Quote:
Originally Posted by ozm29c
Alex,
Once you become an 'Artiste'  with MIG welding techniques, Making replacement patches to fill holes is an easy task. Also MIG welding is very forgiving and it is easy to fill holes/gaps that either exceed 1mm or holes that you have made an 'error of judgment' shaping the patch. 
I would not get too flustered about finding more rust behind a section that you have just removed. Here are some photos of my weasel repair to give you an example.
Cheers
John W.
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WOW
here is todays attempts much better

bottom weld = todays
bottom again