blender-manual/manual/modeling/geometry_nodes/material/material_selection.rst

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Material Selection Node

Material Selection node.

The Material Selection node provides a selection for meshes that use this material. Since the material_index is stored on each face, the output will be implicitly interpolated to a different domain when necessary. For example, every vertex connected to a selected face will be selected.

Inputs

Material

Standard material input.

Properties

This node has no properties.

Outputs

Selection

Selection of faces that use the input material.