DECEMBER 18, 2003
3D Effects in Illustrator CS, Part 2
Custom bevel creation
by David Nagel
Page 3 of 4

But bevel height isn't the only factor. The shape of your starting bevel also affects the predictability of your results. Let's say I create a crazy path for my bevel like this:

[an error occurred while processing this directive]What's that going to do to my object when I apply it? Because the curves of my bevel cross one another, this bevel will cause the geometry of my object--once again--to go non-Euclidean, intersecting in some theoretical Xth dimension and cross back into our perception reality at unpredictable intervals.





In other words, part of your object will disappear and be lathed into oblivion. This may be fine for theoretical mathematicians, but not fine for designers. So remember that when you draw your bevel shape horizontally, you can't have parts of the bevel overlap vertically. The shape needs to be in a clean waveform to get predictable results. In the diagram below, the portions of the curve in red show where my bevel shape went wrong. The arrow indicates the direction in which the curve was drawn.





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