diff --git a/src/vbl_aquarium/models/pinpoint.py b/src/vbl_aquarium/models/pinpoint.py
index 44b34a8..84eee39 100644
--- a/src/vbl_aquarium/models/pinpoint.py
+++ b/src/vbl_aquarium/models/pinpoint.py
@@ -16,3 +16,11 @@ class CraniotomyModel(VBLBaseModel):
 class CraniotomyGroup(VBLBaseModel):
     atlas: str
     data: list[CraniotomyModel]
+
+
+
+# TRANSFORM
+
+class AffineTransformModel(VBLBaseModel):
+    scaling: Vector3
+    rotation: Vector3
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