PythreeJS Mesh is not displayed

[gsohler]

Hi,

I have derived the 3D Viewer code from ViewSCAD and it works perfectly fine with the Python3 (ipykernel)

however, when I change to another self-compiled Python kernel, I get this txt instead:

Is there some setup/binding missing ?

What does jupyter make the graphic appear instead of the text ?
Where could i start to debug ?

VBox(children=(HTML(value=''), Renderer(background='#cccc88', background_opacity=0.0, camera=PerspectiveCamera(children=(DirectionalLight(intensity=0.5, position=(24.0, 32.0, 40.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)),), fov=20.0, position=(32.0, 32.0, 32.0), projectionMatrix=(1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 0.0, 1.0)), controls=[OrbitControls(controlling=PerspectiveCamera(children=(DirectionalLight(intensity=0.5, position=(24.0, 32.0, 40.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)),), fov=20.0, position=(32.0, 32.0, 32.0), projectionMatrix=(1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 0.0, 1.0)), target=(0.0, 0.0, 0.0)), Picker(controlling=Mesh(geometry=BufferGeometry(attributes={'position': <BufferAttribute shape=(108, 3), dtype=float32>, 'color': <BufferAttribute shape=(108, 3), dtype=float32>, 'normal': <BufferAttribute shape=(108, 3), dtype=float32>}), material=MeshLambertMaterial(alphaMap=None, aoMap=None, emissiveMap=None, envMap=None, lightMap=None, map=None, specularMap=None, vertexColors='VertexColors'), position=(0.0, 0.0, 0.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)), event='dblclick', face=(0.0, 0.0, 0.0), faceNormal=(0.0, 0.0, 0.0), object=None, point=(0.0, 0.0, 0.0), uv=(0.0, 0.0))], scene=Scene(children=(Mesh(geometry=BufferGeometry(attributes={'position': <BufferAttribute shape=(108, 3), dtype=float32>, 'color': <BufferAttribute shape=(108, 3), dtype=float32>, 'normal': <BufferAttribute shape=(108, 3), dtype=float32>}), material=MeshLambertMaterial(alphaMap=None, aoMap=None, emissiveMap=None, envMap=None, lightMap=None, map=None, specularMap=None, vertexColors='VertexColors'), position=(0.0, 0.0, 0.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)), PerspectiveCamera(children=(DirectionalLight(intensity=0.5, position=(24.0, 32.0, 40.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)),), fov=20.0, position=(32.0, 32.0, 32.0), projectionMatrix=(1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 0.0, 1.0)), AmbientLight(color='#888888', position=(0.0, 0.0, 0.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0))), fog=None, overrideMaterial=None, position=(0.0, 0.0, 0.0), quaternion=(0.0, 0.0, 0.0, 1.0), rotation=(0.0, 0.0, 0.0, 'XYZ'), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)), shadowMap=WebGLShadowMap()), Output()))