diff --git a/core/dto/__init__.py b/core/dto/__init__.py
index 650a187..be1cd38 100644
--- a/core/dto/__init__.py
+++ b/core/dto/__init__.py
@@ -1,4 +1,4 @@
-"""data_models module content."""
+"""Data transfer objects module content."""
 from __future__ import annotations
 
 from .angle import AngleData
@@ -9,6 +9,7 @@ from .information_value import InformationValueData
 from .modality_color import ModalityColorData
 from .modality_depth import ModalityDepthData
 from .modality_lighting import ModalityLightingData
+from .model_data import ModelData
 from .point_of_view import PointOfViewData
 from .salience import SalienceData
 from .visual_syntax import VisualSyntaxData
diff --git a/core/dto/model_data.py b/core/dto/model_data.py
new file mode 100644
index 0000000..157f788
--- /dev/null
+++ b/core/dto/model_data.py
@@ -0,0 +1,82 @@
+"""Definition of ModelData data model."""
+from __future__ import annotations
+
+from .angle import AngleData
+from .contact import ContactData
+from .data_model import DataModel
+from .distance import DistanceData
+from .framing import FramingData
+from .information_value import InformationValueData
+from .modality_color import ModalityColorData
+from .modality_depth import ModalityDepthData
+from .modality_lighting import ModalityLightingData
+from .point_of_view import PointOfViewData
+from .salience import SalienceData
+from .visual_syntax import VisualSyntaxData
+
+
+class ModelData(DataModel):
+    """ModelData model for data IO with combined ML model."""
+    visual_syntax: VisualSyntaxData
+    contact: ContactData
+    angle: AngleData
+    point_of_view: PointOfViewData
+    distance: DistanceData
+    modality_lighting: ModalityLightingData
+    modality_color: ModalityColorData
+    modality_depth: ModalityDepthData
+    information_value: InformationValueData
+    framing: FramingData
+    salience: SalienceData
+
+    @classmethod
+    def from_random(cls) -> ModelData:
+        """Instantiate with random numbers."""
+        kwargs = {
+            field: field_info.annotation.from_random()  # type: ignore
+            for field, field_info
+            in cls.model_fields.items()
+        }
+        return cls(**kwargs)
+
+    @classmethod
+    def from_annotations(
+        cls,
+        visual_syntax: str,
+        contact: str,
+        angle: str,
+        point_of_view: str,
+        distance: str,
+        modality_lighting: str,
+        modality_color: str,
+        modality_depth: str,
+        information_value: str,
+        framing: str,
+        salience: str,
+    ) -> ModelData:
+        """Instantiate from annotation."""
+        kwargs = {
+            'visual_syntax': VisualSyntaxData
+            .from_choice(visual_syntax),
+            'contact': ContactData
+            .from_choice(contact),
+            'angle': AngleData
+            .from_choice(angle),
+            'point_of_view': PointOfViewData
+            .from_choice(point_of_view),
+            'distance': DistanceData
+            .from_choice(distance),
+            'modality_lighting': ModalityLightingData
+            .from_choice(modality_lighting),
+            'modality_color': ModalityColorData
+            .from_choice(modality_color),
+            'modality_depth': ModalityDepthData
+            .from_choice(modality_depth),
+            'information_value': InformationValueData
+            .from_choice(information_value),
+            'framing': FramingData
+            .from_choice(framing),
+            'salience': SalienceData
+            .from_choice(salience),
+        }
+        return cls(**kwargs)