See also: Trivet in Pictorial Dictionary of Heraldry.
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A small stand with three legs used to support a hot pot.
Default orientation: in annulo, all three legs visible. No proper coloration.
Trivet (3) §
As of the April 2023 LoAR, this design was ruled unregistrable due to its resemblance to the triskelion gammadion used as the insignia of some neo-Nazi movements including the Afrikaner Weerstandsbeweging.
Source: Bellenville Armorial. Artist unknown. (Folio 6v.)