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The augmented Reality aims to enhance the view of the user by adding objects that were not perceptible a priori. One of its fields of application is e-learning, it can be used to create applications for educational purposes, instructive and illustrative in the field of education and in particular to enable a distant teacher to do real time synchronous illustrations. In this paper, we propose a 3D pattern that is a dodecahedron whose faces are markers of the ARToolkit library that are black square with a motif on the inside. This pattern has the advantage of being more robust to the orientation change and allows a distant teacher in e-learning to enhance it with 3D virtual objects.