diff --git a/matrixmania/__init__.py b/matrixmania/__init__.py
index c812c86..c71701f 100644
--- a/matrixmania/__init__.py
+++ b/matrixmania/__init__.py
@@ -1 +1 @@
-from .compute import matmul, transpose, rot_2D, rot_3D
\ No newline at end of file
+from .compute import matmul, transpose, rot_2D, rot_3D , project_ortho
\ No newline at end of file
diff --git a/tests/test_projection.py b/tests/test_projection.py
index 8715041..dfee0a5 100644
--- a/tests/test_projection.py
+++ b/tests/test_projection.py
@@ -1 +1,11 @@
 from matrixmania import project_ortho
+
+def test_projection():
+    point =  (1.0, 2.0, 3.0)
+    scale = 100
+    result1 = project_ortho(point, scale)
+    result2 = project_ortho(point)
+
+    assert result1 == (100, 200)
+    assert result2 == (1, 2)
+