diff --git a/.gitattributes b/.gitattributes
index c3d7367..88ff8a2 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,22 @@
+
+# LFS attributes
 icon.png filter=lfs diff=lfs merge=lfs -text
 *.afdesign filter=lfs diff=lfs merge=lfs -text
+# Export ignores, so that these files are ignored when someone installs the
+# plugin from the Godot Asset Library. You can test the changes by
+# running: `git archive`
+/.gitattributes     export-ignore
+/.github            export-ignore
+/.gitignore         export-ignore
+/.gutconfig.json    export-ignore
+/CONTRIBUTING.md    export-ignore
+/default_env.tres   export-ignore
+/demo/              export-ignore
+/icon.png           export-ignore
+/icon.png.import    export-ignore
+/LICENSE            export-ignore
+/project.godot      export-ignore
+/README.md          export-ignore
+/release.sh         export-ignore
+/test/              export-ignore
 . !text !filter !merge !diff
diff --git a/demo.gd b/demo/demo.gd
similarity index 100%
rename from demo.gd
rename to demo/demo.gd
diff --git a/demo.tscn b/demo/demo.tscn
similarity index 95%
rename from demo.tscn
rename to demo/demo.tscn
index b6bf299..ff08aff 100644
--- a/demo.tscn
+++ b/demo/demo.tscn
@@ -3,7 +3,7 @@
 [ext_resource path="res://addons/road-generator/road_point.gd" type="Script" id=1]
 [ext_resource path="res://addons/road-generator/road_network.gd" type="Script" id=2]
 [ext_resource path="res://addons/road-generator/road_texture.material" type="Material" id=3]
-[ext_resource path="res://demo.gd" type="Script" id=4]
+[ext_resource path="res://demo/demo.gd" type="Script" id=4]
 
 [sub_resource type="Curve3D" id=4]
 bake_interval = 0.75
@@ -32,8 +32,8 @@ segments = NodePath("segments")
 transform = Transform( 0.869185, 0, 0.494488, 0, 1, 0, -0.494488, 0, 0.869185, 1.00302, 1.05143, -44.2649 )
 visible = false
 script = ExtResource( 1 )
-lanes = [ 5, 4, 2 ]
 traffic_dir = [ 2, 1, 1 ]
+lanes = [ 5, 4, 2 ]
 lane_width = 8.0
 gutter_profile = Vector2( 0.5, -1 )
 next_pt_init = NodePath("../zero_point")
@@ -41,8 +41,8 @@ next_pt_init = NodePath("../zero_point")
 [node name="zero_point" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( 0.99946, 0, -0.0328762, 0, 1, 0, 0.0328762, 0, 0.99946, 1.24632, -0.662588, -26.304 )
 script = ExtResource( 1 )
-lanes = [ 5, 4, 2 ]
 traffic_dir = [ 2, 1, 1 ]
+lanes = [ 5, 4, 2 ]
 lane_width = 8.0
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../neg1_point")
@@ -51,6 +51,8 @@ next_pt_init = NodePath("../first_point")
 [node name="first_point" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( 0.986726, 0, 0.162396, 0, 1, 0, -0.162396, 0, 0.986726, 1.598, 1.91547, -11.95 )
 script = ExtResource( 1 )
+traffic_dir = [ 2, 2, 1, 1 ]
+lanes = [ 2, 4, 4, 2 ]
 lane_width = 8.0
 gutter_profile = Vector2( 1, -1 )
 prior_pt_init = NodePath("../zero_point")
@@ -61,6 +63,8 @@ next_mag = 20.1777
 [node name="second_point" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( 0.957777, 0, 0.28751, 0, 1, 0, -0.28751, 0, 0.957777, -1.07604, -0.750719, 18.9381 )
 script = ExtResource( 1 )
+traffic_dir = [ 2, 2, 1, 1 ]
+lanes = [ 2, 4, 4, 2 ]
 lane_width = 3.0
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../first_point")
@@ -71,6 +75,8 @@ next_mag = 12.8194
 [node name="third_point" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( 0.797647, 0, 0.603125, 0, 1, 0, -0.603125, 0, 0.797647, 19.2113, -2.51023, 41.4234 )
 script = ExtResource( 1 )
+traffic_dir = [ 2, 2, 1, 1 ]
+lanes = [ 2, 4, 4, 2 ]
 lane_width = 3.0
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../second_point")
@@ -81,6 +87,8 @@ prior_mag = 10.0
 transform = Transform( -0.423789, 0, -0.905761, 0, 1, 0, 0.905761, 0, -0.423789, 50.1599, 0.730894, 39.8696 )
 visible = false
 script = ExtResource( 1 )
+traffic_dir = [ 2, 2, 1, 1 ]
+lanes = [ 2, 4, 4, 2 ]
 lane_width = 3.0
 gutter_profile = Vector2( 0.5, -1 )
 next_pt_init = NodePath("../third_point")
@@ -88,48 +96,49 @@ next_pt_init = NodePath("../third_point")
 [node name="disc_1" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.944141, 0, -0.329542, 0, 1, 0, 0.329542, 0, -0.944141, 36.0962, 1.05143, -36.5026 )
 script = ExtResource( 1 )
-lanes = [ 7, 0, 7 ]
 traffic_dir = [ 2, 1, 0 ]
+lanes = [ 7, 0, 7 ]
 gutter_profile = Vector2( 0.5, -1 )
 next_pt_init = NodePath("../disc_2")
 
