You fellow tinkerers know how it is! Saw an old aluminum level body in a dumpster and a light came on in my head, that is a "string jig"!!!Made a good one too! Little trick to look at your "Center line" or "Central Plane" without more than your eye. Make yourself a couple of studs out of old too...

Just a few tidbits of what these ol' eyes have seen so far, on this ENLDESS Season... ENJOY! Sackett ...we'll try the link, I can't seem to get the "TUBE" option to work: