Universal servo insert part for Wersy's Speedy "Red Mini Wing"

The idea came when I didn't find required servo, even on Hobbyking.com site.

After discussion with author of Speedy "Red Mini Wing"
(http://www.thingiverse.com/thing:1117576)
I designed universal insert on basis of original part (with his permission).
Original insert has been imported in OpenSCAD and all walls have been removed.
I added 4 corners to place servo in place with accuracy of 0.1 mm (this is how I can re-engineer original part).

You should copy "Servo_Insert_Plate.stl" and "