Welcome to the forum! The layer height is the thickness of each layer that the printer lays down. For FDM (Fused Deposition Modeling), layer heights are typically between 0.1 to 0.3 mm, although they can go finer. Lower layer heights give you finer detail but at the cost of longer print times and potentially more failures.

As for SLA, the printers typically have finer layer heights compared to FDM, often ranging from 0.025 to 0.1 mm. SLA works by curing resin with a laser or light source, so it can achieve very fine details.

Absolutely, happy to help! Choosing the right layer thickness for FDM really depends on your specific goals for the prototype:

• 0.1 mm or 100 µm (Fine) –for high-detail prints with more intricate details and superior finish quality, but with longer print times
• 0.2 or 200 µm (Standard) – it is a quite balanced option between speed and detail, and it’s suitable for a large variety of prints
• 0.3 or 300 µm (Economy) – this is the fastest option, where speed is clearly prioritized, but the layer lines will be much more visible. But it is suitable for rough prototypes

Hope this helps!