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SLS is a go-to solution among engineers
for functional prototypes and parts.

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.

 

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 Printing Materials

PA+GF

When filled with glass fibers (GF), PA 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). As such, it is ideal for demanding conditions where stiffness, temperature performance or wear resistance is key.
Process
SLS
Material Reference
FS3300GF
0

TPU

TPU is rubber-like material. 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.
Process
SLS
Appearance
Many colors
SLS TPU

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
Process
SLS
Material Reference
FS3300PA
Appearance
Black, White, Beige
SLS PA
PA+GF TPU 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.

About The Process

Selective Laser Sintering uses high-powered lasers to sinter powdered material, binding it together to create a solid structure. Parts are surrounded by unsintered powder in each layer, which remains spread across the build volume until each layer is fused together. Due to the surrounding powder, SLS can realise overhangs and complex features without support structures

3D Printing Services Comparison

SLA SLS DMLS MJP FDM SLM MJF
Range of Material Options
Geometry Complexity
Batch Discount
Scalability
Precision Tolerance
Fine Details
Large Parts

 

3 star = excellent | 2 star = good | 1 star = poor in comparison

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Advantages of SLS 3D Printing

Scalability
SLS can make a single part or component as easily as dozens of production pieces.

Complex Geometries
Geometries can be built more easily due to the 3D printing process, adding complexity without additional cost.

Rapid Turnaround
Parts can typically be shipped in 2-3 days, allowing for faster design iterations and speed to market.

Production Parts
SLS is capable of producing end-use parts on-demand, increasing throughput.

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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