Multiresolution Modifier

The Multiresolution modifier (often shortened to ”Multires”) gives you the ability to subdivide a mesh similarly to the Subdivision Surface modifier, but also allows you to edit the new subdivision levels in Sculpt Mode.

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Multiresolution is the only modifier that cannot be repositioned in the stack after any modifier that will change geometry or other object data (i.e. all Generate, some Modify and some Simulate modifiers cannot come before the Multiresolution one).

Options

The Multiresolution modifier.

Levels Viewport

Set the level of subdivisions to show in Object Mode.

Sculpt

Set the level of subdivisions to use in Sculpt Mode.

Render

Set the level of subdivisions to show when rendering.

Sculpt Base Mesh

Makes sculpt-mode tools deform the base mesh instead of the displaced mesh, while previewing the displacement of higher subdivision levels. This allows you to see the propagation of strokes in real-time, which enables to use complex tools like Cloth or Pose in much higher resolutions without surface noise and artifacts.

Optimal Display

When rendering the wireframe of this object, the wires of the new subdivided edges will be skipped (only displays the edges of the original geometry).

Subdivisions

Subdivide

Creates a new level of subdivision using the type specified by Subdivision Type (see below).

Simple

Creates a new level of subdivision using a simple interpolation by subdividing edges without any smoothing.

Linear

Creates a new level of subdivision using linear interpolation of the current sculpted displacement.

Unsubdivide

Rebuild a lower subdivision level of the current base mesh.

Delete Higher

Deletes all subdivision levels that are higher than the current one.

Shape

Reshape

Copies vertex coordinates from another mesh.

To use it, first select a different mesh object with matching topology and vertex indices, then Shift select the object you wish to copy vertex coordinates to, and click Reshape.

Apply Base

Modifies the original unsubdivided mesh to match the form of the subdivided mesh.

Generate

Rebuild Subdivisions

Rebuilds all possible subdivisions levels to generate a lower resolution base mesh. This is used to create an optimized multiresolution version of a pre-existing sculpt. This option is only available when no subdivision level have been created through the modifier.

Save External

Saves displacements to an external .btx file.

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Quality

How precisely the vertices are positioned (relatively to their theoretical position), can be lowered to get a better performance when working on high-poly meshes.

UV Smooth

How to handle UVs during subdivision.

None

UVs remain unchanged.

Keep Corners

UV islands are smoothed, but their boundary remain unchanged.

Keep Corners, Junctions

UVs are smoothed, corners on discontinuous boundary and junctions of three or more regions are kept sharp.

Keep Corners, Junctions, Concave

UVs are smoothed, corners on discontinuous boundary, junctions of three or more regions and darts and concave corners are kept sharp.

Keep Boundaries

UVs are smoothed, boundaries are kept sharp.

All

UVs and their boundaries are smoothed.

Boundary Smooth

Controls how open boundaries (and corners) are smoothed.

All

Smooth boundaries, including corners.

Keep Corners

Smooth boundaries, but corners are kept sharp.

Use Creases

Use the Weighted Edge Creases values stored in edges to control how smooth they are made.

Use Custom Normals

Interpolates existing Custom Split Normals of the resulting mesh.