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Continue to ChatSilhouettes, pantographs, and physiognotraces https://graphicarts.princeton.edu/2015/01/02/silhouettes-pantographs-and-physiognotraces/
Silhouettes, pantographs, and physiognotraces https://graphicarts.princeton.edu/2015/01/02/silhouettes-pantographs-and-physiognotraces/