MasterGraphics Weblog
Raster Design Object Enabler Ready for Download
AutoCAD Raster Design 2009 Object Enabler You’ll need this in order to import MrSID format files. This is especially important for users of Civil 3D 2009 or Map 2009.
Make sure you download the version appropriate for your Autodesk program. Civil 3D and Map are both technically still 32-bit applications, so you’d need the 32-bit version in this case. (The download site implies it is the OS that determines the download - but I tried on my 64-bit Vista and the 64-bit install did not work.)
Before Installing Raster Design 2009 Object Enabler:
After Installing Raster Design 2009 Object Enabler:
That’s all for now!

