The smoothest surface comes from SLA; MJF and SLS surfaces are matte and slightly rough; FDM shows visible layers. Surfaces can be improved with chemical or vibratory polishing, hand sanding and painting.
| Technology | Surface |
|---|---|
| SLA | Smooth, nearly layerless; support marks are sanded off. |
| MJF | Matte, slightly rough, gray. |
| SLS | Smooth, slightly porous. |
| FDM | Visible layer lines. |
All finishing options are listed on the finishing page and in the configurator.
The recommended minimum wall thickness for 3D printing is 0.75 mm (down to 0.5 mm for some designs).…
The smallest recommended hole for 3D printing is about 1–2 mm in diameter; for precise holes (bushings, shafts),…
The most durable thread in a 3D printed part is a metal threaded insert, heat-set into a prepared…
Leave a clearance between separate parts or moving components: MJF and SLS – ≥0.5–1 mm, FDM – 1–2…
MJF and SLS can produce moving assemblies in one piece – hinges, chains, rotating parts – provided you…
For snap-fits choose PA11 or PA12 (MJF/SLS) – they withstand many bending cycles. To prevent breakage, fillet the…