diff --git a/ExportDXF/Models/BomItem.cs b/ExportDXF/Models/BomItem.cs
new file mode 100644
index 0000000..3bd2a5b
--- /dev/null
+++ b/ExportDXF/Models/BomItem.cs
@@ -0,0 +1,32 @@
+using System;
+
+namespace ExportDXF.Models
+{
+    public class BomItem
+    {
+        public int ID { get; set; }
+        public string ItemNo { get; set; } = "";
+        public string PartNo { get; set; } = "";
+        public int SortOrder { get; set; }
+        public int? Qty { get; set; }
+        public int? TotalQty { get; set; }
+        public string Description { get; set; } = "";
+        public string PartName { get; set; } = "";
+        public string ConfigurationName { get; set; } = "";
+        public string Material { get; set; } = "";
+        public int DrawingID { get; set; }
+        public int? CutTemplateID { get; set; }
+        public string CutTemplateName { get; set; } = "";
+
+        // Sheet metal properties from CutTemplate
+        public double? Thickness { get; set; }
+        public double? KFactor { get; set; }
+        public double? DefaultBendRadius { get; set; }
+    }
+
+    public struct Size
+    {
+        public double Width { get; set; }
+        public double Height { get; set; }
+    }
+}
diff --git a/ExportDXF/Models/LogEvent.cs b/ExportDXF/Models/LogEvent.cs
new file mode 100644
index 0000000..6945b47
--- /dev/null
+++ b/ExportDXF/Models/LogEvent.cs
@@ -0,0 +1,22 @@
+using System;
+
+namespace ExportDXF.Models
+{
+    public enum LogLevel { Info, Warning, Error }
+
+    public enum LogAction { Start, FindBom, CreateFlat, FlipView, SavePdf, UploadPdf, UploadDxf, CreateBomItem }
+
+    public sealed class LogEvent
+    {
+        public DateTime Time { get; set; } = DateTime.Now;
+        public LogLevel Level { get; set; }
+        public string Equipment { get; set; } = "";
+        public string Drawing { get; set; } = "";
+        public string Part { get; set; } = "";
+        public LogAction Action { get; set; }
+        public string Target { get; set; } = "";
+        public string Result { get; set; } = "OK";
+        public int DurationMs { get; set; }
+        public string Message { get; set; } = "";
+    }
+}
\ No newline at end of file