```python
import nglview

view = nglview.NGLWidget()
view
```


    A Jupyter Widget



```python
code = """
var shape = new NGL.Shape('my_shape');
shape.addSphere([0.0, 0.0, 0.0], [0,0,1], 10.0)

var shapeComp = this.stage.addComponentFromObject(shape);
buffer = shapeComp.addRepresentation("buffer");
buffer.setParameters({'opacity': 0.5})
"""
```


```python
view._execute_js_code(code)
```