diff --git a/torchworld/transforms/test_sfm.py b/torchworld/transforms/test_sfm.py
index ff4ab3d..9990247 100644
--- a/torchworld/transforms/test_sfm.py
+++ b/torchworld/transforms/test_sfm.py
@@ -1,13 +1,58 @@
 import unittest
 
 import torch
+from torch import nn
+from torch.export import export
 
 from torchworld.structures.cameras import PerspectiveCameras
 from torchworld.structures.grid import GridImage
 from torchworld.transforms.sfm import project
 
 
+class MyModel(nn.Module):
+    def __init__(self) -> None:
+        super().__init__()
+
+        self.device = torch.device("cpu")
+        self.dtype: torch.dtype = torch.float32
+
+        self.camera = PerspectiveCameras(device=self.device)
+        self.mask: torch.Tensor = torch.ones(
+            2, 1, 4, 6, device=self.device, dtype=self.dtype
+        )
+
+    def forward(self, data: torch.Tensor) -> torch.Tensor:
+        src = GridImage(
+            data=data,
+            camera=self.camera,
+            time=torch.rand(2, device=self.device),
+            mask=self.mask,
+        )
+        depth = GridImage(
+            data=torch.ones(2, 1, 4, 6, device=self.device, dtype=self.dtype),
+            camera=self.camera,
+            time=torch.rand(2, device=self.device),
+            mask=self.mask,
+        )
+        vel = GridImage(
+            data=torch.zeros(2, 3, 4, 6, device=self.device, dtype=self.dtype),
+            camera=self.camera,
+            time=torch.rand(2, device=self.device),
+            mask=self.mask,
+        )
+        return project(dst=src, src=src, depth=depth, vel=vel).data
+
+
 class TestSFM(unittest.TestCase):
+    def test_export(self) -> None:
+        data = torch.ones(2, 3, 4, 6)
+        model = MyModel()
+        model(data)
+        exported = export(model, args=(data,))
+        self.assertIsNotNone(exported)
+        print(exported)
+        self.fail()
+
     def test_project(self) -> None:
         device = torch.device("cpu")
         dtype = torch.float32