A while back, I showed a way to remove self-adhesive sandpaper from an aluminum sanding block , like the Great Planes Easy-Touch Hand San...

Edit: If you look at the comment section below, you'll see a few rocketeers have corrected my big dumb mistake here. Turns out, I was ...

So, you've got a rocket that's to be painted multiple colors. You start with the light colors (the undercoat ), then move onto the d...