![IKEA Billy bookcase tip: if you have an OLD Billy bookcase (pre-2014) you can still add extra shelves even though the new extra shelves from IKEA use a new, disc-shaped shelf pin. IKEA Billy bookcase tip: if you have an OLD Billy bookcase (pre-2014) you can still add extra shelves even though the new extra shelves from IKEA use a new, disc-shaped shelf pin.](https://i.redd.it/tp19ukx1oll61.jpg)
IKEA Billy bookcase tip: if you have an OLD Billy bookcase (pre-2014) you can still add extra shelves even though the new extra shelves from IKEA use a new, disc-shaped shelf pin.
![Ikea Billy Extra 304.019.30 Square Replacement Shelf for 40 x 40 cm Bookshelf, White, 36 x 38 cm, with Clothes Pegs : Amazon.de: Home & Kitchen Ikea Billy Extra 304.019.30 Square Replacement Shelf for 40 x 40 cm Bookshelf, White, 36 x 38 cm, with Clothes Pegs : Amazon.de: Home & Kitchen](https://m.media-amazon.com/images/I/61gHN0pnVcL.jpg)
Ikea Billy Extra 304.019.30 Square Replacement Shelf for 40 x 40 cm Bookshelf, White, 36 x 38 cm, with Clothes Pegs : Amazon.de: Home & Kitchen
![Before and after - experimenting with adding extra shelving on the Billy Bookcase : r/MangaCollectors Before and after - experimenting with adding extra shelving on the Billy Bookcase : r/MangaCollectors](https://preview.redd.it/agosuvh7d8x51.jpg?auto=webp&s=854c9d4b00d19e35c845fce19287388a3d349501)