I bought this vortex mixer in order to better mix the paints I use for tabletop miniature gaming. Some of the vortex mixers I saw had smaller tops that seemed specifically modeled for the scientific applications this mixer is used for, such as test tubes. This was a concern and why I was attracted to this particular model. I use Vallejo, P3, Citadel, and Warcolours paints most often so I have a wide variety of container shapes that I need to be compatible with a mixer.This vortex mixer is a cyliSee full review