Galerie II : the GIMP effects in 3D
The source images. You apply some GIMP filters to them.
The threshold effect.
The cartoon effect, with a large value of the mask radius.
The photocopy effect.
The photocopy effect again, with a larger mask radius value.
The softglow effect.
Playing with threshold, followed by a 2px blur..
The oilify effect.
Other examples, playing with black and white
Threshold again.
Simplification of the details.
The photocopy effect again.
Same followed by a contrast/luminosity change on a selected part of the picture.
Plus some colour..