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Chapter 11: Introducing Modifiers and Using the Modifier Stack

FIGURE 11.11
You can use the Displace modifier’s gizmo as a modeling tool to change the surface of an object.

Lattice modifier
The Lattice modifier changes an object into a lattice by creating struts where all the edges are located or by
replacing each joint with an object. The Lattice modifier considers all edges as struts and all vertices as joints.
The parameters for this modifier include several options to determine how to apply the effect. These
options include Apply to Entire Object, to Joints Only, to Struts Only, or Both (Struts and Joints). If the
Apply to Entire Object option isn’t selected, then the modifier is applied to the current subobject.
For struts, you can specify Radius, Segments, Sides, and Material ID values. You can also specify to Ignore
Hidden Edges, to create End Caps, and to Smooth the Struts.
For joints, you can select Tetra, Octa, or Icosa types with Radius, Segments, and Material ID values. There
are also controls for Mapping Coordinates.

Note
Although the joints settings enable you to select only one of three different types, you can use the Scatter com-
pound object to place any type of object instead of the three defaults. To do this, apply the Lattice modifier and
then select the Distribute Using All Vertices option in the Scatter Objects rollout. n
Figure 11.12 shows the effect of the Lattice modifier. The left hammer has only joints applied, the middle
hammer has only struts applied, and the right hammer has both applied.
Mirror modifier
You can use the Mirror modifier to create a mirrored copy of an object or subobject. The Parameters rollout
lets you pick a mirror axis or plane and an Offset value. The Copy option creates a copy of the mirrored
object and retains the original selection.

Note
The Mirror modifier works the same as the Mirror command found in the Tools menu, but the modifier is handy if
you want to be able to quickly discard the mirroring changes. n

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