diff --git a/config/printer-geeetech-A10T-A20T-2021.cfg b/config/printer-geeetech-A10T-A20T-2021.cfg
new file mode 100644
index 000000000000..3969aa155886
--- /dev/null
+++ b/config/printer-geeetech-A10T-A20T-2021.cfg
@@ -0,0 +1,267 @@
+# This file contains common pin mappings for the Geeetech GT2560 v4.0 and v4.1b
+# boards. These boards use a firmware compiled for the AVR atmega2560. 
+# For default Geeetech A10/A20  (1 extruder),
+#                      A10M/A20M (mixing 2 in 1 out), 
+#                      A10T/A20T (mixing 3 in 1 out) printers
+# Installation: https://www.klipper3d.org/Installation.html
+# Always read for first start: https://www.klipper3d.org/Config_checks.html
+
+[mcu]
+# Might need to be changed: https://www.klipper3d.org/Installation.html
+serial: /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
+baud: 250000
+
+[printer]
+kinematics: cartesian
+max_velocity: 200
+max_accel: 1500
+max_z_velocity: 20
+max_z_accel: 500
+
+# # uncomment for BLTouch/3DTouch
+# [bltouch]
+# sensor_pin: PC7 # there is an external pull up so no need in ^
+# control_pin: PB5
+# speed: 3.0
+# samples: 2
+# x_offset: -42.0
+# y_offset: -1.0
+#                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      z_offset: 1.0 # during calibration this line is commented out and new record added at the end of file
+
+[safe_z_home]
+home_xy_position: 100, 100  # Change coordinates to the center of your print bed
+speed: 50
+z_hop: 10  # Move up 10mm
+z_hop_speed: 5
+
+[stepper_x]
+enable_pin: !PC2
+dir_pin: !PG2
+step_pin: PC0
+microsteps: 16
+rotation_distance: 40
+endstop_pin: !PA2 # there are external pull ups
+position_endstop: 0
+position_max: 220
+homing_speed: 40
+
+[stepper_y]
+enable_pin: !PA7
+dir_pin: !PC4
+step_pin: PC6
+microsteps: 16
+rotation_distance: 40
+endstop_pin: !PA6 # there are external pull ups
+position_endstop: 0
+position_max: 220
+homing_speed: 40
+
+[stepper_z]
+enable_pin: !PA5
+dir_pin: PA1
+step_pin: PA3
+microsteps: 16
+rotation_distance: 8
+#endstop_pin: probe:z_virtual_endstop # uncomment for BLTouch/3DTouch
+endstop_pin: !PC7 # comment for BLTouch/3DTouch
+position_endstop: 0 # comment for BLTouch/3DTouch
+position_max: 230
+position_min: -5
+homing_speed: 20
+
+[extruder]
+enable_pin: !PB6
+dir_pin: PL5
+step_pin: PL3
+microsteps: 16
+rotation_distance: 34.4 # Needs to be optimized: https://www.klipper3d.org/Rotation_Distance.html#calibrating-rotation_distance-on-extruders
+nozzle_diameter: 0.4
+filament_diameter: 1.750
+heater_pin: PB4
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PK3
+min_temp: 0
+max_temp: 250
+max_extrude_only_distance: 200.0
+
+[extruder_stepper extruder_1]
+extruder: 
+enable_pin: !PL1
+dir_pin: PL2
+step_pin: PL0
+microsteps: 16
+rotation_distance: 34.4	# Needs to be optimized: https://www.klipper3d.org/Rotation_Distance.html#calibrating-rotation_distance-on-extruders
+
+[extruder_stepper extruder_2]
+extruder: 
+enable_pin: !PG0
+dir_pin: PL4
+step_pin: PL6
+microsteps: 16
+rotation_distance: 34.4 # Needs to be optimized: https://www.klipper3d.org/Rotation_Distance.html#calibrating-rotation_distance-on-extruders
+
+[heater_bed]
+heater_pin: PG5
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PK2
+min_temp: 0
+max_temp: 120
+
+[fan]
+pin: PH6
+cycle_time: 0.150
+kick_start_time: 0.300
+
+# # for GT2560V4.0 with 20pin flat cable toward the display
+# [display]
+# lcd_type: hd44780
+# hd44780_protocol_init: True
+# rs_pin: PD1
+# e_pin: PH0
+# d4_pin: PH1
+# d5_pin: PD0
+# d6_pin: PE3
+# d7_pin: PC1
+# encoder_pins: ^PG1, ^PL7
+# click_pin: ^!PD2
+
+
+# for GT2560V4.1B with 12pin flat cable toward the display YHCB2004-06 ver3.0
+# the aip31068_spi driver was added to Klipper on 2024-12-02, commit aecb29d2
+[display]
+lcd_type: aip31068_spi
+latch_pin: PE3
+spi_software_sclk_pin: PD0
+spi_software_mosi_pin: PC1
+spi_software_miso_pin: PH7 # any unused pin
+encoder_pins: ^PH0, ^PH1
+click_pin: ^!PD2
+
+
+[filament_switch_sensor sensor_e0]
+pause_on_runout: True
+switch_pin: !PK4
+runout_gcode:
+    PAUSE_MACRO
+insert_gcode:
+    RESUME_MACRO
+
+[filament_switch_sensor sensor_e1]
+pause_on_runout: True
+switch_pin: !PK5
+runout_gcode:
+    PAUSE_MACRO
+insert_gcode:
+    RESUME_MACRO
+
+[filament_switch_sensor sensor_e2]
+pause_on_runout: True
+# switch_pin: !PE2 # for GT2560V4.0
+switch_pin: !PF0 # for GT2560V4.1B
+runout_gcode:
+    PAUSE_MACRO
+insert_gcode:
+    RESUME_MACRO
+
+
+[gcode_macro T0]
+gcode:
+    # Deactivate stepper in my_extruder_stepper
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_1 MOTION_QUEUE=
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_2 MOTION_QUEUE=
