Open an existing PAT file or create a new file in a text editor that saves in ASCII format (for example, Notepad on Windows® or TextEdit on Mac OS®).
Note: If you are creating a new PAT file, the PAT file and pattern must have the same name.
Create a header line that begins with an asterisk and includes a pattern name that is no more than 31 characters in length.
Optionally, include a description for the hatch pattern by adding a comma and descriptive text after the pattern name.
*ANGLE, Angle steel
delta-xof any value if you want to offset alternating lines in the line family
delta-yof any value
0, 0,0, 0,.275, .2,-.075
Create a second line including all the parameters in the previous step.
90, 0,0, 0,.275, .2,-.075
Optionally, create additional lines to complete the multiple-line hatch pattern.
Add a blank line after the last descriptor line.
Note: If the blank line is missing, the hatch pattern won’t be recognized by the program.