| Category | Principle | Food materials |
|---|---|---|
| Fused deposition modeling (FDM) | Food material is extruded from the nozzle and deposited at a time | Chocolate, cookie dough, cheese, potato |
| Color jet printing (CJP) | Drop edible binding agent on powder bed | Sugar powder, starch, low viscosity food |
| Selective laser sintering (SLS) & Hot air sintering | Edible powder is melted with a laser (or heat) and then sintered | Powder ingredients such as sugar and starch |
| Binder jetting | Deposition by dropping binder in edible powder | Sugar powder, flour, starch |