I was thinking that this was how the patterns are being created in AutoCAD but this doesn't happen in previous versions of Revit so it would appear that something has changed in Revit 2008. If I bring the exact same detail into Revit 9.0 or Revit 9.1, the hatch patterns appear correctly. Now, here is the interesting part, this only appears to happen in Revit 2008. When importing AutoCAD details into Revit 2008 with the scale set to: Auto-Detect some of the AutoCAD hatch patterns come in as solid black instead of showing the proper hatch pattern. I was wondering if anyone else has noticed the follow issue with Revit 2008:
