Awaiting 9 replacement faces from Shapeways

I finally am back on track with my project. I just sent off nine files to Shapeways and I will receive the printed masks after Thanksgiving.
I redesigned the face so it has less detail on the cheeks (rounder and less gaunt). I also put a small post where the neck bone would be that should fit snugly into a 5/32 square brass tube.

The nine faces are in the following mouth shapes:
closed
c, d, g, k, s, etc...
e
a, i
o
w, q
u
f, v
m, b
I'll certainly post when I get the faces.