diff --git a/flow/layers/clip_rrect_layer.cc b/flow/layers/clip_rrect_layer.cc
index b4b968bb396..72092110cf7 100644
--- a/flow/layers/clip_rrect_layer.cc
+++ b/flow/layers/clip_rrect_layer.cc
@@ -32,7 +32,7 @@ void ClipRRectLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
 void ClipRRectLayer::UpdateScene(SceneUpdateContext& context) {
   FML_DCHECK(needs_system_composite());
 
-  // TODO(MZ-137): Need to be able to express the radii as vectors.
+  // TODO(SCN-137): Need to be able to express the radii as vectors.
   scenic::RoundedRectangle shape(
       context.session(),                                   // session
       clip_rrect_.width(),                                 //  width
diff --git a/flow/scene_update_context.cc b/flow/scene_update_context.cc
index bebe2ef67fb..c02332d83fb 100644
--- a/flow/scene_update_context.cc
+++ b/flow/scene_update_context.cc
@@ -40,6 +40,45 @@ void SceneUpdateContext::RemoveExportNode(ExportNode* export_node) {
   export_nodes_.erase(export_node);
 }
 
+// Helper function to generate clip planes for a scenic::EntityNode.
+static void SetEntityNodeClipPlanes(scenic::EntityNode* entity_node,
+                                    const SkRect& bounds) {
+  const float top = bounds.top();
+  const float bottom = bounds.bottom();
+  const float left = bounds.left();
+  const float right = bounds.right();
+
+  // We will generate 4 oriented planes, one for each edge of the bounding rect.
+  std::vector<fuchsia::ui::gfx::Plane3> clip_planes;
+  clip_planes.resize(4);
+
+  // Top plane.
+  clip_planes[0].dist = top;
+  clip_planes[0].dir.x = 0.f;
+  clip_planes[0].dir.y = 1.f;
+  clip_planes[0].dir.z = 0.f;
+
+  // Bottom plane.
+  clip_planes[1].dist = -bottom;
+  clip_planes[1].dir.x = 0.f;
+  clip_planes[1].dir.y = -1.f;
+  clip_planes[1].dir.z = 0.f;
+
+  // Left plane.
+  clip_planes[2].dist = left;
+  clip_planes[2].dir.x = 1.f;
+  clip_planes[2].dir.y = 0.f;
+  clip_planes[2].dir.z = 0.f;
+
+  // Right plane.
+  clip_planes[3].dist = -right;
+  clip_planes[3].dir.x = -1.f;
+  clip_planes[3].dir.y = 0.f;
+  clip_planes[3].dir.z = 0.f;
+
+  entity_node->SetClipPlanes(std::move(clip_planes));
+}
+
 void SceneUpdateContext::CreateFrame(
     std::unique_ptr<scenic::EntityNode> entity_node,
     const SkRRect& rrect,
@@ -48,6 +87,8 @@ void SceneUpdateContext::CreateFrame(
     std::vector<Layer*> paint_layers,
     Layer* layer) {
   // Frames always clip their children.
+  SetEntityNodeClipPlanes(entity_node.get(), rrect.getBounds());
+  // TODO(SCN-1274): AddPart() and SetClip() will be deleted.
   entity_node->SetClip(0u, true /* clip to self */);
 
   // We don't need a shape if the frame is zero size.
@@ -72,6 +113,7 @@ void SceneUpdateContext::CreateFrame(
   shape_node.SetTranslation(shape_bounds.width() * 0.5f + shape_bounds.left(),
                             shape_bounds.height() * 0.5f + shape_bounds.top(),
                             0.f);
+  // TODO(SCN-1274): AddPart() and SetClip() will be deleted.
   entity_node->AddPart(shape_node);
 
   // Check whether the painted layers will be visible.
@@ -244,8 +286,11 @@ SceneUpdateContext::Clip::Clip(SceneUpdateContext& context,
                             shape_bounds.height() * 0.5f + shape_bounds.top(),
                             0.f);
 
+  // TODO(SCN-1274): AddPart() and SetClip() will be deleted.
   entity_node().AddPart(shape_node);
   entity_node().SetClip(0u, true /* clip to self */);
+
+  SetEntityNodeClipPlanes(&entity_node(), shape_bounds);
 }
 
 SceneUpdateContext::Clip::~Clip() = default;