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selective laser sintering (sls) 3d printing services

On-Demand Functional
Parts and Prototypes

Get custom SLS 3D printed prototypes and
production parts from as fast as 3 days.

Lead times from 2-3 days
PA12 or PA12+ glass fibre material options
From 1 to 10,000+ parts
ISO and IATF certified
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Our SLS 3D Printing Services

Selective Laser Sintering or SLS is an industrial 3D printing technology. It builds accurate and durable parts from nylon (PA 12) materials one layer at a time. The combination of low cost per part, established materials and its speed makes SLS a go-to solution among engineers for functional prototypes and low volume production parts.

SLS 3D printing is a mature, stable and repeatable process which can replace conventional manufacturing methods to produce parts. There are several distinct advantages to selecting SLS for your prototype or production requirements.

Our Capabilities Industrial SLS
Maximum build size 400 x 400 x 450 mm (15.7″ x 15.7″ x 17.7″)
Lead time 2-3 days
Resolution ± 0.2mm
Prototyping Applications Functional and high-fidelity prototypes
End-use applications Low volume functional end-use parts

sls 3d printed nylon part dyed black

SLS 3D Printing Materials

TPU

With SLS, you can 3D print TPU or rubber-like parts. It is very elastic, flexible, and smooth to the touch, but at the same time, extremely durable and strong. It is widely used in the automotive, medical and consumer goods industries.
Appearance
Many colors
sls 3d printed TPU part with a dyed finish

PA+GF

When filled with glass fibers (GF), SLS printed nylon can be a good alternative to metal. PA+GF offers the same advantages as polyamide but with much higher thermal resistance (up to 110°C), strength and rigidity. As such, it is ideal for demanding conditions where toughess, temperature performance or wear resistance is key.
Material Reference
FS3300GF
Appearance
Whitish brown
selective laser sintered (sls) 3d printed nylon with glass fibre part

PA

PA or nylon material have high wear resistance, high thermal stability and are exceptionally strong. For these reasons, SLS-printed nylon parts are popular among engineers across many sectors
Material Reference
FS3300PA
Appearance
Black, White, Beige
sls 3d printed nylon pa material part
TPU PA+GF PA

Typical SLS Finishing Options

Applicable Materials Colors Description
Media Tumbling All Media tumbling, also known as vibro-polishing, is a process used to smooth the surface of SLS 3D printed parts.
Dyeing All Black, Pantone/RAL colours Dyeing is the fastest and most cost-effective way to colour SLS parts. It is mainly used to improve aesthetics.

Batch Production

Unlike other 3D printing process, with selective laser sintering, you can stack multiple prints both horizontally and vertically, through the x, y, and z axes. This makes it an excellent choice for low-volume production.

Design For SLS 3D Printing

SLS does not require support structures, allowing for greater design freedom. To take full advantage of this technology, it is important that you design for the process. Learn actionable design tips here.

selective laser sintered (sls) 3d printed nylon with glass fibre part
reasons to use sls 3d printing for functional prototypes

About The Process

Selective laser sintering is a powder bed fusion (PBF) technology that uses a high-powered laser to sinter powdered material, binding it together to create a solid structure. Due to the surrounding powder, SLS can realise overhangs and complex features without support structures.

Advantages of SLS 3D Printing

Strong Functional Parts
Industrial SLS is an excellent choice for creating strong and durable parts with great accuracy. It can build parts for some of the most demanding applications.

No Support Required
The use of powder bed fusion means there is no support material required. This makes SLS capable of producing geometries that no other technology can.

Rapid Turnaround
SLS produces rapid prototypes and functional parts in as fast as 2 days, which allows parts to be tested much faster than via traditional methods.

SLS FAQs

SLS 3D printing is an additive manufacturing technology. A high power laser is used to selectively sinter small parts of polymer powder, fusing them together into a solid structure based on a 3D model by using a high power laser.

Nylon is the most common material used for SLS 3D printing – specifically Nylon 12, also known as Polyamide 12 (PA 12). Nylon is well-suited for complex assemblies and durable parts with high environmental stability because nylon parts are strong, sturdy and durable.

You can also print with Polyamide 11 (PA11), aluminium-filled nylon and carbon-fiber filled nylon.

Whilst SLA might be better for small features, SLS has the advantage over SLA in that the surrounding powder provides support to the parts during the build process, allowing it to produce overhangs and complex features without support structures

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