diff --git a/model.py b/conv3d/model.py
similarity index 100%
rename from model.py
rename to conv3d/model.py
diff --git a/obj.py b/conv3d/obj.py
similarity index 96%
rename from obj.py
rename to conv3d/obj.py
index a398bad..c1c941c 100644
--- a/obj.py
+++ b/conv3d/obj.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-from model import ModelParser, Exporter, Vertex, TexCoord, Normal, FaceVertex, Face
+from .model import ModelParser, Exporter, Vertex, TexCoord, Normal, FaceVertex, Face
 from functools import reduce
 
 class OBJParser(ModelParser):
diff --git a/ply.py b/conv3d/ply.py
similarity index 97%
rename from ply.py
rename to conv3d/ply.py
index c4c93a6..7f09924 100644
--- a/ply.py
+++ b/conv3d/ply.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-from model import ModelParser, Exporter, Vertex, Face, FaceVertex
+from .model import ModelParser, Exporter, Vertex, Face, FaceVertex
 
 class PLYParser(ModelParser):
 
diff --git a/obj2ply.py b/obj2ply.py
index 3c782c7..99342ed 100755
--- a/obj2ply.py
+++ b/obj2ply.py
@@ -3,8 +3,8 @@
 import argparse
 import os
 
-from obj import OBJParser
-from ply import PLYExporter
+from conv3d.obj import OBJParser
+from conv3d.ply import PLYExporter
 from functools import partial
 
 def check_path(path, should_exist):
diff --git a/ply2obj.py b/ply2obj.py
index 1a64e0c..03e4b56 100755
--- a/ply2obj.py
+++ b/ply2obj.py
@@ -3,8 +3,8 @@
 import argparse
 import os
 
-from obj import OBJExporter
-from ply import PLYParser
+from conv3d.obj import OBJExporter
+from conv3d.ply import PLYParser
 from functools import partial
 
 def check_path(path, should_exist):