Added missing ParamsSetup() to hint the OpenGL.

src/main.cpp

@@ -51,6 +51,8 @@ int main(int argc,char **argv)
 		mesh.ExportSTL(argv[5]);
 	else
 	{
+		ParamsSetup();
+
 		std::cout << "vertices  #: " << mesh.Pos.size() << "\n";
 		std::cout << "triangles #: " << mesh.ID.size()/3 << "\n";
 		std::cout << "normals   #: " << mesh.norm.size() << "\n";