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

Juan Melé, Coplanar sobre fondo blanco #31 (Coplanar on White Background #31), 1947, Oil on wood. Duker Collection, Pasadena, California

Jean Arp, Yellow Constellation, 1953, Painted wood relief. Collection of the Museum of Fine Arts, Houston, bequest of Caroline Wiess Law
Read my review of Arp’s 2018 show at the Nasher Sculpture Center here.
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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