Conrail SD60I in HO

I want to model an SD60I but I’ve run into a problem, if you look at this photo (http://crcyc.railfan.net/locos/emd/sd60i/cr5601ccab.jpg) you’ll notice there is a seem on the nose (which is the only external difference between an SD60M and SD60I), how do I cut it? It looks easy but if it were somebody would have made one by now.

Never mind, I found these:

http://crcyc.railfan.net/locos/emd/sd60i/sd60iho.html

http://index.mrmag.com/tm.exe?opt=I&MAG=RMC&MO=5&YR=1999&output=3&sort=A