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diff --git a/Marlin/src/pins/ramps/pins_RAMPS_PLUS.h b/Marlin/src/pins/ramps/pins_RAMPS_PLUS.h
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Arduino Mega with RAMPS v1.4Plus, also known as 3DYMY version, pin assignments
+ * The differences to the RAMPS v1.4 are:
+ *  - Swap heater E0 with E1
+ *  - Swap pins 8 and 10. Bed/Fan/Hotend as labeled on the board are on pins 8/9/10.
+ *  - Change pins 16->42, 17->44 and 29->53 used for display.
+ *
+ * Applies to the following boards:
+ *
+ *  RAMPS_PLUS_EFB (Extruder, Fan, Bed)
+ *  RAMPS_PLUS_EEB (Extruder, Extruder, Bed)
+ *  RAMPS_PLUS_EFF (Extruder, Fan, Fan)
+ *  RAMPS_PLUS_EEF (Extruder, Extruder, Fan)
+ *  RAMPS_PLUS_SF  (Spindle, Controller Fan)
+ */
+
+#if NOT_TARGET(__AVR_ATmega1280__, __AVR_ATmega2560__)
+ #error "Oops! Select 'Arduino/Genuino Mega or Mega 2560' in 'Tools > Board.'"
+#endif
+
+#define BOARD_INFO_NAME "RAMPS 1.4 Plus"
+
+#define RAMPS_D8_PIN                          10
+#define RAMPS_D10_PIN                          8
+
+#include "pins_RAMPS.h"
+
+//
+// Steppers - Swap E0 / E1 on 3DYMY
+//
+#undef E0_STEP_PIN
+#undef E0_DIR_PIN
+#undef E0_ENABLE_PIN
+
+#undef E1_STEP_PIN
+#undef E1_DIR_PIN
+#undef E1_ENABLE_PIN
+
+#define E0_STEP_PIN                           36
+#define E0_DIR_PIN                            34
+#define E0_ENABLE_PIN                         30
+
+#define E1_STEP_PIN                           26
+#define E1_DIR_PIN                            28
+#define E1_ENABLE_PIN                         24
+
+#undef X_CS_PIN
+#undef Y_CS_PIN
+#undef Z_CS_PIN
+#undef E0_CS_PIN
+#undef E1_CS_PIN
+
+#if IS_ULTRA_LCD && NONE(REPRAPWORLD_GRAPHICAL_LCD, CR10_STOCKDISPLAY) && !BOTH(IS_NEWPANEL, PANEL_ONE)
+  #if DISABLED(MKS_12864OLED) || ENABLED(MKS_12864OLED_SSD1306)
+    #undef LCD_PINS_RS
+    #define LCD_PINS_RS                       42  // 3DYMY boards pin 16 -> 42
+    #undef LCD_PINS_ENABLE
+    #define LCD_PINS_ENABLE                   44  // 3DYMY boards pin 17 -> 44
+  #endif
+  #undef LCD_PINS_D7
+  #define LCD_PINS_D7                         53  // 3DYMY boards pin 29 -> 53
+#endif