Make Your Own Tubes

On TRF, HermanJC is making a scratch built Saturn V.
He's even rolling his own body tubes! CLICK HERE
Tube rolling is explained in this Instructables pictorial: CLICK HERE

This could come in handy if you needed a specific size you can't get from vendors.
It's refreshing to see a purist construct this large of a project.
I'll be following this scratch build.