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Chapter 26: Deforming Surfaces and Using the Mesh Modifiers
Tutorial: Adding veins to a forearm
The Paint Deformation feature is very useful in adding surface details to organic objects such as the veins of
a forearm.
To add veins to a forearm object, follow these steps:
1. Open the Forearm with veins.max file from the Chap 26 directory on the DVD.
The polygons that make up the forearm object have been selected and tessellated to increase its

resolution.
2. With the forearm object selected, open the Modify panel and in the Paint Deformation rollout,
click the Relax button. Set the Brush Size to 1.0, and drag over the entire forearm.
This smoothes out some of the vertical lines that run along the forearm.
3. Click the Push/Pull button, and set the Push/Pull Value to 0.15, the Brush Size to 0.08, and the
Brush Strength to 0.5. Then draw in some veins extending from the elbow toward the hand.
4. Lower the Brush Strength value to 0.25, and extend the vein farther down the arm. Then drop
the Brush Strength to 0.1, and finish the veins.
5. With the Push/Pull brush still selected, hold down the Alt key and drag near the wrist to indent
the surface around the area where the hand tendons are located.
Figure 26.4 shows the resulting forearm.
FIGURE 26.4
The Paint Deformation brushes are helpful in painting on raised and indented surface features.

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