From what I've read, picture 6 (shallow angle) would work well with the Tech:Does picture 6 work well and glide for the Gillette Tech and Fatip piccolo/grande?
and steep angle better with the Fatip open combs:
In my experience with my beloved Fatip Piccolo... steep is the way.
... and digressing for a moment, do come and join us at the Piccolo Lovers' Club.