'Self-portrait' by German Dada artist Hannah Höch (1889-1978). Collage. via on art etc.:

'Self-portrait' by German Dada artist Hannah Höch collage. via on art etc.: Audrey's comment: I think she was influenced by Picasso's African masks here .

I don't know if it is but this reminds me of Hannah Hoch's work. Anyone know?

There a number of techniques which are incorporated into this aspect of Art. There are also various apps and workshops that can be used to create the photomontage including Paint, Photoshop and other Digital imaging websites.

Top Ten Collage Artists: From Hannah Hoch to Man Ray  |  John Stezaker, Muse (Film Portrait Collage) XVIII, 2012

Top 10 Collage Artists: Hannah Höch to Man Ray

Deutsche Börse Photography Prize 2012 at the Photographers' Gallery- John Stezaker: Muse (Film Portrait Collage) XVIII Collage, x cm © Courtesy of the artist and The Approach, London

Hannah Hoch. dada.

Hannah Höch, Siebenmeilenstiefel, ca. 1934 Hannah Höch (November 1889 – May was a German Dada artist.

Cut with the Kitchen Knife through the First Epoch fo thte Weimar Beer-Belly Culture.  collage

Hannah Höch 'Cut with the Dada Kitchen Knife through the Last Weimar Beer-Belly Cultural Epoch in Germany' 1919 collage 114 × 90 cm