I built a simple version which included the base, a light, and a camera. It worked well and I used it to scan my college text books in order to not carry them around. One of the best parts was running a ocr on the text books and being able to search them quickly while I was doing homework.
I, for one, hope my neighbors never stop using their gas powered lawn mowers. It just brightens my day every time I get to hear the sweet music such machines make