In the industry, this is done using extremely high-powered laser cutters, plasma cutters, or water jet cutters. All of which are very pricey equipment for a hacker. Until now anyway. Introducing ...

It seems to be floating on a plastic platform, and because the design allows the water-jet cutting head to remain entirely fixed, only a small hole underneath is necessary, which doubtless ...

With the abrasive water jet, erosive quartz sand particles are added by a special mixing nozzle that then cuts the material like a diamond wire saw. The development of the cutting programmes as well ...