> ## Documentation Index
> Fetch the complete documentation index at: https://rive.app/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Shape Bend Tool

> Bend and reshape paths by dragging their edges.

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Use the **Shape Bend Tool** to reshape paths and Brush strokes by dragging directly on their geometry. Drag a shape’s edge to bend it, or on a Brush Shape, drag the center line to reshape the stroke and its edges to adjust its width. Corner points act as anchors while the geometry between them bends.

## Bending shapes

Select the **Shape Bend Tool**, then drag an edge to bend the path.

As you drag, nearby corner points anchor the bend while the path between them reshapes. Use **Corner Threshold** and **Falloff** to control which points act as corners and how far the bend extends.

<VideoEmbed src="https://static.rive.app/video/shape-bend.mp4" />

### Brush shapes

The Shape Bend Tool can also edit the spine and width of Brush Shapes.

* Drag the center line to reshape the stroke.
* Drag either edge to change the width of the stroke.

<VideoEmbed src="https://static.rive.app/video/brush-stroke-shape-bend.mp4" />

<Tip>
  While using the **Brush Tool**, hold <kbd>⌘</kbd> (or <kbd>Ctrl</kbd> on Windows) to temporarily switch to the **Shape Bend Tool**.
</Tip>

## Bend Options

### Corner Threshold

**Corner Threshold** controls how sharp a point must be to act as a corner while bending. Corners remain fixed while the path between them bends.

Lower values identify more points as corners.

<VideoEmbed src="https://static.rive.app/video/shape-bend-corner-threshold.mp4" />

### Falloff

**Falloff** controls how far a bend spreads along the path, as a percentage of the outline.

Higher values allow the bend to affect more of the path. Corners can stop the bend before it reaches the full falloff distance.

<VideoEmbed src="https://static.rive.app/video/shape-tool-falloff.mp4" />

### Smooth Joins

Enable **Smooth Joins** to keep the path smooth where the bent section meets the rest of the path.

Disable it to allow the bend to create a sharp point at the join.

## View options

Use the view options to inspect the geometry and curvature of the path while working with the Shape Bend Tool.

### Show Points

Enable **Show Points** to display the points along the path.

<VideoEmbed src="https://static.rive.app/video/shape-bend-show-points.mp4" />

### Show Curvature

Enable **Show Curvature** to display a comb along the path that visualizes its curvature. Longer lines indicate tighter curves, while sudden changes in the comb indicate abrupt changes in curvature.

Use **Comb Scale** to adjust the size of the curvature visualization.

Enable **Comb Outline** to connect the ends of the comb lines, making changes in curvature easier to see.

<VideoEmbed src="https://static.rive.app/video/shape-bend-show-curvature.mp4" />

### Show Selection

Enable **Show Selection** to display the selection outline and bounding box while bending.