[ Thanks to Michael for this link.
]
“David Hockney is known for his unusual panoramas that
are made up of differently scaled and angled photos. To produce the
‘Hockney’ effect it is best done with multiple photographs that can
be arranged later, but you can have a single photograph that you’d
like to make into a multiple imaged panorama – with the use of
GIMP!“1. Creating and/or Downloading
* To make the individual images we need a rectangular brush
(.gbr).
* Either you can download my version 600 x 400 pixels (3:2), or
make your brush with your preferred aspect ratio.
* Open a New Document with 600 x 400 pixels, 72 resolution and
Foreground Colour (Black):
* Make the square black if not already, then File –> Save As,
save as a .gbr with 25 spacing:”