Yes of course jigs mean far greater speed and more precise production. Also there is an angle of downskilling saving on wage costsYep place i be worked at made.1000s of those.for barratt homes. All done off a jig. Great for production runs not so great for a one off. They definitely save timetime.
Well finished my two frames today, for military scanners. Was within 0.2mm over a metre of 25mm box section, all TIG. Will have to get some pictures,