diff --git a/src/bonsai/bonsai/bim/module/model/polyline.py b/src/bonsai/bonsai/bim/module/model/polyline.py
index 8d0429dd00..2431eb57e5 100644
--- a/src/bonsai/bonsai/bim/module/model/polyline.py
+++ b/src/bonsai/bonsai/bim/module/model/polyline.py
@@ -899,7 +899,8 @@ class PolylineOperator:
             if self.mousemove_count == 2:
                 self.objs_2d_bbox = []
                 for obj in self.visible_objs:
-                    self.objs_2d_bbox.append(tool.Raycast.get_on_screen_2d_bounding_boxes(context, obj))
+                    if bbox_2d := tool.Raycast.get_on_screen_2d_bounding_boxes(context, obj):
+                        self.objs_2d_bbox.append(bbox_2d)
 
             if self.mousemove_count > 3:
                 detected_snaps = tool.Snap.detect_snapping_points(context, event, self.objs_2d_bbox, self.tool_state)
@@ -988,7 +989,8 @@ class PolylineOperator:
         self.tool_state.mode = "Mouse"
         self.visible_objs = tool.Raycast.get_visible_objects(context)
         for obj in self.visible_objs:
-            self.objs_2d_bbox.append(tool.Raycast.get_on_screen_2d_bounding_boxes(context, obj))
+            if bbox_2d := tool.Raycast.get_on_screen_2d_bounding_boxes(context, obj):
+                self.objs_2d_bbox.append(bbox_2d)
         detected_snaps = tool.Snap.detect_snapping_points(context, event, self.objs_2d_bbox, self.tool_state)
         self.snapping_points = tool.Snap.select_snapping_points(context, event, self.tool_state, detected_snaps)
         tool.Polyline.calculate_distance_and_angle(context, self.input_ui, self.tool_state)
diff --git a/src/bonsai/bonsai/tool/raycast.py b/src/bonsai/bonsai/tool/raycast.py
index 47997562b3..71f35cd559 100644
--- a/src/bonsai/bonsai/tool/raycast.py
+++ b/src/bonsai/bonsai/tool/raycast.py
@@ -75,18 +75,24 @@ class Raycast(bonsai.core.tool.Raycast):
                 transposed_bbox.append(coord_2d)
 
         region = context.region
-        borders = (region.width, region.height)
+        borders = (0, region.width, 0, region.height)
         for i, axis in enumerate(zip(*transposed_bbox)):
             min_point = min(axis)
             max_point = max(axis)
-            if min_point == max_point:
-                min_point = 0
-            if min_point < borders[i] and max_point > 0:
-                bbox_2d.extend([min_point, max_point])
-            else:
-                return (obj, None)
+            bbox_2d.extend([min_point, max_point])
+
+        if len(bbox_2d) == 0:
+            return None
+        # AABB
+        if (
+            bbox_2d[0] <= borders[1]
+            and bbox_2d[1] >= borders[0]
+            and bbox_2d[2] <= borders[3]
+            and bbox_2d[3] >= borders[2]
+        ):
+            return (obj, bbox_2d)
+        return None
 
-        return (obj, bbox_2d)
 
     @classmethod
     def intersect_mouse_2d_bounding_box(cls, mouse_pos: tuple[int, int], bbox: list[float, float, float, float]):