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 ```.. index:: Geometry Nodes; Is Face Planar ``` ```.. _bpy.types.GeometryNodeInputMeshFaceIsPlanar: ``` ``` ``` ```******************* ``` ```Is Face Planar Node ``` ```******************* ``` ``` ``` ```.. figure:: /images/node-types_GeometryNodeInputMeshFaceIsPlanar.png ``` ``` :align: right ``` ``` :alt: Is Face Planar Node. ``` ``` ``` ```The *Is Face Planar* node outputs whether every triangle of a ``` ```:term:`quads ` or :term:`N-gons ` is on the same plane as all of the others, in ``` ```other words, if they have the same :doc:`normal `. ``` ``` ``` ```For example, a non-planar face can be created by moving a single vertex in a face but not ``` ```the others. Triangles will always be planar. ``` ``` ``` ``` ``` ```Inputs ``` ```====== ``` ``` ``` ```Threshold ``` ``` The distance a point can be from the surface before the face is no longer ``` ``` considered planar. ``` ``` ``` ``` ``` ```Properties ``` ```========== ``` ``` ``` ```This node has no properties. ``` ``` ``` ``` ``` ```Outputs ``` ```======= ``` ``` ``` ```Planar ``` ``` Whether each mesh face is planar. ``` ``` ``` ``` ``` ```Examples ``` ```======== ``` ``` ``` ```.. figure:: /images/modeling_geometry-nodes_input_face-is-planar_simple.png ``` ``` :align: center ``` ``` ``` ```Combined with the :doc:`/modeling/geometry_nodes/material/set_material`, ``` ```this node is used to visualize all non-planar faces in a mesh. ```