This simplifies the process and avoids some issues with locating motion paths that are close together. In the spirit of “divide and conquer,” I will do the animation in “layers” and in stages. This provides “snap” action to help align the edges and centers of objects. In the model above,the smallest dimension is 0.1 inches so I set the grid to 0.05 inches. Powerpointy Tip: To help size and align objects, enable Snap to Grid and set the grid spacing to a useful number. The pages still meet in the middle and the page edge exposure is larger. In the final position, the covers and spine lay flat. As you can see, the page edge exposure increases in width during the animation. I kept the top page (top edge of the red parallelogram) anchored to the middle of the book and the bottom page at the original position. I hope the movement of the stacks of pages is clear from the model. The spine is rotated half way and the back group of pages is visible. Only the edges of the front group of pages are visible. The intermediate stage shows the front cover in a vertical position so that only its edge is visible from above. I have set vertical Drawing Guides (barely visible in this screen shot) at critical positions so that they can be used later to position and size elements of the animation and to determine the end points of motion paths. The crosshatched elements are “rulers” used the help size the elements of the animation. In the initial position, only the front cover of the book (blue) is visible from above, but in later stages the spine (green), pages (red), and back cover are visible. This model presents three stages in the animation, vertically aligned and viewed from the bottom edge of the book. To create a more convincing effect, I developed this model: It looks like a pamphlet since the thickness of the book is not apparent. This first try at a book animation is pretty flat looking. There is no checking for duplicate names so be careful.
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