Advanced Part Modeling Features - Inventor 2013 and Inventor LT 2013 Essentials - page 164

FIGURE 7.13 Individual instances in a pattern
can be suppressed.
FIGURE 7.14 The hole pattern with one occurrence suppressed
It is possible to suppress any number of members and to change whether
they're suppressed at any time.
Expanding on the Rectangular Pattern
The fundamentals of the Rectangular or even the Circular Pattern are much the
same. As mentioned in the previous exercise, the directions of the pattern don't
have to form a rectangle.
In this exercise, not only will you use one direction, but you will see that
direction can be a curve.
1. Make certain that the 2013 Essentials project file is active, and then
open c07-09.ipt from the Parts\Chapter​7 folder.