On Wed, 12 Apr 2017, Adrian Stoness wrote:
  Modicon, ge faunic, Allen Bradly, Allen Heath, hewert
Rand, Siemens, abb,
 idec, square d, some I know I'm forgeting
 
You don't "program" an STL file.  It's a 3D object layout for a
3D printed
part.  :)
(also, don't top post!)
g.
--
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