Frequently asked questions
Short, citable answers to the questions we hear most often about 3D printing, SLS, materials, pricing and lead times.
10 questions
Cost & lead time
Materials
What is the difference between PA11 and PA12?
PA11 and PA12 are both nylons used for SLS, but PA11 is bio-based (derived from castor oil) and tougher — with 31%…
Read more →What is the strongest 3D printing material?
For SLS 3D printing, PA802CF is the strongest material in our range: 89 MPa tensile strength thanks to carbon-fibre reinforcement in a…
Read more →File & design
Comparison
When should you choose SLS over FDM?
Choose SLS over FDM as soon as you need functional, isotropic end-use parts, designs with overhangs or complex internal structures, or production…
Read more →Can 3D printing replace injection molding?
Up to roughly 1,000-5,000 units, SLS 3D printing replaces injection molding by saving €10,000-50,000+ in tooling cost and delivering in 3 working…
Read more →When is 3D printing cheaper than CNC machining?
3D printing (SLS) is cheaper than CNC machining for complex geometries, small runs up to roughly 100 parts, and designs with internal…
Read more →Technology
Applications
Can I have a broken or discontinued part reproduced?
Yes — Parts on Demand regularly reproduces replacement parts for machines, classic cars, white goods and industrial installations. Send us a STEP…
Read more →Is 3D printing suitable for production runs?
Yes — SLS 3D printing is industrially mature for production runs of 10 to 100,000+ parts per year. Parts on Demand runs…
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