Ahaa! I did not notice that comment of his. He uses the Star tools program, which perhaps has a way to make this effect "happen"by some knowable or unknowable magic. I don't know that program. What I really like about PI is that one can know (more o…
another: https://www.astrobin.com/full/4q5m9i/0/?mod=&real=
look at that little star cluster (NGC2100). You can define each star through its volume. I don't know how to describe.
Thank you, Adam. Here is an example of what I mean. Both the large and the really tiny stars in this image have a beautiful 3D like shape....Of course, he might not be doing any kind of substitution. I will try your original pixel substitution some …