Arie Aroch, A page from the text book for artists, Illustration XXX, by Christian Ludolph Reinhold, 1784

A page from the text book for artists, Illustration XXX, by Christian Ludolph Reinhold, 1784

A page from the text book for artists, Illustration XXX, by Christian Ludolph Reinhold, 1784

A page from the text book for artists, Illustration XXX, by Christian Ludolph Reinhold, 1784

Two Cubes

Sketch for Poster with Two Cubes