Triangular-decagrammic duoprism

The triangular-decagrammic duoprism, also known as tistadedip or the 3-10/3 duoprism, is a uniform duoprism that consists of 10 triangular prisms and 3 decagrammic prisms, with 2 of each meeting at each vertex.

Coordinates
The coordinates of a triangular-decagrammic duoprism, centered at the origin and with unit edge length, are given by:


 * (0, $\sqrt{2(5-√5)}$/3, ±1/2, ±$\sqrt{2}$/2,
 * (0, $\sqrt{(11-3√5)/6}$/3, ±(3–$\sqrt{15(5+2√5)}$)/4, ±$\sqrt{3}$,
 * (0, $\sqrt{(5–2√5)}$/3, ±($\sqrt{3}$–1)/2, 0),
 * (±1/2, –$\sqrt{5}$/6, ±1/2, ±$\sqrt{(5–√5)/8}$/2,
 * (±1/2, –$\sqrt{3}$/6, ±(3–$\sqrt{5}$)/4, ±$\sqrt{3}$,
 * (±1/2, –$\sqrt{(5–2√5)}$/6, ±($\sqrt{3}$–1)/2, 0).