Symmetric Canonical Self-Dual Hendecahedra

40 total:  4 

3 have C2v symmetry:  1 

4 have 6 edge lengths:  1 

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

Self-Dual Hendecahedron #4 (canonical)
Vertices:  11  (2[3] + 2[3] + 2[4] + 1[4] + 4[4])
Faces:11  (2 * 2 isosceles triangles + 2 kites + 1 rhombus + 4 tetragons)
Edges:20  (6 different lengths)
(values below based on edge-scribed radius = 1)
Edge-scribed Radius:  1
Volume:root[6th-order polynomial]    ≈3.5765926660180705308