“This and That” is an occasional series of paired observations. See past “This and That” posts here. – Ed.
Today: Indented lines

Néstor Basterretxea, “Progresión,” 1959, bas-relief on slate, 80.2 x 80.2 x 1 centimeters. On view at the SMU Meadows Museum, 2023.

Jessica Baldivieso, “inside out,” 2022, gesso on framed wood panel, 36 x 18 inches. On view at Pencil on Paper Gallery, 2023.
*************
No matter how original, innovative or crazy your idea, someone else is also working on that idea. Furthermore, they are using notation very similar to yours. – Bruce J. MacLennan