+    # Activate stepper in extruder
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder MOTION_QUEUE=extruder
+
+[gcode_macro T1]
+gcode:
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder MOTION_QUEUE=
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_2 MOTION_QUEUE=
+    # Activate stepper in my_extruder_stepper
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_1 MOTION_QUEUE=extruder
+
+[gcode_macro T2]
+gcode:
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder MOTION_QUEUE=
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_1 MOTION_QUEUE=
+    # Activate stepper in extruder
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_2 MOTION_QUEUE=extruder
+
+
+[gcode_macro ACTIVATE_EXTRUDER]
+description: Replaces built-in macro for a X-in, 1-out extruder
+rename_existing: ACTIVATE_EXTRUDER_BASE
+gcode:
+    {% if 'EXTRUDER' in params %}
+      {% set ext = params.EXTRUDER|default(EXTRUDER) %}
+      {% if ext == "extruder"%}
+        {action_respond_info("Switching to extruder.")}
+        T0
+      {% elif ext == "extruder_1" %}
+        {action_respond_info("Switching to extruder_1.")}
+        T1
+      {% elif ext == "extruder_2" %}
+        {action_respond_info("Switching to extruder_2.")}
+        T2
+      {% else %}
+        {action_respond_info("EXTRUDER value being passed.")}
+        ACTIVATE_EXTRUDER_BASE EXTRUDER={ext}
+      {% endif %}
+    {% endif %}
+
+[delayed_gcode activate_default_extruder]
+initial_duration: 1
+gcode:
+    ACTIVATE_EXTRUDER EXTRUDER=extruder
+
+# to enable M118 echo command
+[respond]
+
+# Specific macros for mixing colors.
+# Add in slicer new filament color and in filament start G-Code add desired mixing factor:
+#     M163 S0 P50 ; set extruder 0 to 50%
+#     M163 S1 P40 ; set extruder 1 to 40%
+#     M163 S2 P10 ; set extruder 2 to 10%
+#     M164 ; commit the mix factors
+[gcode_macro M163]  
+description:  M163 [P<factor>] [S<index>] Set a single mix factor (in proportion to the sum total of all mix factors). The mix must be committed to a virtual tool by M164 before it takes effect.
+gcode:
+    {% if 'P' in params %}
+            {% set s = params.S|default(0)| int %}  
+            {% if s == 0 %}
+                SET_GCODE_VARIABLE MACRO=M164 VARIABLE=e0_parts VALUE={params.P|default(0)|float}
+                M118 Set Mixing factor for extruder 0 to {params.P|default(0)|float}
+            {% elif s == 1 %}
+                SET_GCODE_VARIABLE MACRO=M164 VARIABLE=e1_parts VALUE={params.P|default(0)|float} 
+                M118 Set Mixing factor for extruder 1 to {params.P|default(0)|float}
+            {% elif s == 2 %}
+                SET_GCODE_VARIABLE MACRO=M164 VARIABLE=e2_parts VALUE={params.P|default(0)|float} 
+                M118 Set Mixing factor for extruder 2 to {params.P|default(0)|float}
+            {% endif %}  
+    {% else %}    
+        M118 No Mixing factor set, missing value for P
+    {% endif %}
+    M118 {e0_parts} {e1_parts} {e2_parts} 
+   
+  
+[gcode_macro M164]
+description: Applies the set mixing factors to the extruders
+# default values:
+variable_e0_parts : 100 
+variable_e1_parts : 0
+variable_e2_parts : 0
+gcode:
+    # normalize the parts to sum of 1
+    {% set e0 = e0_parts / (e0_parts + e1_parts + e2_parts) | float %} 
+    {% set e1 = e1_parts / (e0_parts + e1_parts + e2_parts) | float %}
+    {% set e2 = e2_parts / (e0_parts + e1_parts + e2_parts) | float %}
+    M118 scaled rot-dist_e0 { printer.configfile.settings.extruder.rotation_distance / (e0 + 0.000001) | float }
+    M118 scaled rot-dist_e1 { printer.configfile.settings['extruder_stepper extruder_1'].rotation_distance / (e1 + 0.000001) | float } 
+    M118 scaled rot-dist_e2 { printer.configfile.settings['extruder_stepper extruder_2'].rotation_distance / (e2 + 0.000001) |float } 
+    # activate stepper percentages
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder MOTION_QUEUE=extruder 
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_1 MOTION_QUEUE=extruder 
+    SYNC_EXTRUDER_MOTION EXTRUDER=extruder_2 MOTION_QUEUE=extruder 
+    SET_EXTRUDER_ROTATION_DISTANCE EXTRUDER=extruder DISTANCE={ printer.configfile.settings.extruder.rotation_distance / (e0+0.000001)|float }
+    SET_EXTRUDER_ROTATION_DISTANCE EXTRUDER=extruder_1 DISTANCE={ printer.configfile.settings['extruder_stepper extruder_1'].rotation_distance / (e1+0.000001)|float } 
+    SET_EXTRUDER_ROTATION_DISTANCE EXTRUDER=extruder_2 DISTANCE={ printer.configfile.settings['extruder_stepper extruder_2'].rotation_distance / (e2+0.000001)|float } 
+    M118 Mixing factors {e0} {e1} {e2} are activated