and its opposite face are regular polygons, the triangular, square, and pentagonal cupolae all count among the Johnson solids, and can be formed by taking...

The tetrahemihexahedron may also be constructed as a crossed triangular cuploid. All cuploids and their duals are topologically projective planes. The...

the tetrahemihexahedron, which can be seen as a "crossed triangle" {3/2} cuploid. If p and q are not coprime, a degenerate polygon will result with coinciding...

cupola, ratricu) by {6/2}. As such it may also be called the crossed triangular cuploid. Many cases above are derived from degenerate omnitruncated polyhedra...