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Really excellent look,I think the any time you add several steps and different 'toolingins' (several grits and the rasp) your only going to get a more finished and realistic looking product. Which if the is views close up or handled is always worth the effort.FYI slight bends or slight variations in thickness can be achieved with a blowtorch heating the pipe in a well ventilated area. The black can simply be sanded off or even done all over and sanded off in areas to add to the realism of the coloring. Well done! ?