Become a rock star!!
Once I started playing with this, I immediately rocked my face off.
Don't use a raft.
I modified the gcode in ReplicatorG to not stop the extruder at the beginning of printing, so the extruding remains consistant for this very thin part.
The dimensions are in millimeters.
The tip is thinnest to maintain flexibility while the rest is thicker for asthetic purpose.