Artist's commentary
I was looking at pictures of churches for reference and found a very erotic pillar. Wow.
Source: https://twitter.com/yamadieval/status/1466373859746058240
Includes a photo of a row of columns all of which are comprised of two narrow columns side-by-side with a gap inbetween except for the one in question comprising of three columns twisted together.
From the cloister of the Iglesia de San Pedro de la Rúa
Source: https://twitter.com/yamadieval/status/1466373932919844865