diff --git a/src/Add-on/ExportData.tsx b/src/Add-on/ExportData.tsx
index dabc75954..fdb9056e9 100644
--- a/src/Add-on/ExportData.tsx
+++ b/src/Add-on/ExportData.tsx
@@ -11,6 +11,7 @@ import { Vector2ApplyMatrix4 } from "../Common/Matrix4Utils";
 import { copyTextToClipboard } from "../Common/Utils";
 import { CylinderHole } from '../DatabaseServices/3DSolid/CylinderHole';
 import { ExtrudeHole } from '../DatabaseServices/3DSolid/ExtrudeHole';
+import { RevolveSolid } from '../DatabaseServices/3DSolid/RevolveSolid';
 import { SweepSolid } from "../DatabaseServices/3DSolid/SweepSolid";
 import { Board } from "../DatabaseServices/Entity/Board";
 import { Circle } from "../DatabaseServices/Entity/Circle";
@@ -126,6 +127,8 @@ export function Entitys2Data(ents: Entity[]): Data
             d.Entitys.push(ConvertHole2Data(e));
         else if (e instanceof CompositeEntity)
             d.Entitys.push(...CompositeEntity2Data(e));
+        else if (e instanceof RevolveSolid)
+            d.Entitys.push(ConvertRevolve2Data(e));
         else
             continue;
 
@@ -270,6 +273,19 @@ function ConvertHole2Data(h: Hole)
         ed.OBJFileData = GetOBJFileData(h);
     return ed;
 }
+
+function ConvertRevolve2Data(h: RevolveSolid)
+{
+    let ed: any = {};
+    ed.Id = h.Id?.Index ?? 0;
+    ed.OCS = h.OCS.toArray();
+    ed.Type = "Revolve";
+    ed.MaterialId = h.Material?.Index || 0;
+    if (app.WebSocket.mode === "obj")
+        ed.OBJFileData = GetOBJFileData(h);
+    return ed;
+}
+
 function CompositeEntity2Data(comp: CompositeEntity)
 {
     let data = Entitys2Data(comp.Explode()).Entitys;