Ok, I am creating tiny particles (there won't be a ton so doing it manually) to achieve a kind of effect like this per this question: Sun Glow Particles
However this, and in my situation, the transparent material Ive created (with just a transparent BDSF and emissive shader mixed) has a hard edge. This doesnt get the desired, soft particle effect I want:
I want something where the edges of the "particle" meshes are blurred in some places, like if you took a Photoshop brush and erased some parts. I tried volume scatter as suggested but Id like to just make particle meshes.
Is this SOFT bokeh material possible?
What I did: