The Curve modifier provides a simple but efficient method of deforming a mesh along a curve object. Use this tag for questions about using the Curve modifier.

The Blender manual says that the Curve Modifier

provides a simple but efficient method of deforming a mesh along a curve object.

The modifier is often used to align an array along a curve, rather than in a straight line; or to deform an object as it moves along the curve.

Use this tag for questions about using the Curve modifier.