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3D Printing Guide

Xometry's Online 3D Printing Service: High-Quality Prototypes and Production Parts

Xometry offers an industry-leading 3D printing service. Whether you need prototypes or production parts, we can make them for you on demand in as fast as a day. We are your one-stop-shop for accurate, precise, custom 3D printed parts at an affordable price. Upload your 3D CAD file to get an online quote and lead time within seconds. We print everything from single prototypes to thousands of production-grade parts.

We use the latest additive manufacturing technology to build affordable functional parts in over 60 metals and plastics. Xometry offers eight high-quality 3D printing processes including selective laser sintering, fused deposition modeling, stereolithography, direct metal laser sintering, polyjet, Carbon DLS, binder jet metal, and HP Multi Jet Fusion. We use commercial and industrial-grade printers such as Stratasys Fortus 900mc and Fortus 450 FDM, EOS Polymer Laser Sintering (SLS) and DMLS, Concept Laser, SLM Solutions, 3D Systems, ExOne, and more. For a great introduction to additive manufacturing, please visit our Complete Guide to 3D Printing.

Metal 3D printing and plastic 3D printing services available at Xometry

Thermoplastic 3D Printing

Xometry Capability

Selective Laser Sintering (SLS) 3D Printing Service

Upload your CAD file to get instant quotes on SLS nylon parts. Parts ship in as fast as 1 day. Free shipping on all US orders.

Selective Laser Sintering (SLS) 3D Printing Service
HP MJF 3D printed parts

HP Multi Jet Fusion (MJF) 3D Printing Service

Guaranteed Quality Prototypes and Production Parts
Free Shipping on All US Orders

HP Multi Jet Fusion (MJF) 3D Printing Service
FDM 3D printed ABS-M30 blue jigs for BMW

Fused Deposition Modeling (FDM) 3D Printing Service

High Quality Large Format FDM 3D Printing
Free Shipping on All US Orders

Fused Deposition Modeling (FDM) 3D Printing Service

Thermoset 3D Printing

Stereolithography SLA materials have a variety of engineered properties for function and cosmetics

Stereolithography (SLA) 3D Printing Service

High-Resolution Prototypes in Days
Free Shipping on All US Orders

Stereolithography (SLA) 3D Printing Service
Carbon Digital Light Synthesis™ (DLS™) makes production parts without tooling

Carbon Digital Light Synthesis™ (DLS™) 3D Printing Service

High-Performing Prototypes and Serialized Production Parts
Free Shipping on All US Orders

Carbon Digital Light Synthesis™ (DLS™) 3D Printing Service
PolyJet Part

PolyJet 3D Printing Service

Prototypes and Simulated Overmold Parts in as Fast as 1 Day
Free Shipping on All US Orders

PolyJet 3D Printing Service

Metal 3D Printing

Direct Metal Laser Sintered (DMLS) Part

Direct Metal Laser Sintering (DMLS) 3D Printing Service

Upload your CAD files to get an instant quote on metal prototypes and production parts. Parts ship in 3-5 days. Free shipping on all US orders.

Direct Metal Laser Sintering (DMLS) 3D Printing Service
Xometry Capability

Metal Binder Jetting 3D Printing Service

Upload your CAD files to get an instant quote on parts. Parts ship in 10 days. Free shipping on all US orders.

Metal Binder Jetting 3D Printing Service

The Best 3D Printing Material Selection

Plastic 3D printing in Multi Jet Fusion nylon
Durable Nylon
Plastic 3D printing in Multi Jet Fusion nylon

Nylon is one of the most versatile options for 3D printing with great feature detail and performance.

FDM Part

ABS and ASA 3D prints have a variety of colors and are a staple to 3D printed plastics.

ULTEM 9085 and ULTEM 1010
tan fdm ultem

Tough, heat resistant, and durable ULTEM is engineered to withstand the most rigorous environments.

Elastomers and Rubber-like Materials
Carbon Mesh

3D printed TPE and silicone-based elastomers give rubber parts without the need for tooling.

Metal 3D Prints
DMLS aluminum sample part

3D printed metal parts can achieve complex geometries without a sacrifice in performance.

