Julien Gachadoat - Umwelt #18

Umwelt #18

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Julien Gachadoat’s “Umwelt” relies on the combination of a subdivision algorithm and a curved-line-drawing algorithm to produce a set of minimalist compositions. Each image in the series is the result of partitioning a square into a series of smaller areas and then filling those areas with a dense group of curved lines. The spacing of these lines, their orientation, and their precise curvature are defined by harmonic functions that create rhythms within a spatial geometric melody.

“Umwelt” is a software NFT, but the first collector of each edition will receive the corresponding plotter drawing shipped directly from the artist’s studio. Each software NFT includes millions of other images beyond the primary image for each edition. The software NFT and the plotter drawing aren’t linked together; the NFT can continue to be collected on a secondary market without the drawing. Click on the artwork or press the spacebar to generate a new image with a different random seed value.

The image you see on the main artwork page on Feral File is the plotter drawing for the artist-proof (AP). Compare this image of the drawing to the corresponding software version of the AP to see how the software image and the plotted drawing are related. Because the artists are using a range of papers and inks, the software and physical drawings are delightfully different.

The “Umwelt” drawings are 42 × 29.7 cm (16.5 × 11.7 inches) on Fedrigoni Sirio White 700 gsm or Fedrigoni Sirio Ultra Black 680 gsm paper. They are drawn with Rotring Isograph Black 0.2 to 0.6 mm or Uni-Ball Signo White pens.


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Edition Type


Date of Mint

November 30, 2021

Date of Acquisition

June 4, 2024