The most challenging thing about trying to replicate/imitate his technique is to be able to fit two pictures of two different perspectives into one image. I was able to shift and warp the pictures around in order to get them to fit in a believable manner, but it is absolutely astonishing to me that Uelsmann was able to do so with only an enlarger. I assume that he might have had the perspective of the shot in his head, or he might have taken pictures of objects and scenes at multiple angles.