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3D Printing Services

Get instant online quotes for 3D printed parts in both plastics and metals. Order high resolution rapid prototypes and production parts with precision.
  Tolerances as fine as ±0.2 mm.
  ISO 9001:2015, ISO 13485, ISO14001:2015, IATF 16949:2016 certified
  Lead time as fast as 1 day
Start a New 3D Printing Project!
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Our customers say       Excellent         4.9  out of 5 based on  270 reviews       Trustpilot

3D Printing Services for Custom Prints ____

Our custom 3D printing services are designed to meet your exact needs. From rapid prototypes to full-scale production parts, we deliver custom 3D printed parts with speed and precision. Our advanced technologies, including SLA, HP MJF, SLS, and SLM, ensure high-quality 3D printing processes that maintain tolerances as fine as ±0.2 mm. Trust our 3D printing experts for reliable, high-resolution parts that meet your exact specifications.

SLA

SLA utilizes a laser to cure liquid resin into solid parts with high precision and smooth surfaces. Ideal for detailed prototypes and intricate designs.

HP MJF

HP MJF uses a fusing agent and heat to create strong, functional parts with fine details and excellent mechanical properties.

SLS

SLS fuses powdered material layer by layer using a laser, producing robust and durable parts. It’s excellent for complex geometries and end-use applications.

SLM

SLM melts metal powders with a laser to create high-strength, intricate metal parts. This process is ideal for aerospace, medical, and industrial applications.

How Does RapidDirect 3D Printing Services Work

Our network of sheet metal shops in China gives us the flexibility to tackle any project—whether it’s a complex prototype or a full assembly. We take your CAD designs, turn them into machine code, and our experts take over to cut, bend, and shape the metal just right using welding, riveting, and more.

We also offer finishing options to make sure each piece not only works but looks fantastic. Whether it’s a one-off or a large batch, we get it done right and on time.
300+
Machines Set
120+
Countries Shipped
20,000+
Customers Served
MATERIALS

3D Printing Materials

Our material selection includes plastic and metal options like ABS, PA (Nylon), Aluminum, and Stainless Steel, suitable for various industrial custom 3D printing projects. If you have unique material requirements, simply choose ‘Other’ on our quote configuration page. We’re committed to sourcing exactly what you need.

Metals

  • Lightweight, strong, and naturally resistant to corrosion, aluminum is ideal for 3D printing in aerospace and automotive applications. Its excellent strength-to-weight ratio makes it perfect for parts that need durability without adding excess weight.

    Color: Silver
    Subtypes: Stainless Steel 316L Silver Grey
    Price: $$$
    Lead Time: About 6 business days
  • Copper is known for its superior electrical conductivity and thermal properties, making it perfect for electrical components and heat exchangers.

    Alloys
    Copper C101(T2)
    Copper C103(T1)
    Copper C103(TU2)
    Copper C110(TU0)
    Beryllium Copper
  • Brass is durable and has a low friction coefficient, which makes it suitable for fittings, tools, and musical instruments that require precision.

    Alloys
    Brass C27400
    Brass C28000
    Brass C36000

PLASTICS

  • ABS
    Known for its strength, durability, and resistance to heat and impact, ABS is a popular choice for 3D printing functional prototypes and end-use parts. It's widely used in automotive, consumer goods, and industrial applications due to its toughness and versatility.

    Color: Yellow, Black, Creamy White
    Subtypes: ABS-Like Resin Black ABS-Like Resin Creamy White
    Price: $
    Lead Time: About 4 business days
  • Polycarbonate is extremely durable and has high impact resistance, along with excellent clarity, used for bullet-proof glass and protective gear.

    PC Black
    PC Transparent
    PC White
    PC Yellowish White
    PC+GF30 Black
  • PMMA, or acrylic, is known for its crystal clarity and weather resistance, making it ideal for outdoor fixtures and display cases.

