First choose whether to create a Drafting or Model Hatch. From the drop down menu, select Fill patterns. To import into Revit, select the Manage tab and choose Additional Settings. Once edited the *’pat file is saved in the same place as the revit.pat file. *HBFLEMET,Brickworkflemishbond Free patterns from %TYPE=MODEL These are Drafting or Model and *.pat file must have lines of code to accept these options, also the units of the hatch must be stated so that scaling problems do not occur. There are two options when importing a pattern file into Revit. However, a few extra lines of code need to be added before it is imported into Revit. Revit accepts the same format Hatch pattern as AutoCAD, which is the *.pat file extension which is editable using notepad.