Thanks, Birdie. Yes, I did use an electronic trigger. The challenge was mostly lighting even though after the set-up, I still had to work on the timing, surface tension, temperature, and consistency of the milk.
It is a good exercise on how to work on lights. I have variations in lighting with different results but felt this one light set-up gave more dimension.
Thanks, Klaus. I looked at the theme as white on white like two drops of milk but not necessarily a white background. :-) I still appreciate the suggestion.