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Last updated 6/2/2026

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'Triangular Origami: Rabbit Book' by Keinichi and Hideko Fukuda was published by Jomo Kagaku Kogyosho in Japan in 1969.

The 'triangles' of the title are in fact flattened skew triangular cones ratrher than simple paper triangles per se. A number of pre-folded and glued cones, of four different sizes, are supplied with the work (see photo below). Some of the designs use cuts and/or combine multiple cones.:

My grateful thanks to the British Origami Society for letting me see a copy of this work.

Only a few specimen pages from the work are shown on this page.

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Specimen Pages

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