By this term we understand three evenly indented plinth segments.
In antique furniture, for example, we often find this on the bases of Biedermeier tables. But also in other antiques, such as altar chandeliers, we speak of the term "trefoil".
In Biedermeier furniture making, attention is paid to straight lines and a strictly cubist design style. Carefully selected and mirrored veneers now provide the design of the surface. Sparingly placed columns and recessed key plates made of ebony loosen up the flatness.
By this term we mean three evenly recessed plinth segments.