A method for constructing a stereoscopic three dimensional data item in a bendable device, the method comprising: determining, by the bendable device, a target inter-axial distance between two imaging sensors of the bendable device based on a biometric, wherein: the biometric is a distance between a left eye of a user and a right eye of the user, a first imaging sensor of the two imaging sensors is disposed on a first display of the bendable device, a second imaging sensor of the two imaging sensors is disposed on a second display of the bendable device, and the first and second foldable displays are connected with a hinge such that a variable bending angle is formed between the displays; determining, by the bendable device, a target bending angle of the bendable device based on the target inter-axial distance; and constructing, by the bendable device, the 3D data item using the target bending angle of the bendable device by capturing images of a scene using each of the two imaging sensors while the variable bending angle is at the target bending angle, wherein constructing the 3D data item using the target bending angle comprises: determining a personalized biometric associated with the eyes of the user, wherein the personalized biometric associated with the eyes is specific to the user; identifying three imaging sensors to be used for constructing the 3D data item based on the personalized biometric associated with the eyes of the user and a generalized biometric, wherein the generalized biometric is an average of the biometric associated with the eyes of a plurality of users, and the three imaging sensors comprises the two imaging sensors to be used for constructing the 3D data item based on the personalized biometric and a further imaging sensor to be used in combination with one of the two imaging sensors for constructing the 3D data item based on the generalized biometric; and selecting the three imaging sensors for constructing the 3D data item using the target bending angle. the biometric is a distance between a left eye of a user and a right eye of the user, a first imaging sensor of the two imaging sensors is disposed on a first display of the bendable device, a second imaging sensor of the two imaging sensors is disposed on a second display of the bendable device, and the first and second foldable displays are connected with a hinge such that a variable bending angle is formed between the displays; determining, by the bendable device, a target bending angle of the bendable device based on the target inter-axial distance; and constructing, by the bendable device, the 3D data item using the target bending angle of the bendable device by capturing images of a scene using each of the two imaging sensors while the variable bending angle is at the target bending angle, wherein constructing the 3D data item using the target bending angle comprises: determining a personalized biometric associated with the eyes of the user, wherein the personalized biometric associated with the eyes is specific to the user; identifying three imaging sensors to be used for constructing the 3D data item based on the personalized biometric associated with the eyes of the user and a generalized biometric, wherein the generalized biometric is an average of the biometric associated with the eyes of a plurality of users, and the three imaging sensors comprises the two imaging sensors to be used for constructing the 3D data item based on the personalized biometric and a further imaging sensor to be used in combination with one of the two imaging sensors for constructing the 3D data item based on the generalized biometric; and selecting the three imaging sensors for constructing the 3D data item using the target bending angle. determining a personalized biometric associated with the eyes of the user, wherein the personalized biometric associated with the eyes is specific to the user; identifying three imaging sensors to be used for constructing the 3D data item based on the personalized biometric associated with the eyes of the user and a generalized biometric, wherein the generalized biometric is an average of the biometric associated with the eyes of a plurality of users, and the three imaging sensors comprises the two imaging sensors to be used for constructing the 3D data item based on the personalized biometric and a further imaging sensor to be used in combination with one of the two imaging the generalized biometric is an average of the biometric associated with the eyes of a plurality of users, and the three imaging sensors comprises the two imaging sensors to be used for constructing the 3D data item based on the personalized biometric and a further imaging sensor to be used in combination with one of the two imaging sensors for constructing the 3D data item based on the generalized biometric; and selecting the three imaging sensors for constructing the 3D data item using the target bending angle.