I have not read the GW monthly catalog otherwise known as "White Dwarf" in years, but they used to have a series called "Painting with the Average Joe" by some Joe Scagalottacrotchrash or something like that. It was geared towards anyone BUT the "Average Joe." He'd have these insanely difficult painting tips. "When painting an Eldar ruby, borrow a commerical 747 and crew. Have the pilot go into a steep dive from 35,000 feet. The zero-g effect will create a nice-even balance to the paint. You will only get 30-seconds of painting time, so you will need to have the pilot re-climb and dive some 43-times as you will want to use no less than 43 shapes of red-to-orange on your ruby. Now to paint the helmut you will need to simply borrow a military-grade centrifuge so that you can work at 4-G..."