In autocad map 2011 x64 and autocad map 2013 x64: Steps to reproduce Create a custom paper (900 x 1200 mm) for DWG to PDF Plotter (in model or layout tab) Draw (in model view) a rectangle. Hatch the rectangle with 2 colors gradient. Plot with great scale (big rectangle). The resulting PDF haven't the hatch. If the hatch isn't a gradient hatch, the PDF looks the hatch ok. And if there are many hatchs the pdf don't show the big gradient hatch. Sorry my bad english Thanks