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Comparison guide

FDM vs SLS for technical plastic parts

FDM and SLS both produce functional plastic parts, but they win in different situations.

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Summary

FDM and SLS both produce functional plastic parts, but they win in different situations.

  • FDM is often strong for larger parts, fixtures and low to mid-size batches.
  • SLS is strong for complex geometry, many small parts and nylon parts without support marks.
  • The right process depends on geometry, load, surface needs, price and lead time.

Process

From CAD to repeatable production

1

Send files

CAD, drawing, photo or a short functional description.

2

Technical review

We review printability, material, orientation and risk.

3

Production

The batch is produced with repeatable parameters.

4

Re-ordering

Approved parts can get an article ID for faster repeat orders.

Common questions

Answers that move the project forward

Can you recommend the right process?

Yes. Upload the file and requirements and we will tell you when FDM is a good fit and when another process is better.

Is FDM always the cheapest?

No. Price depends on geometry, quantity, material and quality requirements.

Can the same design move to another process later?

Often yes, but DFM rules differ. Early review helps avoid unnecessary redesign.