diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0858735
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.writeable
+**/.DS_Store
\ No newline at end of file
diff --git a/Config Files/macros.cfg b/Config Files/macros.cfg
index 3b074be..df1bb38 100644
--- a/Config Files/macros.cfg	
+++ b/Config Files/macros.cfg	
@@ -6,6 +6,17 @@
 #release date: 08.05.2025
 
 
+[gcode_macro M106]
+rename_existing: M106.1
+gcode:
+  {% set P = params.P|default(0)|int %}
+  {% set S = params.S|default(0.0)|float / 255 %}
+  {% if P == 3 %}
+    SET_FAN_SPEED FAN=filter_fan SPEED={S}
+  {% else %}
+    M106.1  { rawparams }
+  {% endif %}
+
 [gcode_macro _END_PRINT]
 gcode:
     # Lower build plate
diff --git a/Slicer Profiles/ProForge 300 v1.4.orca_printer b/Slicer Profiles/ProForge 300 v1.4.orca_printer
deleted file mode 100644
index b7c9868..0000000
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diff --git a/Slicer Profiles/ProForge 300 v1.5.orca_printer b/Slicer Profiles/ProForge 300 v1.5.orca_printer
new file mode 100644
index 0000000..f53cc90
Binary files /dev/null and b/Slicer Profiles/ProForge 300 v1.5.orca_printer differ