Most certainly the lines of a plane need to be accented by the covering. The difference is a plane that looks like it was well thought out vs a plane that looks like one of those hodge pog quilts you grandma used to make using pieces from every kids and grandkids baby blankets. Admitedly some planes do well with a covering job like that but I would think that's not what you want on a showtime. One that I like is to take the original design and change the colors to something totally different. Decide first if you want to use semitric design or asymetric or even a combination of the two as in my example below. When you need to make semetric cuts just get twice as much monocoat as you need and fold it in half. Cut out your peice and you will have a mirror image already made. To make nice consistand curves get a french curve from an art/drafting supply store. Play with it a little on some scratch paper. Also have a fine tip sharpie marker on hand and trace out your design on the monocoat prior to cutting. The marker will come off with rubbing alcohol. Check out Minnflyers videos reguarding applying covering to learn some techniques and then just go for it. Don't forget to post your progress here.