To get the full list of 2D and 3D practice drawings download the PDF eBook which contains more thandrawings fully illustrated with dimensions. Hello, i'm using autocad When i print to pdf and the green lines in the pdf are brighter (not so dark). Simply choose the DWG or DXF CAD files you wish to convert and upload them to our AutoCAD to PDF converter. Our online Raster PDF is an image made of hundreds (or thousands or millions) of tiny squares of color information, referred to as either pixels