After finishing the 1/24th Mercury Capsule, I decided to jump into the 1/48th Gemini/Titan rocket. Right away, I'm running into a problem. How do I get the rocket body tubes rolled smoothly? No creases, kinks or dings, and also have the edges mate smoothly? Right now, I have the first part over-rolled in a cardboard tube from a large roll of paper, but the very edges don't seem to want to curve properly. Any hints? Thanks!