Selective Laser Sintering (SLS) Services

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SLS 3D Printing Capabilities

Selective Laser Sintering (SLS) is one of the most popular 3D printing technologies that produces highly accurate and durable parts that are perfect for end-use, low-to-mid volume production, or for rapid prototyping.

Though SLS provides high detail quality and perfect production repeatability, it is one of the most inexpensive options for industrial 3D printing services because it can build parts in bulk without support structure requirements. SLS 3D printed parts can be post-processed.

Try Xometry Out Now In Just A Few Steps

Upload your CAD files

Multiple designs for different parts can be imported at the same time to produce a single quote. In less than a minute, a detailed cost estimation appears on the screen.

Choose the process

First, select the manufacturing process you require. You can then choose from a wide range of materials, finishes and certifications.

Order your parts online

Once you have selected the required options, all you need to do is confirm the order and pay for it on the secure payment platform. Your design will be analysed by engineers.

Receive your parts

Within a short amount of time, you will receive the parts you ordered directly to your shipping address. You can track your package at any time in your personal account.

Advantages of SLS with Xometry

Massive Capacity

We can quickly produce both prototypes and large batches thanks to the largest manufacturing network in Turkey and Europe, with over 2,000 vetted partners.

Fast Production

You will get your 3D printed parts delivered in as fast as 3-5 days.

Quality Assurance

We have strong QA procedures, controlled by an in-house team of QA engineers, which allows us to deliver high quality parts.

Engineering Check & Status Updates

All designs are checked by engineers before they’re sent for 3D printing. After confirming your order, you will receive status updates on your production.

SLS 3D Printing Materials

Rigid Plastics

PA2200

Finishing Options

As-printed

Parts are de-powdered with a sandblasting process and manual powder removal. The standard finish is matte with a sugar cube-like texture.
Final result:
- Sugar cube-like grainy surface
- Matte appearance
Bead blasting

Depowdering of parts with bead blasting. The final parts are slightly grainy in the touch with a satin-like matte appearance.

Notes:

Semi-sintered surface particles remain on the part even after initial depowdering.
Final result:
- Slightly grainy in the touch
- Uniform, matte or satin-like appearance
Spray painting

Provides a continuous, protective color finish which is applied by spraying.

Notes:

Paint coating is just on the surface level, if it is scratched or subjected to wear and tear, the internal natural colour is visible.
Available colors:
- Black
- Blue
- Green
- Red
- Yellow

Pros & Cons of SLS 3D Printing

Advantages	Considerations
Free form design: doesn’t need support features	Limited material and colour choice
Versatile, durable, flexible and chemical resistant material (Nylon)	Surface roughness (however, could be reduced by media tumbling)
Scalable into series	Warping issues for large feature
Fast: Xometry can deliver them in just 3 days	Limited post-processing options
Cheap, especially for small series

SLS Manufacturing Specifications & Capabilities

	SLS	HP MJF	SLA	FDM	DMLS	Polyjet
Lead time	3 days	3 days	7 days	8 days	5 days	7 days
Build volume	up to 340 x 340 x 605 mm, but usually, we recommend the maximum size of 320 x 320 x 580 mm	up to 380 x 284 x 380 mm, while we normally recommend the maximum size of 356 x 280 x 356 mm	up to 736 x 635 x 533 mm	up to 914 x 610 x 914 mm	up to 400 x 400 x 400 mm	up to 490 mm x 391 mm x 200 mm
Layer thickness	~0.05-1.0 mm	~0.08 mm	min 0.02 mm	~0.05-0.3 mm	0.02 – 0.08 mm depending on the material	0.04 mm
Minimum feature size	0.5 mm	0.5 mm	0.2 mm	up to 0.2 mm	0.75 mm for cosmetic features, 1.5 mm for structural features	1.2 mm or greater for rigid. 2 mm or greater for rubber-like
Tolerance	±0.3% (± 0.3 mm)	±0.3% (± 0.2 mm)	±0.5% (± 0.15 mm)	±0.5% (± 0.5 mm)	±0.2% (±0.1 – 0.2 mm)	±0.1 mm for the first dozens of mm is typical, plus ±0.05 mm for every mm thereafter
Description	One of the most popular and inexpensive technologies for industrial 3D printing	A technology that produces highly accurate and durable parts at fast speeds, especially compared to other powder bed fusion technologies	A technology that produces extremely accurate and high-resolution parts	Widely known for a great material selection, accuracy, and possibility to print large parts	Metal 3D printing technology. Selectively fuses a fine metal powder in aluminium or stainless steel	Polyjet is a rigid photopolymer 3D printing technology that produces high-detailed models
Support structures	No	No	Yes, for overhanging features	Yes, for overhanging features	Yes, for overhanging features	Yes, for overhanging features
	Read more about SLS	Read more about HP MJF	Read more about SLA	Read more about FDM	Read more about DMLS	Read more about Polyjet

Knowledge & Community For Engineers & Product Designers

SLS 3D Printing Resources

SLS 3D Printing Technology Overview Design Tips for Selective Laser Sintering MJF vs SLS: 3D Printing Technologies Compared Post-processing for MJF and SLS 3D Printed Parts PA11 vs. PA12: What Are the Differences?

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