About Dimension Patterns
You can create a dimension-driven pattern to specify multiple occurrences of a component in an assembly. The dimension-driven pattern uses assembly constraint dimensions such as Distance or Angle Offset offset values. The rules for creating a dimension-driven pattern are the same as those for feature patterning in Part mode.
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If you must redefine a dimension pattern, redefine the component placement first, and then redefine the pattern.
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