Manicure: Blue ombre dotticure nail art with Essie and China Glaze nail polishes

I admit that this mani is more of a puddle-icure than a dotticure. I do not have steady hands, and, with the dotting tool and a few hours' time, I managed these irregular puddles. I used:

• Rimmel All White Now as the base
• Essie Aruba Blue
• China Glaze Aqua Baby
• China Glaze Flyin High

I didn't apply the top coat as I'm going to take it all off now and just go with a plain old polish, no art, no effects. Maybe O.P.I. Ink, since I'm feeling quite blue.
If anyone has done a dotticure with a tool, please, please let me know how you get perfectly round dots in varying shapes. I'm also not sure you can tell that there are three different blue polishes in there.
I prefer the Konad pens with the dotting attachment - you squeeze to get the dot; no dipping required. Problem is, those come in limited colours. I'm not going to do another dotticure for a loooong time. I'll go dotty if I do.