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Step 13: Bookholder: Introduction and Design Issues

Congratulations on making the base for your book scanner.

One of the nastier problems in scanning books is that the "center" of the book shifts as you flip through the pages. I have a couple pictures with a very thick book that demonstrate this problem. Essentially, with books that have any thickness, the center "V" shape of the book moves left to right as you flip pages. However, the platen of our book scanner does not move. That means that we need whatever is holding the book to slide freely, to center it below the platen.

This is the main reason why the base of the book scanner must have a smooth surface, like melamine, plastic, or counter top. Things have to slide.
<p>Thats helpful</p>
Wow that is one long 'Ible!
<p>Fantastic! This project will cause information revolution. </p>
<p>Awsome it gave me some idea. Thank you for your work here:)</p>
<p>Excellent<br></p>
<p>Magnificent</p>
<p>Very nice liked. I hope you the further development.</p>
<p>This is an amazing idea.</p>
<p>wonderful</p>
<p>really clever.</p>
<p>Excellent, i wish i'd have had this when i was at uni</p>
<p>wow a ground breaking design for a simple job. </p>
<p>Intelligent and articulate. Nice work!</p>
<p>Thank you for this nice Instructable. I like it</p><p>Rima</p>
<p>Very cool, i'm sure a few library's should take notice of this and have you build one for them.</p>
<p>Terrific...!!</p>
<p>Extremely good...!!</p>
<p>Thats useful</p>
<p>Awesome...!!</p>
<p>Thats excellent</p>
<p>This is so great!</p>
<p>Its amazing</p>
<p><br>Its cooler :)<br></p>
<p><br>Thats useful<br></p>

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Bio: Hacker, Artist, Researcher, and founder of the diybookscanner.org community.
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