OpenFOAM-12/tutorials/modules/multiRegion/CHT/circuitBoardCooling/constant/geometry/baffle1D.stl

solid ascii
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   vertex 0.3 0 0.1
   vertex 0.3 0.2 0
  endloop
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 facet normal -1 0 0
  outer loop
   vertex 0.3 0.2 0.1
   vertex 0.3 0.2 0
   vertex 0.3 0 0.1
  endloop
 endfacet
endsolid