Accidental holographic brush

https://www.youtube.com/watch?v=VoU0Ls2n2nM
I am sorry, is there an easy way to replicate this?
I mean the holographic brush that just disappears into thin air. I was experimenting (hence the spinning canvas and everything else
) and i can't repeat this beautiful effect now
I am sorry, is there an easy way to replicate this?

