Two adjoined cupolas.
Bicupola
See also
Cupola, Elongated Pentagonal Gyrobicupola, Elongated Pentagonal Orthobicupola, Elongated Square Gyrobicupola, Elongated Triangular Gyrobicupola, Elongated Triangular Orthobicupola, GyrobicupolaExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Bicupola." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Bicupola.html