 [node name="disc_2" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.957722, 0, 0.287695, 0, 1, 0, -0.287695, 0, -0.957722, 32.8482, 1.05143, -51.404 )
 script = ExtResource( 1 )
-lanes = [ 7, 0, 7 ]
 traffic_dir = [ 2, 1, 0 ]
+lanes = [ 7, 0, 7 ]
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../disc_1")
 
 [node name="disc_3" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.963482, 0, -0.267776, 0, 1, 0, 0.267776, 0, -0.963482, 62.9694, -0.150141, -34.5682 )
 script = ExtResource( 1 )
-auto_lanes = false
 traffic_dir = [ 2, 2, 1, 1, 0 ]
+auto_lanes = false
+lanes = [ 2, 4, 4, 2 ]
 gutter_profile = Vector2( 0.5, -1 )
 next_pt_init = NodePath("../disc_4")
 
 [node name="disc_4" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.989111, 0, -0.14717, 0, 1, 0, 0.14717, 0, -0.989111, 58.3664, 0.80562, -52.8625 )
 script = ExtResource( 1 )
-lanes = [ 2, 4, 4, 3, 2 ]
 traffic_dir = [ 2, 2, 1, 1, 1 ]
+lanes = [ 2, 4, 4, 3, 2 ]
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../disc_3")
 
 [node name="disc_5" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.963482, 0, -0.267776, 0, 1, 0, 0.267776, 0, -0.963482, 54.782, -0.542746, 14.9732 )
 script = ExtResource( 1 )
-lanes = [ 2, 4, 4, 3, 2 ]
 traffic_dir = [ 2, 2, 1, 1, 1 ]
+lanes = [ 2, 4, 4, 3, 2 ]
 gutter_profile = Vector2( 0.5, -1 )
 next_pt_init = NodePath("../disc_6")
 
 [node name="disc_6" type="Spatial" parent="RoadNetwork/points"]
 transform = Transform( -0.989111, 0, -0.14717, 0, 1, 0, 0.14717, 0, -0.989111, 50.8614, 0.0695984, -3.32112 )
 script = ExtResource( 1 )
-lanes = [ 2, 4, 4, 3, 2 ]
 traffic_dir = [ 2, 2, 1, 1, 1 ]
+lanes = [ 2, 4, 4, 3, 2 ]
 gutter_profile = Vector2( 0.5, -1 )
 prior_pt_init = NodePath("../disc_5")