Subdivision
Composite
u1 u2 u3 u4
u22
u5 u6
u2u3
u7 u8
u23
u9
u32
u10
u2u5
u11 u12
u22u3
Face
triangle
Conway <seed> dcd dtkd = kt dccd ? dctkd dwrwd dcccd dtktkd = ktkt ? ? dcctkd
Icosahedron
dD=I

dcD

ktI

dccD

dctkD

dwrwD

dcccD

ktktI

dcctkD
Dodecahedron
Conway
Goldberg

D
G(1,0)

cD
G(2,0)

tkD
G(3,0)

ccD
G(4,0)

 
G(5,0)

ctkD
G(6,0)

wrwD
G(7,0)

cccD
G(8,0)

tktkD
G(9,0)
G(10,0) G(11,0)
cctkD
G(12,0)


Subdivision Conway Triangle Icosahedron
u1 - , I
u2 dcd , dcdI=dcD
u3 dtkd = kt , ktI
u4 = u22 dccd , dccD
u5 ?
u6 = u2u3 dctkd , dctkD
u7 dwrwd , dwrwD
u8 = u23 dcccd , dcccD
u9 = u32 dtktkd = ktkt , ktktI
u10 = u2u5 ?
u11 ?
u12 = u22u3 dcctkd , dcctkD
u13 ?
u14 = u2u7 dcwrwd , dcwrwD
u15 = u3u5 ?
u16 = u24 dccccd , dccccD
u17 ?
u18 = u2u32 dctktkd