diff --git a/selfdrive/ui/qt/onroad/annotated_camera.h b/selfdrive/ui/qt/onroad/annotated_camera.h
index 219b39546f..e3ca837907 100644
--- a/selfdrive/ui/qt/onroad/annotated_camera.h
+++ b/selfdrive/ui/qt/onroad/annotated_camera.h
@@ -9,7 +9,9 @@
 #ifdef SUNNYPILOT
 #include "selfdrive/ui/sunnypilot/qt/onroad/buttons.h"
 #include "selfdrive/ui/sunnypilot/qt/onroad/hud.h"
+#include "selfdrive/ui/sunnypilot/qt/onroad/model.h"
 #define ExperimentalButton ExperimentalButtonSP
+#define ModelRenderer ModelRendererSP
 #else
 #include "selfdrive/ui/qt/onroad/buttons.h"
 #include "selfdrive/ui/qt/onroad/hud.h"
diff --git a/selfdrive/ui/qt/onroad/model.cc b/selfdrive/ui/qt/onroad/model.cc
index 52902abdc8..dc801e591f 100644
--- a/selfdrive/ui/qt/onroad/model.cc
+++ b/selfdrive/ui/qt/onroad/model.cc
@@ -1,18 +1,5 @@
 #include "selfdrive/ui/qt/onroad/model.h"
 
-constexpr int CLIP_MARGIN = 500;
-constexpr float MIN_DRAW_DISTANCE = 10.0;
-constexpr float MAX_DRAW_DISTANCE = 100.0;
-
-static int get_path_length_idx(const cereal::XYZTData::Reader &line, const float path_height) {
-  const auto &line_x = line.getX();
-  int max_idx = 0;
-  for (int i = 1; i < line_x.size() && line_x[i] <= path_height; ++i) {
-    max_idx = i;
-  }
-  return max_idx;
-}
-
 void ModelRenderer::draw(QPainter &painter, const QRect &surface_rect) {
   auto *s = uiState();
   auto &sm = *(s->sm);
@@ -35,7 +22,7 @@ void ModelRenderer::draw(QPainter &painter, const QRect &surface_rect) {
 
   update_model(model, lead_one);
   drawLaneLines(painter);
-  drawPath(painter, model, surface_rect.height());
+  drawPath(painter, model, surface_rect);
 
   if (longitudinal_control && sm.alive("radarState")) {
     update_leads(radar_state, model.getPosition());
diff --git a/selfdrive/ui/qt/onroad/model.h b/selfdrive/ui/qt/onroad/model.h
index 7e1b43acb4..85eb236e76 100644
--- a/selfdrive/ui/qt/onroad/model.h
+++ b/selfdrive/ui/qt/onroad/model.h
@@ -9,21 +9,39 @@
 #include "selfdrive/ui/ui.h"
 #endif
 
+constexpr int CLIP_MARGIN = 500;
+constexpr float MIN_DRAW_DISTANCE = 10.0;
+constexpr float MAX_DRAW_DISTANCE = 100.0;
+
+inline int get_path_length_idx(const cereal::XYZTData::Reader &line, const float path_height) {
+  const auto &line_x = line.getX();
+  int max_idx = 0;
+  for (int i = 1; i < line_x.size() && line_x[i] <= path_height; ++i) {
+    max_idx = i;
+  }
+  return max_idx;
+}
+
 class ModelRenderer {
 public:
+  virtual ~ModelRenderer() = default;
+
   ModelRenderer() {}
   void setTransform(const Eigen::Matrix3f &transform) { car_space_transform = transform; }
   void draw(QPainter &painter, const QRect &surface_rect);
 
-private:
+protected:
   bool mapToScreen(float in_x, float in_y, float in_z, QPointF *out);
   void mapLineToPolygon(const cereal::XYZTData::Reader &line, float y_off, float z_off,
                         QPolygonF *pvd, int max_idx, bool allow_invert = true);
   void drawLead(QPainter &painter, const cereal::RadarState::LeadData::Reader &lead_data, const QPointF &vd, const QRect &surface_rect);
   void update_leads(const cereal::RadarState::Reader &radar_state, const cereal::XYZTData::Reader &line);
-  void update_model(const cereal::ModelDataV2::Reader &model, const cereal::RadarState::LeadData::Reader &lead);
+  virtual void update_model(const cereal::ModelDataV2::Reader &model, const cereal::RadarState::LeadData::Reader &lead);
   void drawLaneLines(QPainter &painter);
   void drawPath(QPainter &painter, const cereal::ModelDataV2::Reader &model, int height);
+  virtual void drawPath(QPainter &painter, const cereal::ModelDataV2::Reader &model, const QRect &surface_rect) {;
+    drawPath(painter, model, surface_rect.height());
+  }
   void updatePathGradient(QLinearGradient &bg);
   QColor blendColors(const QColor &start, const QColor &end, float t);
 
diff --git a/selfdrive/ui/sunnypilot/qt/onroad/model.h b/selfdrive/ui/sunnypilot/qt/onroad/model.h
index e8594629cb..8569e58f66 100644
--- a/selfdrive/ui/sunnypilot/qt/onroad/model.h
+++ b/selfdrive/ui/sunnypilot/qt/onroad/model.h
@@ -11,5 +11,5 @@
 
 class ModelRendererSP : public ModelRenderer {
 public:
-  ModelRendererSP() {}
+  ModelRendererSP() = default;
 };