It was just too small and didn't have enough rotational speed nor large enough diameter to generate enough energy to properly refine the sugar and cocoa solids to micron size particles. The chocolate was smoother, but not smooth enough. You could tell it was still homemade. LST-BM600 ball mill is https://zaneazwsl.thezenweb.com/chocolate-single-tube-ball-refiner-temel-açıklaması-64173408