diff --git a/installatie_ocp_vscode-viewer.md b/installatie_ocp_vscode-viewer.md
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+## Installatie build123d en ocp_vscode viewer
+  
+### Start de virtuele omgeving
+`source /home/h3n3/CAD/.ocp_venv/bin/activate`
+  
+### Download de viewer
+  
+`wget https://github.com/bernhard-42/vscode-ocp-cad-viewer/releases/download/v2.6.1/ocp_vscode-2.6.1-py3-none-any.whl`
+  
+### Installeer de programma's
+  
+`pip install build123d`  
+`pip install ocp_vscode-2.6.1-py3-none-any.whl`  
+  
+### Start de viewer
+`python -m ocp_vscode`  
+  
+Open in een browser http://localhost:3939/viewer  
+  
+Start de tekening:  
+`python de_tekening.py`  
diff --git a/oefening01.py b/oefening01.py
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+++ b/oefening01.py
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+from ocp_vscode import *
+from build123d import *
+set_port(3939)
+
+b = Box(1,2,3)
+
+show(b)