EnergonRelics/src/main/resources/assets/energonrelics-poeticrainbow/models/block/reactor_controller_on.json

{
    "parent": "minecraft:block/orientable",
    "textures": {
        "top": "energonrelics:block/thermal_casing",
        "front": "energonrelics:block/reactor_controller",
        "side": "energonrelics:block/thermal_casing"
    }
}