Scribing is one of those things that can make or break a modeler. You need to search for all the tips and techniques venues to get a handle on scribing. Don't get discouraged. Get an old model or a very cheap one to practice,practice,practice on. Most of all don't lose heart. I suggest a good scribing tool and there are many to choose from. The best one I have found is the UMM tool. You can go to UMM-USA.com to order one. I find it the easiest and most versatel tool to use. Take your time,it is a slow process to do a good job.