diff --git a/tools/adaptive-isogrid/src/nx/import_profile.py b/tools/adaptive-isogrid/src/nx/import_profile.py
index 0ce8f657..9f392ee8 100644
--- a/tools/adaptive-isogrid/src/nx/import_profile.py
+++ b/tools/adaptive-isogrid/src/nx/import_profile.py
@@ -201,33 +201,47 @@ def _find_or_create_sketch(
 
         lister.WriteLine(f"[import] WARNING: Could not set {label} ({attr})")
 
-    # Commit to create the sketch
-    sketch_feature = sketch_builder.CommitFeature()
+    # Commit — Builder.Commit() returns NXObject
+    sketch_obj = sketch_builder.Commit()
+    lister.WriteLine(f"[import] Commit returned: {sketch_obj} (type={type(sketch_obj).__name__})")
+
+    # Also get committed objects for inspection
+    committed = sketch_builder.GetCommittedObjects()
+    lister.WriteLine(f"[import] Committed objects: {len(committed)}")
+    for i, obj in enumerate(committed):
+        lister.WriteLine(f"[import]   [{i}] {type(obj).__name__}: {obj}")
+
     sketch_builder.Destroy()
 
-    # Get the sketch object from the feature
+    # Find the Sketch object from committed objects or return value
     sketch = None
-    try:
-        entities = sketch_feature.GetEntities()
-        for e in entities:
-            if isinstance(e, NXOpen.Sketch):
-                sketch = e
+    if isinstance(sketch_obj, NXOpen.Sketch):
+        sketch = sketch_obj
+    else:
+        # Search committed objects
+        for obj in committed:
+            if isinstance(obj, NXOpen.Sketch):
+                sketch = obj
                 break
-        if sketch is None and entities:
-            sketch = entities[0]
-    except Exception:
-        # Try alternate: find sketch by feature
-        try:
-            sketch = sketch_feature.Sketch
-        except Exception:
-            pass
+        # Try GetObject
+        if sketch is None:
+            try:
+                sketch = sketch_builder.GetObject()
+            except Exception:
+                pass
+
+    # Last resort: find by name in part sketches
+    if sketch is None:
+        for s in part.Sketches:
+            sketch = s  # take the last one (just created)
+        lister.WriteLine(f"[import] Found sketch by iteration: {sketch}")
 
     if sketch is None:
-        raise RuntimeError("Could not get Sketch object from feature")
+        raise RuntimeError("Could not get Sketch object after commit")
 
-    # Rename the feature
+    # Rename
     try:
-        sketch_feature.Name = sketch_name
+        sketch.Name = sketch_name
     except Exception:
         pass
 
@@ -270,24 +284,32 @@ def _draw_polyline_in_sketch(
             start_pt = NXOpen.Point3d(p1[0], p1[1], p1[2])
             end_pt = NXOpen.Point3d(p2[0], p2[1], p2[2])
 
+            # SketchCollection.CreateLineBuilder() -> SketchLineBuilder
+            # SketchLineBuilder.SetStartPoint(Point3d), .SetEndPoint(Point3d)
+            # Builder.Commit() -> NXObject, Builder.Destroy()
             line_builder = part.Sketches.CreateLineBuilder()
             line_builder.SetStartPoint(start_pt)
             line_builder.SetEndPoint(end_pt)
-            line = line_builder.Commit()
+            line_builder.Commit()
             line_builder.Destroy()
 
             lines_created += 1
-        except Exception:
-            # Fallback: try creating a curve and adding to sketch
-            try:
-                start_obj = part.Points.CreatePoint(NXOpen.Point3d(p1[0], p1[1], p1[2]))
-                end_obj = part.Points.CreatePoint(NXOpen.Point3d(p2[0], p2[1], p2[2]))
-                line = part.Curves.CreateLine(start_obj, end_obj)
-                sketch.AddGeometry(line, NXOpen.Sketch.InferConstraintsOption.DoNotInferConstraints)
-                lines_created += 1
-            except Exception as exc2:
-                if lines_created == 0:
-                    lister.WriteLine(f"[import] Line creation failed: {exc2}")
+        except Exception as exc:
+            if lines_created == 0:
+                lister.WriteLine(f"[import] Line creation failed: {exc}")
+                # Try fallback: create curve + add to sketch
+                try:
+                    start_obj = part.Points.CreatePoint(NXOpen.Point3d(p1[0], p1[1], p1[2]))
+                    end_obj = part.Points.CreatePoint(NXOpen.Point3d(p2[0], p2[1], p2[2]))
+                    line = part.Curves.CreateLine(start_obj, end_obj)
+                    sketch.AddGeometry(
+                        NXOpen.Sketch.InferConstraintsOption.DoNotInferConstraints,
+                        NXOpen.Sketch.AddEllipseOption.None_,
+                        [line],
+                    )
+                    lines_created += 1
+                except Exception as exc2:
+                    lister.WriteLine(f"[import] Fallback line also failed: {exc2}")
 
     return lines_created