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中文Industrial-Grade SLS 3D Printing Durable, Precise, Production-Ready
From prototypes to functional end-use parts with complex geometries, delivered fast.
What is SLS 3D Printing?
SLS (Selective Laser Sintering) is an additive manufacturing technology that uses a high-power laser to fuse powdered materials into solid parts, layer by layer.
No support structures needed — freedom for complex geometries
Durable engineering plastics — strong, functional parts
Excellent surface quality — fine details and smooth finishes
Ideal for low-volume production — consistent repeatability
Selective Laser Sintering (SLS) Materials
We offer over 100+ 3D Printing materials and a wide range of surface finishes, and we also support customized materials for special projects
Surface Finishes For SLS 3D Prints
Improve durability and performance with a selection of finishesPolishing
Tumbling
Color Matching/Painting
Customized Color Dyeing
Insert, Thread Tapping
Vaporfuse Smoothing
Electroplating
Why IN3DTEC For Selective Laser Sintering (SLS)
From idea to production, we help you get there faster.
300+ Industrial Printers
– EOS, Stratasys, HP, Farsoon, BLT & more.
All Major Technologies
– FDM, SLA, SLS, MJF, SLM, PolyJet, MBJ, Ceramic, Sand Print & Metal Casting.
Broad Material Options
– 100+ Plastics, metals, composites, and custom materials.
Fast Turnaround
– Speed without compromising quality.
Expert Support
– Design optimization & engineering guidance.
Strict Quality Control
– Certified processes, reliable results.
Scalable Production
– From prototypes to mass production.
Global Service
– Worldwide delivery & logistics support.
Competitive Pricing
– Flexible and cost-effective solutions.
SLM
A complete range of metal materials
HP MJF
Superior, Consistent part quality
SLS
Superior, and a wide range of functional plastics
SLA
Extremely detailed copies of real-life objects
From Quote To Delivery
Everything You Need In One Easy-to-use Platform
Our AI-powered online quoting tool delivers prices within seconds and makes order tracking and management effortless. With built-in DFM capabilities, it helps identify design errors early, saving you time and ensuring smoother part production.
No Minimum Quantity | AI-Powered DFM Analysis |Online Order Management | Flexible Lead Time & Shipping Options
“IN3DTEC is a wholly trusted partner. They help us develop new products more efficiently and quickly. High-quality products and competitive prices are also why we recommend them to more people.” Luis Ford at Leica Medical Product Design Team
Excellent 4.9 out of 5 
So happy with IN3DTEC. The communication and customer support is incredible even for small orders they help with every aspect of the project. Can't recommend this company highly enough. Thanks for doing a great job guys. Kindly Nicola
Nicola Loder
My experience working with the team at IN3DTEC was wonderful. The team was easy to work with and provided me with useful feed back about my design. Also the price was just right.
Evan Kuester
First time using and I must say the quality for the part is excellent. The ordering and quoting was very good on the web site. The shipping and turn around time is 1st Class. I would recommend to anyone wanting a top quality part (or parts) and outstand shipping.
Ed Burks
Exceptional service, always willing to work with the customer to ensure parts are built to spec. Quick, reliable turn around, high quality and reasonably priced CNC/3D Printed parts.
Ron Miranda
I regularly use the 3D printing service that IN3DTEC offers and I'm very happy with the end products I receive as well as the quality of service. Parts arrive with very good dimensional accuracy and excellent finish. I also receive great advice about making my prints better. I definitely recommend IN3DTEC!
Dominik Dominiak
Gallery Of Selective Laser Sintering (SLS)
How Does SLS 3D Printing Work
1.Spread a thin layer of polymer powder on the build platform.
2. Preheat the powder just below its melting point.
3.A laser scans the 3D model‘s cross-section, fusing the powder.
4.Lower the platform one layer, apply a new powder layer, and repeat until the part is complete.
5.Cool the parts, remove excess powder, and sandblast the surface for smoothness.
Optional: dye or paint the parts for color.
How to Work With
Simply upload your CAD files.
Get real-time pricing and DFM insights within seconds. Or ask for manual design help.
Once your order is placed, we’ll begin production right away, and you can track and manage it anytime from your dashboard.
Partnering with FedEx, DHL, and UPS, we deliver your parts fast and on time, worldwide.
Put your Parts into Production Now
Manufacturing Resources
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How Much Does SLS 3D Printing Cost? Low Volume Pricing Insights
Selective Laser Sintering (SLS) is one of the most versatile 3D printing technologies today and is widely used to make prototypes as well as functional parts and for production in small runs.
Read More
Selective Laser Sintering (SLS): The Smart Choice for Prototyping and Low Volume
Let’s explore the selective laser sintering SLS technology of 3D Printing.
Read MoreQ & A
A: 670x400x450mm
A: 0.8mm
A: Nope
A: Accuracy: ±0.3% (min ±0.3 mm)
A: No support needed
A: Yes, SLS is ideal for short-run production with consistent quality