Preliminary Study on the Use of Off-the-Shelf VR Controllers for Vibrotactile Differentiation of Levels of Roughness on Meshes Topics: Advanced User Interfaces; Augmented, Mixed and Virtual Environments; Hardware Technologies for Augmented, Mixed and Virtual Environments In Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 0VISIGRAPP, 334-340, 2020 , Valletta, Malta