3D printing is a surprisingly complicated hobby. Those who wish to successfully master the art need to know about the different file types that their digital blueprints can be saved to. Even those who ...

Clean and complete geometry is important for successful 3D printing. A watertight mesh helps reduce common printing problems ...

For a couple of years now, I’ve been trying to find an excuse to buy a decent 3D printer. Friends and fellow Ars staffers who had them would gush about them at every opportunity, talking about how ...