hoosiertransfer-mod-saigevers/desktopRuntime/resources/assets/minecraft/models/block/upper_slab_sandstone.json

{
    "parent": "block/upper_slab",
    "textures": {
        "bottom": "blocks/sandstone_bottom",
        "top": "blocks/sandstone_top",
        "side": "blocks/sandstone_normal"
    }
}