def plastic(diffuse, specular, nonlinear, intior,extior):
    """[Plastic material dict]

    Args:
        diffuse ([list]): [rgb values]
        specular ([list]): [rgb values]
        nonlinear ([bool]): [description]
        intior ([float]): [description]
        extior ([list]): [description]
        
    Returns:
        [dict]: [material dict]
    """
    return {
            "type" : "roughplastic",
            "diffuse_reflectance" : {
                "type" : "rgb",
                "value" : diffuse,
            },
            'nonlinear':False,
            'int_ior':intior,
            'ext_ior':extior,
            'specular_reflectance':{
                "type" : "rgb",
                "value" : specular,
            }
    }