HP has finally produced what they planned with the next generation of 3D printers. Using their 2D inkjet printing technologies and redesigning it for 3D printing, now a 3D printhead can print many dots at the same time, rather than one 3D pixel at a time. This speeds up 3D printing to significant speeds. The biggest weakness of 3D printing is how slow it is. This is now changing.
See some videos about this new technology:
See some videos about this new technology: