According to Iaffaldano, the curved shapes of plate margins are useful and precise diagnostics because they show the degree of coupling between tectonic plates.

The shape can also lend drama when you're learning to mix and match plateware. For instance, "Pair round dinner plates with scalloped or octagonal salad plates for a subtle architectural tension ...

We’ve tested 19 pie plates since 2013, and we think the OXO Good Grips Glass 9″ Pie Plate makes it easy to bake beautiful pies of every kind.

Research explains how round shapes make foods taste sweet. Skip to main content ... (2013). Plate shape and colour interact to influence taste and quality judgments. Flavour, 2, 27. DOI: 10.1186 ...

"We found at least 20 per cent of the force driving plate tectonic movement needed to be traded between the two plates to create the unique shape seen at Nazca. Simulating millions of years.