The tricube is a poem that nearly explains itself in the name. It consists of three stanzas that each contain three trisyllabic lines. The poem’s structure is literally 3x3x3 or “three cubed.” The form was introduced by American poet Phillip Larrea and already has a cult following.
The lune is a poetic form created by Robert Kelly as a sort of rebellion against the haiku. It’s only requirement is that it have a 5-3-5 syllable structure, eschewing the cutting words and seasonal themes that many writers associate with the traditional haiku. It has another variant based on word counts by Jack Collom.