Truncated Archimedean Solids

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Canonical Truncated Truncated Cuboctahedron
canonical form
Vertices:  144  (48[3] + 48[3] + 48[3])
Faces:74  (6 quad-symmetric hexadecagons + 8 tri-symmetric dodecagons
    + 12 bi-mirror-symmetric octagons + {24 * 2} acute triangles)
Edges:216  (6 different lengths)
Symmetry:  Full Octahedral  (Oh)
(values below based on edge-scribed radius = 1)
Edge 1 (24):  (4*sqrt(2)−2    
    −sqrt(3*(26−17*sqrt(2))))/7    
≈0.17614171091276534731
Edge 2 (48):  (6+15*sqrt(2)    
    −sqrt(6*(130−47*sqrt(2))))/42    
≈0.18307310194541516296
Edge 3 (24):  (12+3*sqrt(2)    
    −sqrt(3*(26+17*sqrt(2))))/21    
≈0.19000449297806497862
Edge 4 (48):  (sqrt(3*(10+sqrt(2)))    
    −3−sqrt(2))/7    
≈0.20535823009667162064
Edge 5 (48):  (sqrt(6*(82+49*sqrt(2)))    
    −15*sqrt(2))/42    
≈0.21228962112932143629
Edge 6 (24):  (sqrt(3*(34+23*sqrt(2)))    
    −4−6*sqrt(2))/7    
≈0.23457474928057789396
Edge-scribed Radius:  1
Volume:(2*sqrt(6*(3898+889*sqrt(2)))    
    −108−12*sqrt(2))/63    
≈3.59961941227155358049