Two slant triangular prisms fused together.
Biprism
See also
Prism, Schmitt-Conway BiprismExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Biprism." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Biprism.html
Two slant triangular prisms fused together.
Weisstein, Eric W. "Biprism." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Biprism.html