Researchers have found special atomic patterns called quasicrystals in 3D-printed aluminum alloys. Quasicrystals increase the strength of 3D-printed aluminum, the researchers discovered, making it ...

Then you'll need to use a step drill for accuracy and to stop the metal snagging or tearing. Edges are shaped and flattened by cross filing, smoothed by draw filing and softened using an emery cloth.

It helps make things clearer when you start cutting your metal. And you're ready to start cutting. Check out 'Explain This… Cutting a shape from metal' for what to do next. This short film ...