The images in this article seem to be renderings of potential 3D items. Here's an article discussing an actual printed 3D reactor from the University of Graz i

The images in this article seem to be renderings of potential 3D items. Here's an article discussing an actual printed 3D reactor from the University of Graz in Austria: http://www.3ders.org/articles/20171226-university-of-graz-uses-3d-printed-steel-reactor-to-convert-greenhouse-gas-into-sleeping-sickness-drug.html http://www.3ders.org/articles/20171226-university-of-graz-us...