Mirror, Mirror on the Tripod, Who’s the Fairest of them All?


This week, I’ll show my mirror assembly to reverse the image “in hardware” for the lightboard.

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Building a Book Scanner (Part I: Lectern)


I’ve been thinking of making my own book scanner for a while now. Since only thinking about something doesn’t get you anywhere, I’ve actually started building it.


But before we get to the building of the device—still in progress—let me explain by design goals. The first and foremost goal is that the scanner has to be book-friendly. If you’re going to destroy the book, you might as well use a bandsaw and cut its back off, and use a paper-feed scanner of some sort. So to avoid damage, the lectern on which the book will rest has to be soft, and avoid the need to split the book open.

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