Config: Update flow ratios to calibrated value (1.00 for PLA)

- Orca PLA profiles (Bambu + Original): flow_ratio 0.98 → 1.00
- Calibrated via Orca Flow Test on 2026-03-14
- Other filaments (PETG, ABS, TPU) keep default values pending calibration

- user_settings_clean.cfg: Added _FILAMENT_SETTINGS macro
  - cleaning_temperatures for KNCM (PLA:140, PETG:160, TPU:180, ABS:190)
  - flow_ratios (PLA:1.00 calibrated, others default)
  - pressure_advance defaults per hotend type
  - retraction defaults per hotend type

orca-profiles/Neptune4Plus-Bambu/filament_pla_bambu.json

@@ -82,7 +82,7 @@
     "filament_is_support": 0,
     "filament_soluble": 0,
     "filament_dissolve_interval": 0,
-    "filament_flow_ratio": 0.98,
+    "filament_flow_ratio": 1.00,
     "filament_max_speed": 0,
     "filament_minimal_purge_on_wipe_tower": 15,
     "filament_pressure_advance": 0.045,
@@ -140,7 +140,7 @@
     "filament_spool_weight": 0,
     "filament_diameter": 1.75,
     "filament_max_volumetric_speed": 23.0,
-    "filament_flow_ratio": 0.98,
+    "filament_flow_ratio": 1.00,
     "filament_max_speed": 0,
     "filament_minimal_purge_on_wipe_tower": 15,
     "filament_pressure_advance": 0.045,

orca-profiles/Neptune4Plus-Original/filament_pla_original.json

@@ -82,7 +82,7 @@
     "filament_is_support": 0,
     "filament_soluble": 0,
     "filament_dissolve_interval": 0,
-    "filament_flow_ratio": 0.98,
+    "filament_flow_ratio": 1.00,
     "filament_max_speed": 0,
     "filament_minimal_purge_on_wipe_tower": 15,
     "filament_pressure_advance": 0.050,
@@ -140,7 +140,7 @@
     "filament_spool_weight": 0,
     "filament_diameter": 1.75,
     "filament_max_volumetric_speed": 15.0,
-    "filament_flow_ratio": 0.98,
+    "filament_flow_ratio": 1.00,
     "filament_max_speed": 0,
     "filament_minimal_purge_on_wipe_tower": 15,
     "filament_pressure_advance": 0.050,

user_settings_clean.cfg

@@ -334,6 +334,51 @@ screw_thread: CW-M4
 [force_move]
 enable_force_move: True
 
+# ============================================================================
+# FILAMENT-SPECIFIC SETTINGS
+# Calibrated values for different filament types
+# Flow Ratio calibrated: 2026-03-14 (Orca Flow Test)
+# ============================================================================
+
+# ------------------------------------------------------------------------
+# FILAMENT TEMPERATURES & CLEANING SETTINGS
+# Used by KNCM (Klipper Nozzle Clean Macro)
+# ------------------------------------------------------------------------
+# These temperatures are used for nozzle cleaning (lower than print temp)
+# to prevent oozing during the cleaning motion
+# ------------------------------------------------------------------------
+
+[gcode_macro _FILAMENT_SETTINGS]
+description: "Filament-specific settings for cleaning and calibration"
+
+# Cleaning temperatures by filament type (used by KNCM)
+# Format: {"FILAMENT":temp, ...}
+variable_cleaning_temperatures: {"PLA":140,"PETG":160,"TPU":180,"ABS":190,"ASA":190}
+
+# Flow ratios (calibrated values - update per filament spool)
+# PLA: 1.00 (calibrated 2026-03-14, yellow PLA)
+# PETG: 0.97 (default, needs calibration)
+# ABS: 0.95 (default, needs calibration)
+# TPU: 0.95 (default, needs calibration)
+variable_flow_ratios: {"PLA":1.00,"PETG":0.97,"ABS":0.95,"TPU":0.95}
+
+# Pressure Advance defaults (calibrated values)
+# Bambu Lab Hotend (steel nozzle, 23 mm³/s)
+variable_pa_bambu: {"PLA":0.045,"PETG":0.070,"ABS":0.060,"TPU":0.100}
+
+# Original Elegoo Hotend (15 mm³/s)
+variable_pa_original: {"PLA":0.050,"PETG":0.075,"ABS":0.065,"TPU":0.110}
+
+# Retraction defaults (mm)
+# Bambu Lab Hotend
+variable_retract_bambu: {"PLA":1.8,"PETG":1.8,"ABS":1.8,"TPU":1.2}
+
+# Original Elegoo Hotend
+variable_retract_original: {"PLA":2.5,"PETG":2.5,"ABS":2.5,"TPU":1.5}
+
+gcode:
+  {action_respond_info("FILAMENT_SETTINGS loaded - use variables in other macros")}
+
 # ============================================================================
 # END OF USER SETTINGS
 # ============================================================================