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Smooth Modifier

Mode: Any mode

Panel: Modifiers


Smooth modifier applied to a subdivided cube
As above, with a vertex group selected

This modifier smooths a mesh by flattening the angles between adjacent faces in it, just like Smooth in the Editing context. It smooths without subdividing the mesh – the number of vertices remains the same.

This modifier is not limited to smoothing, though. Its control factor can be configured outside the [0.0, 1.0] range (including negative values), which can result in interesting deformations, depending on the affected mesh.


X, Y, Z
Toggle buttons to enable/disable the modifier in the X, Y and/or Z axes directions.
The factor to control the smoothing amount. The smoothing ranges from 0.0 to 1.0 (0.0: disabled, 0.5: same as the Smooth button, 1.0: maximum). Alternatively, values outside this range (above 1.0 or below 0.0) distort the mesh.
The number of smoothing iterations, equivalent to pressing the Smooth button multiple times.
Vertex Group
A vertex group name, to restrict the effect to the vertices in it only. This allows for selective, real-time smoothing, by painting vertex weights.