A simple experiment with crosses and sine waves. Fountain Pens with Pink and Turquoise ink on Bristol A4.
also tried with brush pens to try what happens with a 45° slope & unpredactibility:
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A simple experiment with crosses and sine waves. Fountain Pens with Pink and Turquoise ink on Bristol A4.
also tried with brush pens to try what happens with a 45° slope & unpredactibility: