I have access to CAD, and photoshop. I have a PDF and WMF version of the file. I have tried most of the freeware available online and had no luck.
How do I change the size of a .WMF file to be 800x600?
Be careful, its something that you will have to do to your
window's registry.
See the tech article here:
http://support.microsoft.com/kb/827745
Good Luck!