The preceding Johnson solid , the snub disphenoid also fits constructionally as ss ( 2 , 4 ) .
You have to retain two degenerate digonal faces ( drawn in red ) in the digonal antiprism .
The preceding Johnson solid , the snub disphenoid also fits constructionally as ss ( 2 , 4 ) , but you have to retain two degenerate digonal faces ( drawn in red ) in the digonal antiprism .