instead of framing a flat illustration you could put up the actually sketchbook... hmmm
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Observational study for an International GCSE Art project - A comprehensive sketchbook page based on the natural forms of shells. In addition to trialling a range of media and drawing techniques, students looked more closely at texture. Charcoal drawings of textured surfaces, as well as an etching of a nautilus shell (with notes about the Golden Section) are included.

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