Facet

Format

facet normal
  outer loop
    vertex
    vertex
    vertex
  endloop
endfacet

Stereolithography file format.

Example

facet normal 1.000000e+00 0.000000e+00 0.000000e+00  
  outer loop
    vertex -1.000000e+00 -1.000000e+00 1.000000e+00  
    vertex -1.000000e+00 1.000000e+00 1.000000e+00  
    vertex -1.000000e+00 1.000000e+00 0.000000e+00  
  endloop
endfacet