Art made by hollowing old books

It should be an old analog, but art using a book that has a digital atmosphere somewhere. Normally you can capture what is planar like a stereoscopic like a popping picture book.

Details are as below.
Fun Hight What can be done from old Books

I can see that many books are packed with books.


When it is a book collection, it looks something like this.


Cylinder type that something seems to come out from inside.


Quite colorful.


If you do your best you can read.


It looks like rough wiring.


Figures are full.