$3.49
If you're looking for the physical product, I sell pre-printed versions:
https://www.etsy.com/uk/listing/4471106170/3-in-1-book-tidy-bookshelf-guide
This is a DIGITAL DOWNLOAD. For printing, I suggest:
0.12mm layer thickness
3 shells
3 floors
3 roofs
15% infill
Print text side facing up
Keeps your books and shelves neat and straight. You can choose how deep into the book shelf you want the books to be straightened at. Single hand operation, 25MM/35MM/50MM adjustments all in one bookshelf guide tool.
If you're like me, you have lots of different shelves in your book nook and reading corner. This guide helps you pick how they should all look. It aligns the front of all of your books.
Not sure how you want to set your books up? This 3 in 1 tool allows you to explore different book layouts!
Your files will be available to download once payment is confirmed.