In the last two weeks I've been preparing this website, about Cross-stich, and I've used Blender to show how some images could be transformed into Cross-stich.
For the images to show the aspect of the Cross-stich, I've used node compositor with 3 images and 3 UV maps.
1. Image and UV map of the base textile, after creating a tileable texture.
2. Image and UV map of a line cross, with transparency where there is no cross.
3. Image and UV map of the drawing, with transparency where there is no image.
With the combination of these 3 images in the node editor, it is possible to create an image like this to show how the final result would be: