diff --git a/CpicImgSim/__init__.py b/CpicImgSim/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..0cbda0bb59c42f7f5b627ebd9c46bf7dfe71cc31
--- /dev/null
+++ b/CpicImgSim/__init__.py
@@ -0,0 +1,19 @@
+from .main import quick_run, observation_simulation
+from .optics import make_focus_image, focal_mask
+from .target import star_photlam, planet_contrast, extract_target_x_y, spectrum_generator
+from .camera import EMCCD, CosmicRayFrameMaker, sky_frame_maker
+from .config import __version__
+
+__all__ = [
+    "EMCCD",
+    "CosmicRayFrameMaker",
+    "sky_frame_maker",
+    "star_photlam",
+    "planet_contrast",
+    "extract_target_x_y",
+    "spectrum_generator",
+    "make_focus_image",
+    "focal_mask",
+    "quick_run",
+    "observation_simulation"
+]
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