You will
need to follow the rough outline of a knob, so click and drag where there is curvature
in the line. Once you have laid down your first vertex, continue to click and
drag more vertices for the line clockwise until you create the half-profile knob shape
shown in Figure 4.68.
Figure 4.69 shows the profile line with the vertices numbered according to their
creation order.
To create a straight line segment between two vertices, press and hold Shift to keep the next
vertex to be laid down orthogonal to the last vertex, either horizontally or vertically.
Figure 4.68
The intended profile
curve for the knob
162 ?– chapter 4: Modeling in 3ds Max: Part I
4. Once you lay down your last vertex at the top, finish the spline by either right-clicking
to release the Line tool or clicking the first vertex you created to close the spline. For
this example, it really doesn??™t matter which method you choose. Either an open or
closed spline will work; however, a closed spline is shown in Figure 4.69. Drawing
splines entails a bit of a learning curve, so it might be helpful to delete the one you did
first and try again for the practice. Once you get something resembling the spline in
Figure 4.
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