Shape Extrusion

This component is used in example scene(s) such as:

21_CGExtrusion, 23_CGTube, 25_CGExtrusionAdvanced.

Extrudes a Shape along a Path to produce a Volume. This is the core module for procedural mesh generation in the Curvy Generator.

Slots

Inputs

Name Type Description
Path Path The path to extrude along
Shape Shape The cross-section shape to extrude

Outputs

Name Type Description
Volume Volume The resulting extruded volume
Volume (Hollow) Volume (Optional) An inner volume, for creating hollow shapes like tubes

Settings

Path

Controls how the path is sampled during extrusion.

Range

Defines which portion of the path to extrude. For closed paths, From repeats endlessly; for open paths it is clamped.

Resolution

Controls how many segments are created along the path. Higher values produce a smoother result.

Optimize

When enabled, segments are placed based on the path's curvature rather than at a fixed distance. Fewer segments are used on straight sections, more on curves.

Angle Threshold

(Optimize only)

The curvature angle at which a new segment is inserted.

Cross

Controls how the cross-section shape is sampled during extrusion.

Range

Defines which portion of the shape to use as the cross-section. For closed shapes, From repeats endlessly; for open shapes it is clamped.

Resolution

Controls how many vertices are created around the cross-section. Higher values produce a smoother profile.

Optimize

When enabled, vertices are placed based on the shape's curvature rather than at a fixed distance.

Angle Threshold

(Optimize only)

The curvature angle at which a new vertex is inserted.

Include CPs

When enabled, a vertex is guaranteed at every control point of the cross-section shape.

Shift

Defines the starting point of the cross-section relative to the extruded volume.

Reverse Normal

Flips the normals of the generated volume (does not affect the Hollow output).

Scale

Controls how the cross-section is scaled along the path. Useful for tapering or swelling effects.

Mode

Reference

Uniform Scaling

When enabled, applies the same scale to both X and Y axes of the cross-section.

Scale

The base scale value applied to the cross-section vertices.

Offset

(Advanced mode only)

Scale starts at this offset along the path.

Multiplier

(Advanced mode only)

A curve multiplying the base scale value.

Hollow

Generates a second, smaller volume inside the main volume simultaneously. The value defines how much the inner volume is shrunk as a percentage.

Most useful for creating tubes or pipes.

Reverse Normal

Flips the normals of the hollow volume (does not affect the main Volume output).