The Public Paperfolding History ProjectMain Index Page Last updated 10/1/2024 x Prang's Complete Course in Form Study and Drawing Books I and II by John S Clark, Mary Dana Hicks and Walter S Perry, 1890 'Part 1 for Prang's Complete Course in Form Study and Drawing Books I and II' by John S Clark, Mary Dana Hicks and Walter S Perry was published by the The Prang Educational Company in Boston, New York and Chicago in 1890 (but see note below). A full copy of the work can be accessed online here. This work is the first in a series of 5 manuals accompanied by 10 drawing-books. This manual covers drawing-books 1 and 2. I have not seen a copy of these drawing books. A full copy of the work can be accessed online here. It is worth noting that although the copyright date of this copy is 1890 the date on the Author's Preface is 1893. This either means that despite the copyright date the work was not issued until 1893 or that this is not the original edition of the work. I do not know which of these is the case. ********** ********** ********** ********** ********** Analysis Paperfolding is used: 1. As a way of weakening the paper so that part of it can be detached: See sections on Bisection and Trisection below ********** 2. To teach some basic mathematical concepts: Demonstrating that there are three kinds of corners - square, sharp and blunt ********** Demonstrating the axis of symmetry ********** Bisection ********** Division into Thirds ********** Demonstrating diameters and diagonals This section contains explanations of two Simple Folds of Life - the Handkerchief Case and the Envelope. ********** Constructing quadrilaterals ********** 3. To create a template for a cube: ********** 4. To create models for drawing exercises from irregular templates printed in the 'drawing-books': Constructing a cube from a template ********** Constructing an envelope from a template (This section contains a brief history of Envelopes) ********** 9. Constructing templates for a square prism ********** Fold and Cut, Tab and Pocket Designs - The Mailing Envelope **********