diff --git a/DMD2.h b/DMD2.h
index 96bbd50..40ff722 100644
--- a/DMD2.h
+++ b/DMD2.h
@@ -132,6 +132,9 @@ class DMDFrame
   void drawBox(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, DMDGraphicsMode mode=GRAPHICS_ON);
   void drawFilledBox(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, DMDGraphicsMode mode=GRAPHICS_ON);
   void drawTestPattern(DMDTestPattern pattern);
+ 
+  //flip panels
+  void setFlipPanels(bool flPanels){ boolFlipPanels = flPanels; }
 
   // Text primitives
   void selectFont(const uint8_t* font);
@@ -176,6 +179,7 @@ class DMDFrame
   byte height_in_panels; // in panels
 
   uint8_t *font;
+  bool boolFlipPanels = false;
 
   inline size_t bitmap_bytes() {
     // total bytes in the bitmap