Setting Default Patterns
To set the file’s default patterns:
1.
Select File > Document Settings > Patterns.
The Edit Pattern dialog box opens. Enter the desired pattern criteria.
 
Select one of the 36 patterns to edit from the Pattern list, and then click in the left pattern box to add/delete pixels; the edits change the overall pattern in the right box
2.
Click OK to set the default list of available patterns.

Getting Started : Setting Default Object Attributes : Setting Default Patterns

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