Any processing to 3D printed parts that occurs after the printing process itself, such as support removal, heat treating, hot isostatic pressing and polishing.
For any powder bed fusion or binder jetting AM process, the powder bed is the area within the build chamber where powder is deposited, spread, and melted in layers.
The mixture of powder used during 3D printing (powder bed or binder jetting), where the powder elements come either from multiple lots or from used/recycled powder.
The working area of a 3D printing machine, which defines the maximum dimensions of printed parts.
Parts or assemblies manufactured prior to production, used to review aesthetics and conduct performance tests, and provide input for future design iterations.