--- Configuration.h.orig	2021-08-20 10:50:45.305064814 -0400
+++ Configuration.h	2021-08-24 16:50:26.221890472 -0400
@@ -16,7 +16,7 @@
 // startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
 // build by the user have been successfully uploaded into firmware.
 #define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
-#define STRING_CONFIG_H_AUTHOR "Adrian/Lawsy/Rincewind/Tealvince" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "Adrian/Lawsy/Rincewind/Tealvince/Tom" // Who made the changes.
 
 // change to 3 for SD3 //{SD Patch}
 #define SOLIDOODLE_VERSION 3 //{SD Patch}
@@ -83,7 +83,7 @@
 // Original Solidoodle w/ Sanguinololu shipped pre June 2013 - Choose 62
 // Solidoodle w/ Printrboard shipped post June 2013 - Choose 81
 #ifndef MOTHERBOARD
-#define MOTHERBOARD 62
+#define MOTHERBOARD 81
 #endif
 
 // Define this to set a custom name for your generic Mendel,
@@ -143,7 +143,7 @@
 // 110 is Pt100 with 1k pullup (non standard)
 // 70 is 500C thermistor for Pico hot end
 
-#define TEMP_SENSOR_0 1		//{SD Patch}
+#define TEMP_SENSOR_0 5		//{SD Patch} - Titan Aero SD mod
 #define TEMP_SENSOR_1 -1
 #define TEMP_SENSOR_2 0
 #define TEMP_SENSOR_BED 1	//{SD Patch}
@@ -172,7 +172,7 @@
 // When temperature exceeds max temp, your heater will be switched off.
 // This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
 // You should use MINTEMP for thermistor short/failure protection.
-#define HEATER_0_MAXTEMP 230	//{SD Patch}
+#define HEATER_0_MAXTEMP 285	//{SD Patch} - Titan/Aero upgrade
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define BED_MAXTEMP 150	//{SD Patch}
@@ -207,9 +207,9 @@
 //    #define  DEFAULT_Kd 114
 //
 // Solidoodle
-    #define  DEFAULT_Kp 15.44
-    #define  DEFAULT_Ki 0.51
-    #define  DEFAULT_Kd 116.62
+    #define  DEFAULT_Kp 21.23   // Titan/Aero
+    #define  DEFAULT_Ki 1.40    // Titan/Aero
+    #define  DEFAULT_Kd 80.68   // Titan/Aero
 //
 // MakerGear
 //    #define  DEFAULT_Kp 7.0
@@ -385,7 +385,7 @@
 #define INVERT_X_DIR false    // for Mendel set to false, for Orca set to true {SD Patch}
 #define INVERT_Y_DIR false    // for Mendel set to true, for Orca set to false
 #define INVERT_Z_DIR false     // for Mendel set to false, for Orca set to true {SD Patch}
-#define INVERT_E0_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
+#define INVERT_E0_DIR true     // Sodidoole Titan/Aero conversion
 #define INVERT_E1_DIR false    // for direct drive extruder v9 set to true, for geared extruder set to false
 #define INVERT_E2_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
 
@@ -503,17 +503,17 @@
 #define MANUAL_Z_HOME_POS Z_MIN_POS
 
 #if SOLIDOODLE_VERSION == 3
-  #define X_MAX_POS 205
+  #define X_MAX_POS 138   // Solidoodle Titan/Aero mod
   #define X_MIN_POS 0
-  #define Y_MAX_POS 200
+  #define Y_MAX_POS 117   // Solidoodle Titan/Aero mod
   #define Y_MIN_POS 0
-  #define Z_MAX_POS 195
+  #define Z_MAX_POS 130   // Solidoodle Titan/Aero mod
 
 // The position of the homing switches
   //#define BED_CENTER_AT_0_0  // If defined, the center of the bed is at (X=0, Y=0)
 //Manual homing switch locations:
-  #define MANUAL_X_HOME_POS 205
-  #define MANUAL_Y_HOME_POS 200
+  #define MANUAL_X_HOME_POS X_MAX_POS // Solidoodle Titan/Aero mod
+  #define MANUAL_Y_HOME_POS Y_MAX_POS // Solidoodle Titan/Aero mod
 
 #else //assume SD2
   #define X_MAX_POS 155
@@ -543,7 +543,7 @@
 
 // default settings
 
-#define DEFAULT_AXIS_STEPS_PER_UNIT   {88,88,2268,138}  // default steps per unit for Ultimaker {SD Patch}
+#define DEFAULT_AXIS_STEPS_PER_UNIT   {88.70,89.44,6400.00,427.47}  // default steps per unit for Ultimaker {SD Patch}
 //#define AXIS_STEPS_NEGATIVE           {88,88,2268,138} // Step values to be used when travelling in the negative direction. Useful for threadless ball screws. Comment out if not needed
 #define DEFAULT_MAX_FEEDRATE          {500, 500, 5, 45}    // (mm/sec) {SD Patch}
 #define DEFAULT_MAX_ACCELERATION      {1200,1200,100,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot. {SD Patch}