The Rule Was "2 Holes on the Bottom, 1 Hole on the Top"

Photo date: November 4, 2019. Photographer: Mark Mahin.

I took the photos below while photographing only ordinary drops of pure, clean water falling in front of a black featureless background.  We see four orbs that all have two holes on the bottom, and one hole on the top.

We see the same pattern followed in the photo below:

We see the same pattern followed in the photo below (and also see some veil-like strangeness):

We see the same pattern followed in the photo below (and also see some veil-like strangeness):

We see the same pattern followed in the photos below (and also see some veil-like strangeness):

We see the same pattern followed in the photos below:

We see the same pattern followed in the photos below (and also see some veil-like strangeness):

We see the same pattern followed in the photo below:

The pattern appeared as shown above in almost all of hundreds of consecutive photos, with a large fraction of the photos showing multiple instances of the pattern, as in the photo below: