diff --git a/pddl/helper/fs.py b/pddl/helper/fs.py
new file mode 100644
index 0000000..2030e73
--- /dev/null
+++ b/pddl/helper/fs.py
@@ -0,0 +1,15 @@
+import os
+import json
+
+class FS:
+    def readJSON(path:str):
+       return json.loads((open(path)).read())
+
+    def writeFile(data, filePath, fileName):
+
+        file_to_open = filePath + fileName
+
+        f = open(file_to_open, 'w', )
+
+        f.write(data)
+
diff --git a/pddl/main.py b/pddl/main.py
new file mode 100644
index 0000000..68ff3a9
--- /dev/null
+++ b/pddl/main.py
@@ -0,0 +1,27 @@
+import argparse
+from helper.fs import FS
+from src.model.asm4_structure import Asm4Structure
+
+from src.usecases.asm4_to_assembly_use_case import Asm4ToAssemblyUseCase
+from src.usecases.assembly_to_pddl_use_case import AssemblyToPddlUseCase
+ 
+ 
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--asm4Path', help='asm4 json FreeCad')
+    parser.add_argument('--outPath', help='save pddl path')
+    args = parser.parse_args()
+    
+    if args.asm4Path == None or args.outPath == None:
+        parser.print_help()
+    
+    data = FS.readJSON(args.asm4Path)
+    asm4 = Asm4Structure.parse(data)
+    asm4usecase = Asm4ToAssemblyUseCase().call(asm4)
+    assemblyToPddlUseCase = AssemblyToPddlUseCase.call(assembly=asm4usecase['asm'],rootLabel=asm4usecase['rootLabel'])
+    FS.writeFile(assemblyToPddlUseCase['problem'] ,args.outPath, 'problem.pddl')
+    FS.writeFile(assemblyToPddlUseCase['domain'] ,args.outPath, 'domain.pddl')
+    
+    
\ No newline at end of file
diff --git a/pddl/mocks/asm4-mock.json b/pddl/mocks/asm4-mock.json
new file mode 100644
index 0000000..3178ba2
--- /dev/null
+++ b/pddl/mocks/asm4-mock.json
@@ -0,0 +1,86 @@
+[
+    {
+        "level": 1,
+        "attachedTo": "Parent Assembly",
+        "label": "Model",
+        "axis": [
+            "LCS_Origin"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "Parent Assembly",
+            "LCS_Origin"
+        ],
+        "label": "CubePart001",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "CubePart001",
+            "LCS_0"
+        ],
+        "label": "CubePart002",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "CubePart001",
+            "LCS_0"
+        ],
+        "label": "CubePart003",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            ""
+        ],
+        "label": "CubePart004",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "CubePart001",
+            "LCS_0"
+        ],
+        "label": "CubePart005",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "CubePart005",
+            "LCS_0"
+        ],
+        "label": "CubePart006",
+        "axis": [
+            "LCS_0"
+        ]
+    },
+    {
+        "level": 1,
+        "attachedTo": [
+            "CubePart006",
+            "LCS_0"
+        ],
+        "label": "CubePart007",
+        "axis": [
+            "LCS_0"
+        ]
+    }
+]
\ No newline at end of file
diff --git a/pddl/requirements.txt b/pddl/requirements.txt
new file mode 100644
index 0000000..586ed6d
--- /dev/null
+++ b/pddl/requirements.txt
@@ -0,0 +1,2 @@
+argparse
+unified_planning
\ No newline at end of file
diff --git a/pddl/src/model/asm4_structure.py b/pddl/src/model/asm4_structure.py
new file mode 100644
index 0000000..308cd77
--- /dev/null
+++ b/pddl/src/model/asm4_structure.py
@@ -0,0 +1,90 @@
+from typing import Optional, List, Union, Any, TypeVar, Callable, Type, cast
+
+
+T = TypeVar("T")
+
+
+def from_int(x: Any) -> int:
+    assert isinstance(x, int) and not isinstance(x, bool)
+    return x
+
+
+def from_none(x: Any) -> Any:
+    assert x is None
+    return x
+
+
+def from_union(fs, x):
+    for f in fs:
+        try:
+            return f(x)
+        except:
+            pass
+    assert False
+
+
+def from_list(f: Callable[[Any], T], x: Any) -> List[T]:
+    assert isinstance(x, list)
+    return [f(y) for y in x]
+
+
+def from_str(x: Any) -> str:
+    assert isinstance(x, str)
+    return x
+
+
+def to_class(c: Type[T], x: Any) -> dict:
+    assert isinstance(x, c)
+    return cast(Any, x).to_dict()
+
+
+class Asm4Structure:
+    level: Optional[int]
+    attached_to: Optional[Union[List[str], str]]
+    label: Optional[str]
+    axis: Optional[List[str]]
+
+    def __init__(self, level: Optional[int], attached_to: Optional[Union[List[str], str]], label: Optional[str], axis: Optional[List[str]]) -> None:
+        self.level = level
+        self.attached_to = attached_to
+        self.label = label
+        self.axis = axis
+
+    @staticmethod
+    def from_dict(obj: Any) -> 'Asm4Structure':
+        assert isinstance(obj, dict)
+        level = from_union([from_int, from_none], obj.get("level"))
+        attached_to = from_union([lambda x: from_list(from_str, x), from_str, from_none], obj.get("attachedTo"))
+        label = from_union([from_str, from_none], obj.get("label"))
+        axis = from_union([lambda x: from_list(from_str, x), from_none], obj.get("axis"))
+        return Asm4Structure(level, attached_to, label, axis)
+
+    def to_dict(self) -> dict:
+        result: dict = {}
+        if self.level is not None:
+            result["level"] = from_union([from_int, from_none], self.level)
+        if self.attached_to is not None:
+            result["attachedTo"] = from_union([lambda x: from_list(from_str, x), from_str, from_none], self.attached_to)
+        if self.label is not None:
+            result["label"] = from_union([from_str, from_none], self.label)
+        if self.axis is not None:
+            result["axis"] = from_union([lambda x: from_list(from_str, x), from_none], self.axis)
+        return result
+    def parse(data) -> List['Asm4Structure']:
+        structure:list = []
+
+        for i in data:
+            structure.append(Asm4Structure(
+                label=i['label'],
+                level=i['level'],
+                attached_to=i['attachedTo'],
+                axis=i['axis']
+            ))
+        return structure
+
+def asm4_structures_from_dict(s: Any) -> List[Asm4Structure]:
+    return from_list(Asm4Structure.from_dict, s)
+
+
+def asm4_structures_to_dict(x: List[Asm4Structure]) -> Any:
+    return from_list(lambda x: to_class(Asm4Structure, x), x)
diff --git a/pddl/src/usecases/asm4_to_assembly_use_case.py b/pddl/src/usecases/asm4_to_assembly_use_case.py
new file mode 100644
index 0000000..a1b0ecd
--- /dev/null
+++ b/pddl/src/usecases/asm4_to_assembly_use_case.py
@@ -0,0 +1,19 @@
+from src.model.asm4_structure import Asm4Structure 
+from typing import List 
+ 
+
+
+class Asm4ToAssemblyUseCase:
+    _asm4Assembly = []
+    def call(self,asm4:List[Asm4Structure] ):
+        rootPart = asm4[0]
+        self._asm4Assembly.append(rootPart.label)
+        for el in asm4[1:asm4.__len__()]:
+            self.parse(lead=el)
+        return {'asm':self._asm4Assembly[1:self._asm4Assembly.__len__()],'rootLabel':rootPart.label}
+    def parse(self,lead:Asm4Structure ):
+        if lead.attached_to[0] == 'Parent Assembly':
+            self._asm4Assembly.append(lead.label)
+        for i in self._asm4Assembly:
+            if i == lead.attached_to[0]:
+                self._asm4Assembly.append(lead.label)
\ No newline at end of file
diff --git a/pddl/src/usecases/assembly_to_pddl_use_case.py b/pddl/src/usecases/assembly_to_pddl_use_case.py
new file mode 100644
index 0000000..f1bfe9b
--- /dev/null
+++ b/pddl/src/usecases/assembly_to_pddl_use_case.py
@@ -0,0 +1,37 @@
+from typing import List
+from unified_planning.shortcuts import *
+from unified_planning import *
+
+
+class AssemblyToPddlUseCase:
+    def call(assembly: List[str], rootLabel: str):
+        partType = UserType("part")
+        assemblyType = UserType('assembly')
+
+        objectsPartPddl = []
+        objectsAsmToPddl = []
+
+        i = 0
+        for el in assembly:
+            objectsPartPddl.append(Object(el, partType))
+
+        problem = Problem(rootLabel)
+
+        for el in objectsPartPddl:
+            problem.add_object(el)
+        i = 0
+        for el in objectsPartPddl:
+            problem.add_object(Object('subasm' + str(i), assemblyType))
+            objectsAsmToPddl.append(Object('subasm' + str(i), assemblyType))
+            i = i+1
+
+        connected = Fluent('part-of', BoolType(),
+                           l_from=partType, l_to=assemblyType)
+        i = 0
+        for el in objectsPartPddl:
+            problem.set_initial_value(connected(el, objectsAsmToPddl[i]), True)
+            i = i+1
+        goal = Fluent(rootLabel)
+        problem.add_goal(connected(objectsPartPddl[objectsPartPddl.__len__(
+        ) - 1], objectsAsmToPddl[objectsAsmToPddl.__len__() - 1]),)
+        return {"problem": unified_planning.io.PDDLWriter(problem).get_problem(), 'domain': unified_planning.io.PDDLWriter(problem).get_domain()}
diff --git a/pddl/unit.test.py b/pddl/unit.test.py
new file mode 100644
index 0000000..c883c48
--- /dev/null
+++ b/pddl/unit.test.py
@@ -0,0 +1,28 @@
+import unittest
+from src.usecases.asm4_to_assembly_use_case import Asm4ToAssemblyUseCase
+from src.usecases.assembly_to_pddl_use_case import AssemblyToPddlUseCase
+from src.model.asm4_structure import Asm4Structure
+ 
+from helper.fs import FS
+import os
+
+
+mock = FS.readJSON(os.path.dirname(os.path.realpath(__file__)) + '/mocks/asm4-mock.json')
+
+asm4 = Asm4Structure.parse(mock)
+ 
+
+asm4usecase = Asm4ToAssemblyUseCase().call(asm4)
+assemblyToPddl =  AssemblyToPddlUseCase.call(assembly=asm4usecase['asm'],rootLabel=asm4usecase['rootLabel'])
+
+ 
+class TestStringMethods(unittest.TestCase):
+    def test_problem(self):
+        self.assertIsInstance(assemblyToPddl["problem"], str)
+    def test_domain(self):
+        self.assertIsInstance(assemblyToPddl["domain"], str)
+    
+      
+
+if __name__ == '__main__':
+    unittest.main()