    PMMA Black
    PMMA Transparent
    PMMA White
  • POM
3D Printing Post Processing
Post-processing enhances the appearance and functionality of 3D prints, providing a smooth finish, vibrant colors, or added durability. It’s ideal for visible or functional components but may be unnecessary for rough prototypes or internal parts where aesthetics are not a priority.
sheet-metal-as-machined

As-machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
shee-metal-anodized-part

Painting
Anodizing increases corrosion resistance and wear properties, while allowing for color dyeing, ideal for aluminum parts.
metal-polishing-sheet-metal

Polishing
Polishing achieves a high gloss finish, reducing surface roughness and enhancing the aesthetic appeal of metals.
sheet-metal-sand-blasting

Sand Blasting
Sand blasting uses pressurized sand or other media to clean and texture the surface, creating a uniform, matte finish.

RapidDirect _____________ 

3D Printing Solutions

PROTOTYPING

3D Printing

Start your project with our fast 3D printing service. Ideal for creating detailed prototypes and custom parts quickly, we use advanced technologies to deliver high-quality, high-resolution prints with precise tolerances.
 
Iterate and refine your designs rapidly to ensure perfect results.
LOW VOLUME PRODUCTION

Vacuum Casting

Our urethane casting service bridges the gap between prototyping and mass production. Perfect for low to medium-volume production, creating durable, high-quality parts with excellent surface finish and detail.
 
For market testing and initial product launches.
HIGH VOLUME PRODUCTION

Injection Molding

For large-scale production needs, our injection molding service is the optimal choice. It is capable of producing high volumes of parts efficiently, maintaining consistent quality and precision.
 
Cost-effective process for mass production.
 
RapidDirect
3D Printing Capabilities 
_______
We provide a comprehensive overview of each 3D printing process’s unique standards, aiding in informed decisions for your printing needs.
  SLA MJF SLS SLM
Min. Wall 
Thickness
0.6mm for unsupported walls, 0.4mm
for supported walls on both sides
At least 1mm thick; 
avoid overly thick 
walls
From 0.7mm (PA 12) to 2.0mm (carbon-filled polyamide) 0.8 mm
Layer 
Height
25 µm to 100µm Around 80µm 100–120 microns 30 – 50μm
Max. Build 
Size
1400x700x500mm 264x343x348mm 380x280x380mm 320x320x400mm
Dimension 
Tolerance
±0.2mm (For >100mm, apply 0.15%) ±0.2mm (For >100mm, apply 0.25%) ± 0.3mm (For >100mm, apply 
0.35%)
±0.2mm (For 
>100mm, apply 
0.25%)
Standard 
Lead Time
4 business days 5 business days 6 business days 6 business days
RAPID DIRECT PLATFORM
Instant Sheet Metal Quoting with RapidDirect
Need 3D printed parts quickly? Start effortlessly by uploading your 3D model files; our platform supports formats like [.STP], [.STEP], and [.STL], ensuring seamless integration. Receive an instant, custom quote as our algorithms assess your design for optimal manufacturability.

Choose from a vast selection of materials and finishes, guided by our experts to balance cost, functionality, and aesthetics. Utilizing high-resolution 3D printers, we deliver your vision with exceptional accuracy. Each print is rigorously inspected to meet your specifications. Enjoy rapid delivery—receive your high-quality prints as soon as the next day.
3D Printing ______
for Various Industries
Our services cover automotive, aerospace, and healthcare industries, providing customized solutions for each.
cnc-icon-1
Aerospace
cnc-icon-4
Medical Devices
cnc-icon-6
Automotive
robotic-product
Robotics
cnc-icon-3
Automation
consumer-keyboard-product
Consumer Products

Why _____

Choose Us

Solid Strategy aligned with business needs and robust data analysis are fundamental ingredients to extract actionable insights.
/01
 
High Resolution
3D Prints
 
Advanced materials, cutting-edge technology, and stringent quality control processes. This commitment results in quality product durability and precision, minimizing rework and enhancing your project’s success.
 
