Never mind. Figured it out... wasn't anything special.
-draw 1/4 x 7" rectangle
-revolve
-extrude a small slice down the length
-sheet metal styles set to 1/4"
-flat pattern. works fine.
Mod's feel free to delete.
Ok... this sounds like it would be easy, but I sure can't figure it out.
I need to make a tube in sheet metal. Only reason for this is to generate a proper flat-pattern for our toolshop.
I've gone as far as drawing a 3D sketch of the tube (without thickness), and trying to 'face' it, but...