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import k3d

origins = [1.0, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
vectors = [1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0]
colors = [0xff0000, 0x0000ff, 0x0000ff, 0xff0000, 0x0000ff, 0xff0000]

plot = k3d.plot()
vectors = k3d.vectors(origins, vectors, colors=colors, labels=[], label_size=1.5)
plot += vectors
plot.display()
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vectors.labels = ['aa', 'bb', 'cc']
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vectors.labels = []
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vectors.head_size = 3.0
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