Not directly and certainly not the metal combustion chamber or nozzel.
   Probably not the parts exposed to high aerodynamic forces either but
   these are easily made using common and inexpensive metal shop
   fabrication means.

   On Aug 29, 2018 9:13 PM, "Steve Kinney" <[1]admin@pilobilus.net> wrote:

   On 08/29/2018 10:07 PM, Steven Schear wrote:
   > Stingers seem to be the deciding element for the Soviets in their
   > withdrawal from Afghanistan.
   >
   > Wasn't it Isaac Asimov that used gene-targeted assassination as the
   > major plot element in one of his stories?

     Isn't it you who seems to believe that 3D printers can make guided
     missiles?
     >From there to "ragtag rebel hipsters" making biological weapons to
     wipe
     out scapegoat families ain't a long stretch, as both both reflect an
     infantile fantasy life with no significant grounding in material
     reality.
     Why not 3D print a few kilos of heroin to fund your rebellion?  Or
     if
     that's not your bag, why not 3D print diamonds?  Or gold?
     :o)

References

   1. mailto:admin@pilobilus.net