a showing wall - Gintaras Karosas
the non-regular geometry of the Tepe Sialk (c.3000 BCE) - not Sumerian etc. but possibly from a Zayandeh River Culture
statuary fragments from Cerro de los Santos (pre-roman spain), roughly dated to the early 1st millenia BCE
these aren’t quite the good examples I was looking for— but the celled textures left by Sapsucker Woodpeckers are exquisite
configuring paint - Quayola