| Word | Description |
| Beam Diamter | Is the actual diameter of the laser beam that cures the resin at the vat. The finer the beam diameter the better the resolution and part accuracy |
| Bounding Box | Is the measurement of the part overall largest dimensions. It is typically given in XYZ format where: "X" is the lenght "Y" is the width "Z" is the height |
| Bridge Tooling | Relating to molds or dies intended to fill demand between early prototype, or soft tooling, and production tooling. |
| Build Envelope | Measurement of the machines part size limitations given by the X, Y and Z axes. |
| Build Time | Length of time for the physical construction of a rapid prototype, excluding preparation and post processing time. Also known as run time. |