diff --git a/configuration/automations/3d-printer.yaml b/configuration/automations/3d-printer.yaml
index 0af925c..caff86b 100644
--- a/configuration/automations/3d-printer.yaml
+++ b/configuration/automations/3d-printer.yaml
@@ -140,6 +140,35 @@
       target:
         entity_id: switch.3d_printer_enclosure_fan_on_off
 
+- id: prusa_mk39_nevermore_on
+  alias: '[Prusa MK3.9] Nevermore on'
+  mode: single
+  trigger:
+    - platform: state
+      entity_id:
+        - sensor.prusa_mk39
+      to: printing
+  condition:
+    - condition: or
+      conditions:
+        - condition: state
+          entity_id: sensor.prusa_mk39_material
+          state: ABS
+        - condition: state
+          entity_id: sensor.prusa_mk39_material
+          state: ASA
+        - condition: state
+          entity_id: sensor.prusa_mk39_material
+          state: PC
+        - condition: state
+          entity_id: sensor.prusa_mk39_material
+          state: PCTG
+  action:
+    - service: fan.turn_on
+      target:
+        entity_id: fan.esp_3dprinter_controller_mk4_nevermore
+      data:
+
 - id: prusa_mk39_fan_off
   alias: '[Prusa MK3.9] Fan off'
   mode: single