Device for generating a model (810, 810a, 810b) of an object (812, 812a, 812b) with superposition image data in a virtual environment, the device comprising: an image capturing element configured to generate, in a mode of operation, an image data stream of the object; a calculating unit configured to extract, from the image data stream, a model of the object from a real environment, to insert the extracted model into the virtual environment, and to superpose at least part of the model with superposition image data so as to generate the model of the object with superposition image data in the virtual environment; and a display element configured to display the model of the object with superposition image data in the virtual environment; wherein the image capturing element is configured, during the initialization phase, to scan a person's area of the eyes or a face as the object and to store it as superposition image data, wherein the calculating unit is configured to superpose, in the mode of operation, smart glasses worn by the person with the superposition images acquired during the initialization phase, wherein the calculating unit is configured to adapt the area of the eyes or the face in the superposition image data on the basis of the person's frame of mind and to superpose it with the adapted superposition image data of the person, and wherein the image capturing unit is configured to create a plurality of superposition image data, wherein the calculating unit is configured to compare the current position of the person's corners of the mouth with a position of the corners of the mouth in the plurality of superposition image data and to therefore select that superposition image which renders the current facial expression in the best manner possible. an image capturing element configured to generate, in a mode of operation, an image data stream of the object; a calculating unit configured to extract, from the image data stream, a model of the object from a real environment, to insert the extracted model into the virtual environment, and to superpose at least part of the model with superposition image data so as to generate the model of the object with superposition image data in the virtual environment; and a display element configured to display the model of the object with superposition image data in the virtual environment; wherein the image capturing element is configured, during the initialization phase, to scan a person's area of the eyes or a face as the object and to store it as superposition image data, wherein the calculating unit is configured to superpose, in the mode of operation, smart glasses worn by the person with the superposition images acquired during the initialization phase, wherein the calculating unit is configured to adapt the area of the eyes or the face in the superposition image data on the basis of the person's frame of mind and to superpose it with the adapted superposition image data of the person, and wherein the image capturing unit is configured to create a plurality of superposition image data, wherein the calculating unit is configured to compare the current position of the person's corners of the mouth with a position of the corners of the mouth in the plurality of superposition image data and to therefore select that superposition image which renders the current facial expression in the best manner possible.