A start-up in Vienna has developed a 3D-printing technique allowing to print objects as small as 200 nanometres. A collaboration between TU Wien in Austria and UpNano, a 3D printing spin-out from the university, has found a way to create objects on the nanoscale.

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Among a number of test examples, the engineers were able to print a castle on top of a pencil tip that you would easily miss with the naked eye. This was the first time that it has been done for material characterisation at ISO standards, allowing for 3D-printed objects at a size of just 200 nanometres. This was achieved using UpNano’s NanoOne printer. Previously it was considered impossible to print specimens at the size necessary for ISO tests with a photopolymer and a two-photon polymerisation (2PP) 3Dprinter that, at the same time, is able to achieve a […]

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