/02
 
Fast Lead
Time
 
Streamlined processes and state-of-the-art equipment, addressing your urgent needs by delivering high-quality 3D printed items quickly. This efficiency reduces wait times, enhancing your project’s pace and productivity.
 
/03
 
3D Printing
Experts
 
We have team of experienced engineering experts providing personalized guidance for every project. Resolve complex design challenges, enhancing print success and customer satisfaction, according to your unique specifications.
 

What’s 3D Printing?

3D printing, also known as additive manufacturing, is a revolutionary technology that creates three-dimensional objects from digital files. This process involves adding material layer by layer until the final object is formed. Unlike traditional manufacturing methods, which often involve subtracting material from a larger block, 3D printing allows for the creation of complex geometries and intricate details with minimal waste. It’s used in various industries, from prototyping and product development to medical implants and aerospace components. 3D printing offers significant advantages in customization, speed, and cost-effectiveness, making it an essential tool in modern manufacturing.
Advantages of 3D Printing
3D printing has many advantages over traditional methods:
Customization: Easily create custom items without added cost or complexity—perfect for personalized or bespoke solutions.
Complex Geometries: Make intricate designs and structures that are impossible with traditional manufacturing, enabling advanced features.
Reduced Waste: Only the material needed is used, cutting down waste compared to subtractive methods.
Rapid Prototyping: Quickly create prototypes to test design, fit, and function, speeding up development.
Cost-Effective for Small Runs: Ideal for low-volume production, saving on tooling and molds.
Speed to Market: Cut production lead times, enabling faster iteration and quicker product launch.
Custom 3D Printing Applications
3D printing offers a wide range of applications for different types of parts:
 
Prototypes: Quickly turn design concepts into functional and visual prototypes.
Custom Tools & Fixtures: Make production-specific tools and jigs that boost efficiency.
Medical Implants & Prosthetics: Create custom implants and prosthetics for improved fit and comfort.
End-Use Parts: Produce ready-to-use parts for various applications.
Architectural Models: Build detailed models for design and planning.
Customized Consumer Goods: Create one-of-a-kind items like jewelry, phone cases, and home products.
Educational Models: Make accurate models for research and teaching.
Replacement Parts: Print rare or obsolete components for maintenance and repairs.
FAQs _____
  • How do I get started with my sheet metal project?

    Starting a sheet metal project is straightforward and efficient with RapidDirect. First, prepare a detailed design of your part or component. If you’re unsure about the specifications, our team of experienced engineers is ready to assist you in optimizing your design for fabrication.

    Next, upload your design files directly to our online quoting system. Here, you can easily configure part specifications such as material selection, thickness, and finishing options. Once submitted, you will receive a customized quote based on your project’s requirements.

    After you approve the quote, we’ll begin the fabrication process. Our advanced machinery and skilled technicians ensure precision and quality. You’ll be updated throughout the process, from manufacturing to the final delivery of your parts.
  • How long does it take to receive my custom parts?

    The lead time for receiving your custom sheet metal parts depends on several factors including the complexity of the parts, the quantity ordered, and the specific fabrication processes required. For simple parts, we can often deliver within as little as 3 days from the time your order is placed and the design is confirmed.

    For more complex assemblies or larger volumes, the production time will be extended accordingly. Once you submit your design through our online quoting system, we provide an estimated delivery timeline along with your quote. This estimate takes into account the current workload in our fabrication facilities and the specific requirements of your project. 

    We strive to minimize turnaround time without compromising on quality, ensuring you receive your parts as quickly as possible while maintaining the highest standards of fabrication.
  • How much does sheet metal fabrication cost?

    The cost of sheet metal fabrication varies widely based on several factors including the complexity of the parts, the type of material used, the quantity of parts, and the specific fabrication processes required. For straightforward, simple parts, the cost can be quite competitive, especially when leveraging our efficient production techniques and advanced machinery.

