Add nevermore and exhaust fan for print start and end. Change order of gantry leveling and do it closer to edge of bed.

printer.cfg

@@ -377,12 +377,13 @@ z_hop: 10
 gantry_corners:
 	-60,-10
 	360,370
+
 #	Probe points
 points:
-	50,25
-	50,225
-	250,225
-	250,25
+    275,25
+	25,25
+	25,275
+	275,275
 
 ##	Gantry Corners for 350mm Build
 ##	Uncomment for 350mm build
@@ -507,6 +508,18 @@ gcode:
 gcode:
   {% set BED = params.BED|default(60)|int %}
   {% set EXTRUDER = params.EXTRUDER|default(210)|int %}
+  {% set mat = params.FILAMENT_TYPE|default("PLA") %}
+  
+  {% if mat == "ABS" %}
+      M118 Turning on exhaust for ABS
+      SET_FAN_SPEED FAN=exhaust_fan SPEED=0.05
+  {% elif mat == "PETG" %}
+      M118 Turning on exhaust for PETG
+      SET_FAN_SPEED FAN=exhaust_fan SPEED=0.20
+  {% elif mat == "PLA" %}
+      M118 Turning on exhaust for PLA
+      SET_FAN_SPEED FAN=exhaust_fan SPEED=0.40
+  {% endif %}
   
   SAVE_GCODE_STATE NAME=start
 
@@ -514,21 +527,28 @@ gcode:
 
   STATUS_HEATING
   M117 Starting warmup
+
+  SET_FAN_SPEED FAN=nevermore SPEED=0.75
+  _CHECK_CANCEL
   M140 S{BED}
+  _CHECK_CANCEL
   CG28
   G1 Z20 F3000 ; move nozzle away from bed
   
   # Heat bed first
   # Heat nozzle to 140
+  M117 Heating Bed
   STATUS_HEATING
   M104 S140
   M190 S{BED}
+  _CHECK_CANCEL
   
   # Home and QGL while nozzle is cold
   M117 Homing
   G32
   
   # Now heat nozzle
+  _CHECK_CANCEL
   M117 Heating Nozzle
   STATUS_HEATING
   M109 S{EXTRUDER}
@@ -560,6 +580,11 @@ gcode:
 
     BED_MESH_CLEAR
 
+    # Wait 3 minutes before turning off fans
+    G4 P180000
+    SET_FAN_SPEED FAN=nevermore SPEED=0.00
+    SET_FAN_SPEED FAN=exhaust_fan SPEED=0.00
+    
     STATUS_READY
 
     # The purpose of the SAVE_GCODE_STATE/RESTORE_GCODE_STATE
@@ -569,6 +594,13 @@ gcode:
     # moves when restoring the state, explicitly set MOVE=0.
     RESTORE_GCODE_STATE NAME=STATE_PRINT_END MOVE=0
 
+[gcode_macro _CHECK_CANCEL]
+gcode:
+    {% if printer.print_stats.state == "cancelling" %}
+        action_respond_info("Macro cancelled")
+        raise
+    {% endif %}
+
 [force_move]
     enable_force_move: true