them by now. Mine doesn't smell and I don't recall it smalling much. It is an Olfa. One thing I do like about it even when I don't use the turning feature is that the base does seem to stick to the table top a bit providing a more stable surface.