diff --git a/continuousprint/data/printer_profiles.yaml b/continuousprint/data/printer_profiles.yaml
index ec08f9b..23edaf5 100644
--- a/continuousprint/data/printer_profiles.yaml
+++ b/continuousprint/data/printer_profiles.yaml
@@ -305,7 +305,7 @@ PrinterProfile:
       clearBed: Pause
       finished: Generic Off
     depth: 210
-    extra_tags: []
+    extra_tags: ["MK3", "MK3S"]
     formFactor: rectangular
     height: 210
     make: Prusa
diff --git a/continuousprint/scripts/extract_profile.py b/continuousprint/scripts/extract_profile.py
index 2dfbc2a..d883c11 100644
--- a/continuousprint/scripts/extract_profile.py
+++ b/continuousprint/scripts/extract_profile.py
@@ -50,6 +50,24 @@ def get_profile(self, hdr, ftr) -> str:
         return ""
 
 
+class Simplify3DProcessor:
+    @classmethod
+    def match(self, hdr, ftr):
+        for line in hdr:
+            if line.startswith("; G-Code generated by Simplify3D"):
+                return True
+        return False
+
+    @classmethod
+    def get_profile(self, hdr, ftr) -> str:
+        for line in hdr:
+            m = re.match(";   profileName,(.*)", line)
+            print(line, "->", m)
+            if m is not None:
+                return m[1]
+        return ""
+
+
 def token_string_match(profstr):
     # Remove non-alpha characters from profile string
     # Convert all into bag-of-words
@@ -72,7 +90,7 @@ def token_string_match(profstr):
 
 PROCESSORS = [
     (cls.__name__, cls.match, cls.get_profile)
-    for cls in [KiriMotoProcessor, PrusaSlicerProcessor]
+    for cls in [KiriMotoProcessor, PrusaSlicerProcessor, Simplify3DProcessor]
 ]
 
 gcode_move_re = re.compile("^G[012] .*")
diff --git a/continuousprint/scripts/test_extract_profile.py b/continuousprint/scripts/test_extract_profile.py
index 3611233..11c5636 100644
--- a/continuousprint/scripts/test_extract_profile.py
+++ b/continuousprint/scripts/test_extract_profile.py
@@ -25,6 +25,11 @@ def testParameterized(self):
                 "; printer_model = MK3S\n",
                 "Prusa i3 MK3S+",
             ),
+            (
+                "; G-Code generated by Simplify3D(R) Version 4.1.2\n;   profileName,Prusa Research Original Prusa i3 MK3",
+                "",
+                "Prusa i3 MK3S+",
+            ),
         ]:
             with self.subTest(header=header, footer=footer, want=want):
                 hdr = header.split("\n")