I've always loved the lacy designs of leaf skeletons.
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1930s Gyorgy Kepes Sheet: 23.18 x 18.1 cm (9 1/8 x 7 1/8 in.) Photograph, photogram, gelatin silver print with opaque white watercolor Classification: Photographs Museum of Fine Arts, Boston
Black macro leaf of birch tree isolated vector
New idea...wood grain design like this but in a cross shape.
.They're fractals, you know. This is just a photo, but here's a link to a .pdf…
All that is gone by Peter Nijenhuis on Flickr.
elephantyears: Fractal pattern by doug88888 on Pastiche and Serendipity
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