Dimensional accuracy relates to the deviation of a printed part from the nominal size of the 3D model. The accuracy strongly depends on the selected material and technology.
Please note that accuracy and level of detail are not the same things. The level of detail can be described as the difference in height between two surfaces (e.g. extruded text on a surface).
Accuracy values are listed below and clearly indicated in the Technical specifications on each material page.
| Technology | Material | Accuracy |
| Metal 3D printing |
Aluminum (AlSi10Mg) Titanium (Ti6Al4V) Stainless Steel (SS316L) Inconel (IN718) |
Better than or equal to the industry standards: See design guidelines for more information on standard accuracy. |
| Metal binder jetting | Stainless Steel (420) Bronze Infiltrated | ± 1% (after 2–3% shrinkage compensation) |
| Stainless Steel (316L) | ± 0,5% | |
| Lost Wax Casting |
Brass Bronze Copper Gold Silver |
±5% (with a lower limit of ±0.35 mm) |
| Selective laser sintering |
Bluesint PA12 Off-White PA12 (SLS) White PA-AF (Aluminum Filled) Gray PA-GF Off-White PA 2210 FR Off-White PA 2241 FR Off-White |
±0.3% (with a lower limit of ±0.3 mm) |
| Polypropylene (PP) Off-White | XY: 0.35% (lower limit of 0.35mm) Z: 1.2% (lower limit of 0.5mm) |
|
| Multi Jet Fusion | PA12 (MJF) Gray | ±0.3% (with a lower limit of ±0.3 mm) |
| Ultrasint TPU 90A-01 Gray | ±0.9%(XY) up to ±1.8% (Z) with lower limits on ±1 mm (XY) up to ±1.5 mm (Z)* | |
| Stereolithography |
Poly 1500 Translucent ProtoGen White TuskXC2700T Clear TuskXC2700W White Taurus Gray Xtreme Gray Tusk Somos SolidGrey 3000 Epoxy |
±0.2% (with a lower limit of ±0.2 mm) |
| Fused deposition modeling |
ABS Black / White ABS-M30 Black / White / Blue / Dark gray / Natural / Red ABS-ESD7 Black Polycarbonate White PC-ABS Black Ultem 9085 Beige |
±0.15% (with lower limit on ±0.2 mm) |
| PolyJet |
Vero White / Multicolor VeroClear Agilus Translucent / Black Composite Materials |
0.1 – 0.3 mm (varies depending on geometry, part orientation and print size) |
* Please note that our CAD team will position the parts so that the lowest dimension is positioned in the Z-axis for the best possible result. By selecting the ‘keep orientation’ option, you acknowledge that the general rule described above will not be followed as the the orientation will not be modified by our CAD team.