In a sphere, the geometric surfaces curve in to itself creating the solid outside surface. A pseudo-sphere is a sphere’s opposite, the surfaces curve outwards and increase exponentially. This can be replicated with hyperbolic crochet, as shown here.

This PDF pattern file contains 4 pages of instructions with pictures, and a photo-tutorial for extra help if needed.

Snow White, Beware!! -- This apple looks good enough to eat!

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