How to decode stereogram by GIMP

Some time ago I wrote article How to decode stereogram by Photoshop.

I made a small experiment and it’s possible to achieve similar results by GIMP.

Here is stereogram (Magic Eye Picture) created by Easy stereogram builder.

stereogram-sample

Open file in GIMP. Duplicate the layer.

gimp-duplicate-layers

Change layer mode to Difference.

gimp-difference

Select Move tool from GIMP toolbox (M).

gimp-move-tool

Start moving the layer to the right. You can use arrows to move the layer. If you prefer mouse then click, press and hold CTRL key to avoid shifting in both X and Y axes.

Here is the result:

gimp-stereogram-solution