A little more done today.
First the angle grinder was out again today. Cut the door skin as per the instructions from Tribute.
At the top of the 'hole' there is a bar that also needs cutting out.
20180204_172604 by
couerdelion2013, on Flickr
Then tidied it up a little with hammerite to stop corrosion. Will attach a metal plate soon so it's ready for the door handle.
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20180204_172940 by
couerdelion2013, on Flickr