PMMA

{
  "id": "MLC-T-ADM-000282",
  "term": "PMMA",
  "field": "Additive manufacturing and 3D printing",
  "definition": "A transparent thermoplastic, polymethyl methacrylate, used as a build material or as a sacrificial material for creating molds. In material jetting, it serves as a build material for producing clear, glass-like prototypes with a smooth surface finish. For investment casting applications, PMMA patterns are printed and then burned out cleanly from a ceramic shell, leaving a cavity for molten metal.",
  "url": "https://mlchart.com/terminology/additive-manufacturing/pmma/"
}