solid STL generated by MeshLab facet normal 0.000000e+00 -0.000000e+00 -1.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 0.000000e+00 vertex 2.000000e+01 0.000000e+00 0.000000e+00 vertex 0.000000e+00 0.000000e+00 0.000000e+00 endloop endfacet facet normal -0.000000e+00 0.000000e+00 -1.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 0.000000e+00 vertex 0.000000e+00 0.000000e+00 0.000000e+00 vertex 0.000000e+00 2.000000e+01 0.000000e+00 endloop endfacet facet normal 0.000000e+00 0.000000e+00 1.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 2.000000e+01 vertex 0.000000e+00 2.000000e+01 2.000000e+01 vertex 0.000000e+00 0.000000e+00 2.000000e+01 endloop endfacet facet normal 0.000000e+00 0.000000e+00 1.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 2.000000e+01 vertex 0.000000e+00 0.000000e+00 2.000000e+01 vertex 2.000000e+01 0.000000e+00 2.000000e+01 endloop endfacet facet normal 1.000000e+00 0.000000e+00 -0.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 0.000000e+00 vertex 2.000000e+01 2.000000e+01 2.000000e+01 vertex 2.000000e+01 0.000000e+00 2.000000e+01 endloop endfacet facet normal 1.000000e+00 0.000000e+00 0.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 0.000000e+00 vertex 2.000000e+01 0.000000e+00 2.000000e+01 vertex 2.000000e+01 0.000000e+00 0.000000e+00 endloop endfacet facet normal 0.000000e+00 -1.000000e+00 0.000000e+00 outer loop vertex 2.000000e+01 0.000000e+00 0.000000e+00 vertex 2.000000e+01 0.000000e+00 2.000000e+01 vertex 0.000000e+00 0.000000e+00 2.000000e+01 endloop endfacet facet normal 0.000000e+00 -1.000000e+00 0.000000e+00 outer loop vertex 2.000000e+01 0.000000e+00 0.000000e+00 vertex 0.000000e+00 0.000000e+00 2.000000e+01 vertex 0.000000e+00 0.000000e+00 0.000000e+00 endloop endfacet facet normal -1.000000e+00 0.000000e+00 0.000000e+00 outer loop vertex 0.000000e+00 0.000000e+00 0.000000e+00 vertex 0.000000e+00 0.000000e+00 2.000000e+01 vertex 0.000000e+00 2.000000e+01 2.000000e+01 endloop endfacet facet normal -1.000000e+00 0.000000e+00 0.000000e+00 outer loop vertex 0.000000e+00 0.000000e+00 0.000000e+00 vertex 0.000000e+00 2.000000e+01 2.000000e+01 vertex 0.000000e+00 2.000000e+01 0.000000e+00 endloop endfacet facet normal 0.000000e+00 1.000000e+00 0.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 2.000000e+01 vertex 2.000000e+01 2.000000e+01 0.000000e+00 vertex 0.000000e+00 2.000000e+01 0.000000e+00 endloop endfacet facet normal 0.000000e+00 1.000000e+00 0.000000e+00 outer loop vertex 2.000000e+01 2.000000e+01 2.000000e+01 vertex 0.000000e+00 2.000000e+01 0.000000e+00 vertex 0.000000e+00 2.000000e+01 2.000000e+01 endloop endfacet endsolid vcg