Neat. These optical techniques work wonders. I have really liked the various 2-photon based techniques. https://3dprintingindustry.com/news/nanoscribe-introd

Neat. These optical techniques work wonders. I have really liked the various 2-photon based techniques. https://3dprintingindustry.com/news/nanoscribe-introduces-quantum-x-a-two-photon-3d-printer-for-microoptics-157656/ https://3dprintingindustry.com/news/nanoscribe-introduces-qu... (for example) 2 photon techniques tend to have much higher resolution than noted here. This seems a technique for devices on the macroscale, as compared to the 100nm sorts of resolution for the 2PA based systems.