ActuallyAdditions/src/main/resources/assets/actuallyadditions/models/block/block_furnace_solar.json

{
    "__createdBy": "canitzp",
    "ambientocclusion": false,
    "textures": {
        "particle": "blocks/iron_block",
        "furnaceSolar": "actuallyadditions:blocks/models/model_furnace_solar"
    },
    "elements": [
        {
            "from": [0,0,0],
            "to": [16,6,16],
            "faces": {
                "up": {
                    "uv": [4,0,8,4],
                    "texture": "#furnaceSolar"
                },
                "down": {
                    "uv": [8,0,12,4],
                    "texture": "#furnaceSolar"
                },
                "west": {
                    "uv": [4,4,8,4.75],
                    "texture": "#furnaceSolar"
                },
                "east": {
                    "uv": [0,4,4,4.75],
                    "texture": "#furnaceSolar"
                },
                "north": {
                    "uv": [0,4,4,4.75],
                    "texture": "#furnaceSolar"
                },
                "south": {
                    "uv": [0,4,4,4.75],
                    "texture": "#furnaceSolar"
                }
            }
        }
    ]
}