diff --git a/KNCM_settings.cfg b/KNCM_settings.cfg
index aedf0f6..4ea2ad6 100644
--- a/KNCM_settings.cfg
+++ b/KNCM_settings.cfg
@@ -3,6 +3,34 @@
 # Simplified nozzle cleaning for reliable prints
 # ============================================================================
 
+# ----------------------------------------------------------------------------
+# PRINTER VARIABLES - Neptune 4 Plus
+# ----------------------------------------------------------------------------
+# Adjust these values for your specific printer model!
+# ----------------------------------------------------------------------------
+
+[gcode_variable printer_settings]
+# Bed dimensions (not nozzle travel, but usable bed area)
+# N4=229, N4Plus=330, N4Max=430
+variable_printer_bed_y_max: 330
+
+# Nozzle clean position (front-left corner, adjust for your brush/cloth)
+variable_clean_x: 0
+variable_clean_y: 0
+variable_clean_z: 0.5
+
+# Park position (front center for easy access)
+variable_park_x: 165
+variable_park_y: 10
+variable_park_z: 50
+
+# Purge line settings
+variable_purge_start_x: 10
+variable_purge_end_x: 300
+variable_purge_y: 10
+variable_purge_z: 0.2
+variable_purge_amount: 30
+
 # ----------------------------------------------------------------------------
 # CLEAN_NOZZLE - Wipe nozzle on brush/cloth
 # ----------------------------------------------------------------------------
@@ -10,9 +38,9 @@
 description: Clean nozzle on brush or cloth
 gcode:
     {% set FILAMENT_TYPE = params.FILAMENT_TYPE|default("PLA")|upper %}
-    {% set CLEAN_X = params.CLEAN_X|default(0)|int %}
-    {% set CLEAN_Y = params.CLEAN_Y|default(0)|int %}
-    {% set CLEAN_Z = params.CLEAN_Z|default(0.5)|float %}
+    {% set CLEAN_X = params.CLEAN_X|default(printer_settings.clean_x)|int %}
+    {% set CLEAN_Y = params.CLEAN_Y|default(printer_settings.clean_y)|int %}
+    {% set CLEAN_Z = params.CLEAN_Z|default(printer_settings.clean_z)|float %}
     {% set PASSES = params.PASSES|default(3)|int %}
     
     RESPOND MSG="Cleaning nozzle..."
@@ -37,9 +65,9 @@ gcode:
 [gcode_macro SMART_PARK]
 description: Park nozzle at front of bed for easy access
 gcode:
-    {% set PARK_X = params.PARK_X|default(165)|int %}
-    {% set PARK_Y = params.PARK_Y|default(10)|int %}
-    {% set PARK_Z = params.PARK_Z|default(50)|int %}
+    {% set PARK_X = params.PARK_X|default(printer_settings.park_x)|int %}
+    {% set PARK_Y = params.PARK_Y|default(printer_settings.park_y)|int %}
+    {% set PARK_Z = params.PARK_Z|default(printer_settings.park_z)|int %}
     
     G1 X{PARK_X} Y{PARK_Y} Z{PARK_Z} F6000
     
@@ -51,11 +79,11 @@ gcode:
 [gcode_macro LINE_PURGE]
 description: Print purge line at start of bed
 gcode:
-    {% set PURGE_START_X = params.START_X|default(10)|int %}
-    {% set PURGE_END_X = params.END_X|default(300)|int %}
-    {% set PURGE_Y = params.Y|default(10)|int %}
-    {% set PURGE_Z = params.Z|default(0.2)|float %}
-    {% set PURGE_AMOUNT = params.AMOUNT|default(30)|int %}
+    {% set PURGE_START_X = params.START_X|default(printer_settings.purge_start_x)|int %}
+    {% set PURGE_END_X = params.END_X|default(printer_settings.purge_end_x)|int %}
+    {% set PURGE_Y = params.Y|default(printer_settings.purge_y)|int %}
+    {% set PURGE_Z = params.Z|default(printer_settings.purge_z)|float %}
+    {% set PURGE_AMOUNT = params.AMOUNT|default(printer_settings.purge_amount)|int %}
     
     # Move to purge start
     G1 X{PURGE_START_X} Y{PURGE_Y} Z{PURGE_Z} F3000