diff --git a/CAD/Code/bin/create_assemblies.bat b/CAD/Code/bin/create_assemblies.bat
new file mode 100644
index 0000000..68992d6
--- /dev/null
+++ b/CAD/Code/bin/create_assemblies.bat
@@ -0,0 +1,10 @@
+@echo off
+REM ~dp0 steht für das Verzeichnis, in der diese Datei liegt 
+
+call setenv.bat
+
+REM Beispielaufruf mit Parametern:
+REM --in: Ordner mit .par-Dateien
+REM --out: Zielverzeichnis (optional)
+
+python %PROJECT_LIB%\create_assemblies.py %*
\ No newline at end of file
diff --git a/CAD/Code/bin/get_cmd.bat b/CAD/Code/bin/get_cmd.bat
new file mode 100644
index 0000000..4dab2dd
--- /dev/null
+++ b/CAD/Code/bin/get_cmd.bat
@@ -0,0 +1,4 @@
+@echo off
+call setenv.bat
+start
+
diff --git a/CAD/Code/bin/setenv.bat b/CAD/Code/bin/setenv.bat
new file mode 100644
index 0000000..51f2be7
--- /dev/null
+++ b/CAD/Code/bin/setenv.bat
@@ -0,0 +1,13 @@
+@echo off
+REM ~dp0 steht für das Verzeichnis, in der diese Datei liegt 
+pushd %~dp0\..
+
+set PROJECT_DIR=%cd%
+
+set PROJECT_LIB=%PROJECT_DIR%\lib
+set PROJECT_WORK=%PROJECT_DIR%\work
+set PROJECT_DATA=%PROJECT_DIR%\data
+set PROJECT_INPUT=%PROJECT_DIR%\input
+
+popd
+goto :eof
\ No newline at end of file
diff --git a/CAD/Code/data/dummy.asm b/CAD/Code/data/dummy.asm
new file mode 100644
index 0000000..e651758
Binary files /dev/null and b/CAD/Code/data/dummy.asm differ
diff --git a/CAD/Code/data/dummy.cfg b/CAD/Code/data/dummy.cfg
new file mode 100644
index 0000000..2edbded
Binary files /dev/null and b/CAD/Code/data/dummy.cfg differ
diff --git a/CAD/Code/data/dummy.par b/CAD/Code/data/dummy.par
new file mode 100644
index 0000000..ec5b007
Binary files /dev/null and b/CAD/Code/data/dummy.par differ
diff --git a/CAD/Code/lib/create_assemblies.py b/CAD/Code/lib/create_assemblies.py
new file mode 100644
index 0000000..5314795
--- /dev/null
+++ b/CAD/Code/lib/create_assemblies.py
@@ -0,0 +1,111 @@
+import os
+import sys
+import shutil
+import argparse
+import win32com.client
+
+
+def start_solid_edge():
+    """Startet Solid Edge über COM."""
+    print("Starting instance of SolidEdge...")
+    se = win32com.client.Dispatch("SolidEdge.Application")
+    se.Visible = True
+    print("done")
+    return se.Documents
+
+
+def find_placeholder_occurrence(occurrences, placeholder_name):
+    """Sucht die Occurrence mit dem Namen placeholder_name."""
+    for occ in occurrences:
+        filename = os.path.basename(occ.OccurrenceFileName)
+        if filename.lower() == placeholder_name.lower():
+            return occ
+    return None
+
+
+def process_part(par_name, par_path, dummy_asm_path, placeholder_name, work_dir, output_dir, documents):
+    """Kopiert Dummy-ASM, ersetzt Platzhalter mit .par, speichert Ergebnis."""
+    temp_asm = os.path.join(work_dir, "_temp.asm")
+    temp_cfg = os.path.splitext(temp_asm)[0] + ".cfg"
+
+    shutil.copyfile(dummy_asm_path, temp_asm)
+
+    asm_doc = documents.Open(temp_asm)
+    occurrences = asm_doc.Occurrences
+
+    target_occ = find_placeholder_occurrence(occurrences, placeholder_name)
+
+    if not target_occ:
+        print(f"[{par_name}] Placeholder '{placeholder_name}' not found in 'dummy.asm'. Skipping.")
+        asm_doc.Close(False)
+
+        # Cleanup bei Fehler
+        if os.path.exists(temp_asm):
+            os.remove(temp_asm)
+        if os.path.exists(temp_cfg):
+            os.remove(temp_cfg)
+        return
+
+    print(f"[{par_name}] Replacing '{placeholder_name}' with '{par_name}'...")
+    target_occ.Replace(par_path, True)
+
+    ziel_name = os.path.splitext(par_name)[0] + ".asm"
+    ziel_path = os.path.join(output_dir, ziel_name)
+
+    asm_doc.SaveAs(ziel_path)
+    print(f"Saved: {ziel_path}")
+
+    asm_doc.Close(False)
+
+    # Lösche ggf. erzeugte .cfg-Datei zur Ziel-ASM
+    ziel_cfg = os.path.splitext(ziel_path)[0] + ".cfg"
+    if os.path.exists(ziel_cfg):
+        os.remove(ziel_cfg)
+
+    # Lösche temporäre ASM und deren CFG
+    if os.path.exists(temp_asm):
+        os.remove(temp_asm)
+    if os.path.exists(temp_cfg):
+        os.remove(temp_cfg)
+
+
+if __name__ == "__main__":
+    # Argumente parsen
+    parser = argparse.ArgumentParser(description="Solid Edge Occurrence-Replacer")
+    parser.add_argument("--in", dest="input_dir", required=False, help="Path to .par files (Standard: INPUT env or ./input)")
+    parser.add_argument("--out", dest="output_dir", required=False, help="Optional target-directory for .asm files (Standard: ./work)")
+    
+    if len(sys.argv) == 2 and sys.argv[1] in ("-h", "--help"):
+        parser.print_help()
+        sys.exit(0)
+
+    args = parser.parse_args()
+
+    # Umgebungsvariablen & Ordner
+    work_dir = os.environ.get("PROJECT_WORK", "../work")
+    data_dir = os.environ.get("PROJECT_DATA", "./data")
+    input_dir = args.input_dir if args.input_dir else os.environ.get("PROJECT_INPUT", "./input")
+    output_dir = args.output_dir if args.output_dir else work_dir
+
+    os.makedirs(work_dir, exist_ok=True)
+    os.makedirs(output_dir, exist_ok=True)
+
+    dummy_asm_path = os.path.join(data_dir, "dummy.asm")
+    placeholder_name = "dummy.par"
+
+    documents = start_solid_edge()
+
+    par_dateien = [f for f in os.listdir(input_dir) if f.lower().endswith(".par")]
+
+    if not par_dateien:
+        print("No .par-files found in input-directory. Exiting...")
+        exit(1)
+
+    for par_name in par_dateien:
+        par_path = os.path.join(input_dir, par_name)
+        process_part(par_name, par_path, dummy_asm_path, placeholder_name, work_dir, output_dir, documents)
+
+    if output_dir == work_dir:
+        print("\nNo output folder (--out) specified. Files saved into 'work' folder.")
+    else:
+        print("\nAll .par files processed and saved into target folder.")