https://www.youtube.com/watch?v=0PodyJVMFxg ^-shape scanner with rasbery pi5 and 2 camera module v3
https://www.youtube.com/watch?v=vYIL-p9ET4k V-shape with 2 cannon a3300 and electric trigger and analog liveview
https://www.youtube.com/watch?v=mR2TQOHEDYc flat-scanner for camera or smartphone
https://www.youtube.com/watch?v=XCBiFAXXq80 rename pages
https://www.youtube.com/watch?v=l_wxUJFEZLI abbyfinereader scantailor djvusmall
https://www.youtube.com/watch?v=Rkf49KPIPf0 djvu boomarks and ocr
https://www.youtube.com/watch?v=dtM5ljDN9so koreader djvu comparison kindle paperwhite3 with pocketbook inkpad840
here are somedesigns that i made in autodesk inventor pro 2015 u dont need to login in drobox to download them https://www.dropbox.com/s/3j7qmeuyrg5tb76/diybookscanner.rar?dl=0 if u wanna build something and use your smartphone check third video . if your smartphone support manual focus in open camera then is enough