The sketches are drawn in pen and marker. I wanted to stay loose, leaving the ideas occur at each iteration, such as multiple takes of a musician in a recording studio. In the story, the hero is a machine that can dig in modern Los Angeles in search of Pellucidar.
Blaylock is widely regarded as one of the initiators of the steampunk movement. I loved the way he introduced fantastic elements in the banal reality of the modern world.
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See a color sketch that used to cover the previous post, "Digging Machine"