Vortex Mixer Extra Wide Top

I decided I wanted a vortex generator to mix my paints, but also didn't want to spend a lot of money. Fortunately this was already on Thingiverse: https://www.thingiverse.com/thing:3140367

The cone topper works great for mixing dropper bottles (cap-side down). But I have craft paints, Tamiya paints, washes and other larger bottles that also need quick mixing. I used calipers to take the dimension for the stem and built this extra wide mixer top.

I recommend test fitting this to the larger