I think  todays technology offers more than that and this is where „CopKa” came into place  3 years ago CopKa is a project funded by the BMWi (Federal ministry of economy) for three years (2015-2018) (grant number 50YB1523) with the project partners Technical University of Munich (Institute of Space Technology)  IMST GmbH  LSE Space GmbH  and the German Aerospace Center as the project promoter