BetterEnd/src/main/resources/assets/betterend/models/block/pythadendron_stairs.json

{
    "parent": "block/stairs", 
    "textures": {
        "bottom": "betterend:block/pythadendron_planks", 
        "side": "betterend:block/pythadendron_planks", 
        "top": "betterend:block/pythadendron_planks"
    }
}