HI phaux I'm a pipe welder but not pipeline welder I found some info that it help you to "see" how it looks like on page 26. for any reason it can,t be uploading but you can go the welder store look for a small green book "pipe layout helps from C. L. Hart" its a 5.00 dlls book it help you, look at pgs 26 to 30. hope it helps.