Craft paint adapter for Fisher Genie Vortex 2 mixer

I recently picked up a used vortex mixer from ebay to mix my paints. The included adapter was great for mixing my 1/2 oz dropper bottle paints from Reaper, Army Painter and Vallejo, but didn't work for my extensive craft paint collection in the 2 oz bottles. No matter how hard I tried, I couldn't get the vortex to form in the larger craft bottles by holding it on the too small holder.

So I whipped up this design in Fusion 360.

This is in two parts - an adapter base and the actual craft