    To get a specific cost estimate, we encourage you to use our easy-to-use online quoting system. Here, you can upload your design files, select materials, specify quantities, and choose finishing options. Our system will provide you with a detailed quote reflecting the precise cost of your project.

    For larger or more complex orders, costs will adjust based on additional processing and labor required. Our goal is always to offer the best value, combining cost-effectiveness with high-quality results.
  • Is there a minimum order quantity for fabrication services?

    At RapidDirect, we support projects of all sizes. We accommodate both small and large production runs, offering our services for everything from a single prototype to mass production. Importantly, we do not enforce a strict minimum order quantity. This flexibility allows customers, whether startups or large corporations, to leverage our sheet metal fabrication services tailored to their specific needs and scales.
  • What’s K factor in sheet metal?

    The K factor in sheet metal fabrication is a crucial value that influences the accuracy of bend allowances when calculating the flat length of a sheet before bending. Essentially, the K factor represents the ratio of the neutral axis’ location to the material thickness. During bending, the inner surface of the metal compresses while the outer surface stretches, but the neutral axis remains unstressed.

    Determining the correct K factor is vital because it directly affects how much the sheet metal will stretch during bending. Typically, the K factor value ranges between 0.3 and 0.5, depending on the material and the type of bending being performed. Accurately calculating this factor ensures that the bent sheet metal parts fit precisely as designed, maintaining dimensional integrity and functionality.
  • What is the difference between sheet metal and plate metal?

    The primary difference between sheet metal and plate metal lies in their thickness and applications. Sheet metal is typically defined as metal formed into thin and flat pieces that range in thickness from about 0.006 inches to 0.25 inches. Due to its malleability, sheet metal is commonly used in applications requiring precise bending and shaping such as automotive bodies, aircraft panels, and household appliances.

    On the other hand, plate metal is thicker, generally starting from 0.25 inches and going up to several inches. Plate metal is used in applications where durability and robustness are more critical, such as in constructing buildings, bridges, and heavy machinery. The thicker nature of plate metal makes it ideal for structural applications where high strength and resistance to deformation are necessary.
3D Printing
Resources _____
  • Quality Milestone Achieved: 99.62% Pass Rate!

    2025-11-13

    Quality Milestone Achieved: 99.62% Pass Rate! We are thrilled to share that in November 2025, our product quality achieved an impressive 99.62% pass rate, with 533 different custom parts shipped and only 2 customer complaints recorded. This achievement reflects our relentless commitment to excellenc Read More
  • Mid-Autumn Festival Team Building - Bo Bing Party for the Mid-Autumn Festival

    2025-10-13

    Bo Bing Party for the Mid-Autumn Festival on October 11, 2025 Read More
  • China International Industry Fair 2025 (CIIF 2025)

    2025-09-29

    We gained critical insights into the latest trends and technologies, which we are now leveraging to enhance our customer solutions. Read More
  • CNC Machining Materials Guide: How to Choose the Right Material for High‑Precision Parts

    2025-12-23

    Choosing the right CNC machining material is crucial for part performance, cost, and lead time. This comprehensive guide covers metals, plastics, composites, selection criteria, 2025 trends, and how an experienced OEM partner can support your next project end to end. Read More
  • Top Precision Mold Parts Manufacturers and Suppliers in Russia

    2025-12-23

    This in-depth guide explores Precision Mold Parts Manufacturers and Suppliers in Russia, explains how Russian companies cooperate with Chinese OEMs like U-NEED, and offers practical sourcing, and quality for brands, wholesalers, and producers serving the Russian market. Read More
Try RapidDirect
now, for free ___
U-Need Precision Machinery Co., Ltd.
  +86 0769 23225585
 +86 15916761371
  contact@uneedpm.com
  Room 401-1, Building 4, SongHuZhiGu Research Center, No.6 Minfu Road, Liaobu Town, Dongguan City, Guangdong Province, China
523425

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