Johnson Solids (Page 2)

(box: x-ray)  (F: faces)  (slider: perspective)  (image: L=rotate R=zoom)  (M: metrics)

(J26) Gyrobifastigium
regular faces
Vertices:  8  (4[3] + 4[4])
Faces:8  (4 equilateral triangles + 4 squares)
Edges:14
Symmetry:  2-fold Antiprismatic  (D2v)
(values below based on edge length = 1)
Volume:sqrt(3)/2    ≈0.86602540378443864676