On a slightly different note...
Have any of you guys done your own etched sides? I was looking at the BNSF business cars and they are REALLY plain so fairly easy as a starter project. My question is, etching windows all the way through is fairly obvious, but what about the doors/hatches that are visible on the side. Using the Micro Mark etching kit, if I etch the windows from both sides and the doors only on one side does that work? It would be SO much easier to do like the AMB kits and laser etch clear styrene but...