namespace OpenNest.Data; public class MaterialConfig { public string Name { get; set; } = ""; public string Grade { get; set; } = ""; public double Density { get; set; } public List Thicknesses { get; set; } = new(); /// Fields a newer OpenNest wrote, kept so saving here does not drop them. [System.Text.Json.Serialization.JsonExtensionData] public Dictionary? Unknown { get; set; } }