| Word | Description |
| Acronyms | RP – Rapid Prototyping LS – Laser Sintering (see also SLS) SLA – Stereolithography FDM – Fused Deposition Modeling 3DP – 3D Printing CNC – Computer Numeric Control CAD – Computer Aided Design CAM – Computer Aided Manufacturing .STL – Stereolithography File RTV- Room Temperature Vulcanize (see also RTV Mold / Urethane Casting) CMM – Coordinate Measuring Machine RFQ – Request for quotation |
| Ash Content | The amount of residue when a master pattern is burned out during investment casting. Masters with high ash content require a time consuming flushing process. |