Origami Heaven

A paperfolding paradise

The website of writer and paperfolding designer David Mitchell

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Deliciae physico mathematicae Volume 2 by Georg Phillip Harsdorffer, 1651
 
Volume 2 of 'Deliciae physico mathematicae' was a follow up to Daniel Schwenter's 1636 book written by Georg Phillip Harsdorffer, and published in 1651. I cannot read German and so could possibly have missed relevant passages which are not accompanied by illustrations.

A full copy of the work is available at https://books.google.co.uk/books?id=BlU_AAAAcAAJ&pg=PP7#v=onepage&q&f=false

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Pages 117 and 118 give cut and fold nets for the cube, octahedron and dodecahedron.

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Page 57 shows a quartered circle which may be intended to be folded to act as a right angle template. The meaning of the text which accompanies the picture is not clear to me.