minecraft-assets/assets/minecraft/models/block/template_chiseled_bookshelf.json

{
    "parent": "block/cube",
    "textures": {
      "particle": "#down",
      "down": "#top",
      "up": "#top",
      "north": "#front",
      "east": "#side",
      "south": "#side",
      "west": "#side"
    }
}