15 lines (11 with data), 304 Bytes

BodyModel.Trunk.SegmentsLumbar.L5Seg = {
  
  DrwSTL.Visible = Off;
  
  AnyDrawSurf DrwSTL2 = {
    FileName = "../Input/CAD/L5_withoutpedicle.stl";
    RGB = ...ColorRef.Segments;
    Opacity=1;
    Face = 2;
    AnyFunTransform3D &Scale =.Scale;
    ScaleXYZ  = {1,1,1}/1000;
  };
  
};