diff --git a/Dockerfile b/Dockerfile
index f8bb662..1281c21 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM ubuntu:latest  
+FROM ubuntu:latest 
 RUN apt-get update  
-RUN apt-get install --no-install-recommends --no-install-suggests -y freecad python-vtk6 python-numpy
+RUN apt-get install --no-install-recommends --no-install-suggests -y blender
diff --git a/README.md b/README.md
index a9d3a4a..6e3af98 100644
--- a/README.md
+++ b/README.md
@@ -9,10 +9,7 @@ docker pull jmsgrogan/python-generator
 Launch:
 
 ```bash
-python generate_shape.py <json>
-python apply_texture.py <json>
-python final_render.py <json>
+blender --background --python generate_shape.py -- '{"shape":"cone", "output":"test456"}'
+blender --background --python apply_texture.py -- '{"shape":"cone", "output":"test456", "height":"1.0", "radius":"1.0"}'
+blender --background --python final_render.py -- '{"shape":"cone", "output":"test456", "height":"1.0", "radius":"1.0", "color":"[244,123,123]"}'
 ```
-
-The output for the first two scripts is a file `$prefix_lamp.png` in the launch directory.
-The output for the last script is three files `$prefix_lamp_kitchen.png`, `$prefix_lamp_hall.png`, `$prefix_lamp_landing.png` in the launch directory.