How I do it...
by WED Fan (911325)

I encode all my dangerous stuff with everyday words and string them into mundane sentances disguised as personal communication.

There, everything you need to construct your own death star is in the line above. Oh, and some extra information is hidden in this line about exhaust ports. Damn, I just realized, my encoding for "exhaust ports" renders as "exhaust ports". Well, back to the drawing board.