There are one or two layer aligners around. Ofnuts has a plugin ofn-layer-aligner.py from http://sourceforge.net/projects/gimp-too...s/scripts/ look for ofn-layer-aligner.zip dated 2016-07-12
Works like this (including a little mistake, make sure you are on the correct layer )
50 seconds demo https://imgur.com/qdqhAJB.mp4
Works like this (including a little mistake, make sure you are on the correct layer )
50 seconds demo https://imgur.com/qdqhAJB.mp4