# Cast Modifier¶

This modifier shifts the shape of a mesh, curve, surface or lattice to any of a few pre-defined shapes (sphere, cylinder, cuboid).

It is equivalent to the To Sphere tool in Edit Mode Mesh ‣ Transform ‣ To Sphere, Alt-Shift-S and what other programs call “Spherify” or “Spherize”, but, as written above, it is not limited to casting to a sphere.

Tip

The Smooth Modifier is a good companion to Cast, since the cast shape sometimes needs smoothing to look nicer or even to fix shading artifacts.

Note

For performance reasons, this modifier only works with local coordinates. If the modified object looks wrong, you may need to apply its rotation Ctrl-A, especially when casting to a cylinder.

## Options¶

Cast Type

Menu to choose target shape of the projection.

Sphere, Cylinder, Cuboid

Axis

Toggle buttons to enable/disable the modifier in the X, Y, Z axes directions (X and Y only for Cylinder cast type).

X, Y, Z

Factor
The factor to control blending between original and cast vertex positions. It is a linear interpolation: 0.0 gives original coordinates (i.e. modifier has no effect), 1.0 casts to the target shape. Values below 0.0 or above 1.0 exaggerate the deformation, sometimes in interesting ways.
If non-zero, this radius defines a sphere of influence. Vertices outside it are not affected by the modifier.
Size
Alternative size for the projected shape. If zero, it is defined by the initial shape and the control object, if any.