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The Slit and Assemble Cube and the Slit and Assemble Sphere
This page attempts to record what is known about the origin and history of the designs I call the Slit and Assemble Cube and the Slit and Assemble Sphere, both of which are made in three pieces arranged along the x,y and z axes of the design.

There is another very similar design, the Puff Ball, which is made in four pieces, which do not correspond to the x, y and z axes, which has a page of its own.

Please contact me if you know any of this information is incorrect or if you have any other information that should be added. Thank you.

At first sight these designs might not appear to be paperfolding designs. However, they cannot be assembled without folding the pieces from which they are assembled and thus, to this extent, qualify as paperfolding designs.



As far as I know the first appearance of the Slit and Assemble Sphere is in 'Des Kindes Erste Beschaftigungsbuch' by E Barth and W Niederley, which was first published in Bielefeld and Leipzig, and the foreword of which is dated October 1876.



A drawing showing the Slit and Assemble Cube can be found in Eleonore Heerwart's 'Course in Paperfolding', which was first published in Dutch in 1895 then in English by Charles and Dible in London and Glasgow in 1896.



The Slit and Assemble Sphere also appears in 'Pleasant Work for Busy Fingers' by Maggie Browne, which was published by Cassell and Company in London in 1896. This book is an English version of 'Des Kindes Erste Beschaftigungsbuch' enhanced by the addition of a few extra designs.


The Slit and assemble Sphere also appears:


In 'Winter Nights Entertainments' by R M Abraham, which was first published by Constable and Constable in London in 1932, under the title 'A Paper Ball'.



In 'At Home Tonight' by Herbert McKay, which was published by Oxford University Press in London, New York and Toronto in 1940, again under the title of the Puff Ball.



In the 1953 Rupert Annual under the title of 'Paper Ball'.