Multi-Material Parts
Multi material polyjet 3D printing services

PolyJet 3D can combine multiple properties in a single print for overmolds and other cosmetic features.

Materials for all Applications
3D Printed Parts

Xometry has the widest variety of industrial 3D printing materials available for instant quoting.


Flame Retardant Plastic 3D Printing

Xometry offers a variety of polymers that are flame retardant and qualify for UL-94 V-0 and FAR 25.853 60 second burn test. This includes FDM ULTEM 9085, FDM ULTEM 1010, and SLS Nylon 12, Flame Retardant. These polymers are perfect for aviation and aerospace applications. Learn more about 3D Printed Flame Retardant Plastics.

    PolyJet is not flame retardant and will catch fire
    Commercial industrial 3D printing services

    Ready to start making custom 3D printed parts?

    Free shipping on all 3D printing orders!

    Applications of 3D Printing

    Concept models

    Concept Models

    The speed and versatility of 3D Printing lets product developers create physical snapshots of their designs through the iterative process.

    Fast parts and fast shipping

    Rapid Prototyping

    3D Printing can be used to create fully-functional prototypes, complete with moving parts, as well as all-in-one assemblies.

    Digital manufacturing

    Direct Digital Manufacturing

    The high accuracy and consistency of 3D printing makes it an ideal way to build production quantities of discrete or customized parts.

    Advantages of 3D Printing

    3D printed FDM jig in ABS-M30 red with COTS handle
    Rapid Turnaround
    3D printed FDM jig in ABS-M30 red with COTS handle

    Parts can typically be shipped in as little as 1 day, allowing for faster design iterations and speed to market.

    Metal 3D printing stainless steel DMLS propeller impeller

    3D printing can offer great impact strength, medium flexibility, and high resistance to environmental factors.

    Complex Geometry
    Selective Laser Sintering

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

    accura clearvue

    3D printing can achieve precise parts and feature details.

    Part Production
    Carbon Digital Light Synthesis (DLS) makes production parts without tooling

    3D printing with Xometry helps you produce end-use parts on-demand, increasing throughput.

    Fused deposition modeling FDM production of parts in large format 3D printing build

    With 3D printing, you can make a single part or component as easily as dozens of production pieces.

    3D Printing General Tolerances

    General Guidelines when Designing for 3D Printing
    DescriptionTolerance Notes

    Part Size

    Tolerance Notes

    Xometry can accomodate 3D printing up to 24" x 36" x 36" without the need to split and bond parts.


    Minimum Feature Size

    Tolerance Notes

    0.030" - 0.060" is typical.


    Minimum Wall Thickness

    Tolerance Notes

    0.020" - 0.060" is typical.


    Clearance Between Features

    Tolerance Notes

    At least 0.030"

    Please check out Xometry's Manufacturing Standards for more information on tolerances per process.

    What is 3D Printing?

    What is 3D Printing?

    3D printing is a manufacturing process where materials are joined together to make objects from 3D model data (CAD). Typically, 3D printing is a layer-by-layer process where part geometries are “grown,” fusing with the previous layer. 3D printing processes can build objects in plastics, photopolymers, reaction polymers, composites, metal, glass, and other materials.

      Commercial 3D printing services

      Why Choose Xometry for 3D Printing?

      Massive Network Capacity

      Endless Options

      Choose from millions of possible combinations of materials, finishes, tolerances, markings, and certifications for your order.

      Instant Quoting Engine

      Easy to Use

      Get your parts delivered right to your door without the hassle of sourcing, project management, logistics, or shipping.

      Guaranteed Quality

      Guaranteed Quality

      We back every part we ship with the Xometry Quality Guarantee. Job One at Xometry is making your custom parts to your specifications.

      3D Printed Part

      Become an additive expert with our Complete Guide to 3D Printing

      Additional Links and Resources
      Reduce 3D Printing CostsMetal 3D Printing Service3D Printing Locations3D Printing vs. Injection Molding3D Printing Basics3D Printing ProcessesPlastic 3D PrintingCool Things to 3D Print