diff --git a/modules/workbenches/modeler/features/extrude/extrude.operation.ts b/modules/workbenches/modeler/features/extrude/extrude.operation.ts
index 0b5cecff..2c595cf3 100644
--- a/modules/workbenches/modeler/features/extrude/extrude.operation.ts
+++ b/modules/workbenches/modeler/features/extrude/extrude.operation.ts
@@ -28,10 +28,19 @@ export const ExtrudeOperation: OperationDescriptor<ExtrudeParams> = {
 
     const face = params.face;
 
-    let sketch = ctx.sketchStorageService.readSketch(face.id);
-    if (!sketch) throw 'sketch not found for the face ' + face.id;
+ 
+    let occFaces = [];
+
+    let sketch = ctx.sketchStorageService.readSketch(face.id);
+    if (!sketch) {
+      occFaces.push(params.face);
+    } else {
+      occFaces = occ.utils.sketchToFaces(sketch, face.csys);
+    }
+
+
+
 
-    const occFaces = occ.utils.sketchToFaces(sketch, face.csys);
 
     const dir: UnitVector = params.direction || face.normal();
 
diff --git a/modules/workbenches/modeler/features/revolve/revolve.operation.ts b/modules/workbenches/modeler/features/revolve/revolve.operation.ts
index 6a24d94f..b6171368 100644
--- a/modules/workbenches/modeler/features/revolve/revolve.operation.ts
+++ b/modules/workbenches/modeler/features/revolve/revolve.operation.ts
@@ -26,9 +26,15 @@ export const RevolveOperation: OperationDescriptor<RevolveParams> = {
 
     const face = params.face;
 
+    let occFaces = [];
+
     let sketch = ctx.sketchStorageService.readSketch(face.id);
-    if (!sketch) throw 'sketch not found for the face ' + face.id;
-    const occFaces = occ.utils.sketchToFaces(sketch, face.csys);
+    if (!sketch) {
+      occFaces.push(params.face);
+    }else{
+      occFaces = occ.utils.sketchToFaces(sketch, face.csys);
+    }
+    
 
 
     const tools = occFaces.map((faceName, i) => {