The file 'Bookshelf With Changeable Insert Parts :Promo 3D Printer Model' is (stl) file type, size is 30.5MB.
Demo of bookcase system released on Patreon/Tribes this month. So far there are 40+ inserts.
go here
https://www.myminifactory.com/users/GameScape3D
or here for more
https://www.patreon.com/posts/68516705
Basic_Case.stl | 23.8MB | |
Basic_Case_Top.stl | 7.2MB | |
BookRow2.stl | 5.4MB | |
BooKShelf4.stl | 5.3MB | |
BooKShelf8.stl | 5.9MB |