3D Printing – NPI Prototype Limited

Custom Precision 3D
Printing Service

Our custom 3D printing services cater to your specific requirements, offering rapid prototypes and full-scale production parts with unmatched speed and precision.

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3D Printing Service at NPI

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3D Printing Materials Selection

Processes	DMLS	PolyJet	FDM	MJF	SLA	SLS	DLS
Available Materials	Stainless Steel Hardened Steel Aluminum Titanium Copper	Elastomer (30A to 95A)	Nylon PETG PEI ASA ABS TPU PC	Nylon	Nylon Polypropylene TPU	ABS Polycarbonate Polypropylene	ABS Polypropylene
Max Part Size	245 x 245 x 300 mm	490 x 390 x 200 mm	500 x 500 x 500 mm	380 x 285 x 380 mm	400 x 480 x 400 mm	145 × 145 × 175 mm	190 × 115 × 325 mm
Min Feature Size	0.15 mm	0.3 mm	0.5 mm	0.3 mm	0.3 mm	0.15 mm	0.15 mm

The Materials Of 3D Printing

Thermoplastic Materials	ABS-M30, PC, POM-like, HDPE and other high-hardness, flame-retardant, high-temperature-resistant series production-grade thermoplastic materials.
Nylon	PA12 nylon series has the material properties of high strength and rigidity, high temperature resistance, chemical resistance, invariance, and excellent wear resistance.
Resin	Photosensitive resin is a kind of ABS-like white engineering plastic, which is easy for surface polishing and laser seamless stitching of super large objects.
Metal Material	Ti64 titanium alloy, MS1 mold steel, GP1 stainless steel, aluminum-magnesium alloy, cobalt-chromium alloy.
ABS	Similar to ABS white and red wax 3D printing materials, it is very suitable for manufacturing accurate, high-definition and ultra-fine details of models and prototypes.
Wax Material	Wax material has extremely high resolution and fine details, suitable for high-end lost wax casting of jewelry, clocks and micro-medical and electrical equipment

DMLS/SLM/EBM process is the best choice for prototyping and rapid production of small and large metal parts. You receive high dimensional precision parts made from a wide choice of ‘right materials’:

Prototype and Parts Made Easy - Worldwide Delivery & Any Order Size

With many years of manufacturing experience, NPI offers the best solutions for all rapid prototyping and low to large volume manufacturing needs. We streamline the innovation cycle into four simple but effective steps.

01

Upload Your Design

02

Receive Design Analysis

03

Start Manufacruting

04

Receive Your Parts

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More 3D Printing Capabilities

3D Modeling Software

3D modeling plays a crucial role in the success of 3D printing across various industries, including cultural creativity, animation, healthcare, construction, manufacturing, and food. Before 3D printing can occur, a detailed 3D model must be created. This can be accomplished using a variety of design software that is compatible with the selected 3D printing technology. Once the model is complete, it should be exported or converted to STL format to ensure optimal printing results. Effective 3D modeling not only enhances precision and quality but also supports innovation in product development and prototyping.

3D modeling software primarily falls into two categories:

Artistic design and industrial product development.

The first category focuses on creative applications like decorative artwork, movie special effects, animation figures, dolls, and cultural projects.

The second category emphasizes industrial design and mechanical engineering, utilizing software for CAD and CAM processes. Notably, Rhion stands out for its versatility, effectively bridging both realms. It excels in creating intricate 3D models for industrial applications while also facilitating artistic pursuits, including cartoon design, special effects, and three-dimensional animations. This dual functionality makes Rhion a valuable asset for professionals across various industries.

Industrial Product Design

Industrial product design heavily relies on sophisticated 3D modeling software, with well-known options including SketchUp, SolidWorks, Pro/ENGINEER (PROE), and Unigraphics (UG). These tools utilize parametric analysis to develop precise 3D models based on customizable design parameters.

Blender: As an open-source, free 3D modeling software, Blender excels in functionality and is compatible with all major operating systems. It offers a comprehensive suite of tools for 3D creation, enabling rapid and efficient architectural designs while maintaining high-quality output.

SketchUp: Developed by Google, SketchUp is a user-friendly, interactive 3D modeling application ideal for both beginners and experienced users. Its intuitive interface simplifies the modeling process, making it a preferred choice for those new to design.

SolidWorks: Esteemed for its powerful capabilities, user-friendly interface, and technological innovations, SolidWorks stands out as a go-to tool for many engineers and designers, fostering creativity and efficiency.

UG and PROE: Both UG and PROE are advanced CAD/CAE/CAM solutions tailored for the manufacturing sector. While UG is recognized for its unparalleled precision in surface modeling and complex industrial design,

Anime Art Figure Design

3D modeling software enhances art design by allowing precise manipulation of points, lines, and surfaces, enabling the creation of intricate graphic structures. Notable tools include Maya for film animation, 3ds Max for architectural visualizations and entertainment, and Modo, a versatile platform featuring advanced modeling technology. Additionally, ZBrush excels in brush sculpting, offering powerful capabilities for detailed character design. These professional-grade applications ensure stunning visual displays and seamless transitions in 3D art, making them essential for artists and designers aiming for high-quality results in their projects.

Medical 3D Modeling

Traditionally, doctors rely on two-dimensional CT scans to diagnose and treat conditions like liver tumors. However, interpreting these flat images requires physicians to mentally reconstruct complex three-dimensional (3D) representations based on their experience, a method that can lead to inaccuracies and misdiagnosis.

Advancements in 3D printing technology have transformed this process. By processing data from medical imaging techniques such as X-ray CT and MRI, professionals can convert these images into Computer-Aided Design (CAD) files suitable for 3D printing. The resulting 3D models not only replicate the spatial characteristics of the original images but also allow for tactile interaction with critical anatomical structures. This innovative approach enhances medical education, supports clinical practice, and facilitates scientific research.

Looking ahead, 3D printing technology promises to revolutionize various medical applications, including the creation of patient-specific medical models, artificial bones, prosthetics, and even bioprinting organs. This integration of advanced technology into healthcare will significantly improve diagnostic accuracy and treatment outcomes, ultimately benefiting patient care.

3D Scanning

Introducing our advanced U-level high-resolution 3D scanner, imported from Germany, which boasts an exceptional accuracy of up to 0.007mm. This state-of-the-art scanner is capable of measuring a diverse range of objects, from intricate components as small as 38mm to large structures up to 2 meters, while maintaining impressive local resolution for objects as large as 30 meters.

Our scanner excels in a myriad of applications, including 3D scanning of toy figurines, artwork, Buddha statues, cultural relics, mud sculptures, ivory sculptures, mobile phones, and automobiles, as well as precision body scans. The device generates .stl data files for seamless integration with 3D printing and fine carving projects.

Measuring point: 2×5000 000
Measuring area: 38×29-2000x1500mm2
Measuring point distance 0.01-0.62mm

Copy Number

Our advanced non-contact three-coordinate scanning system, imported from Germany, revolutionizes product measurement. Utilizing cutting-edge blue light technology and a precision resolution of up to 16 million pixels, this equipment ensures high accuracy and efficiency, effectively eliminating errors in point cloud calculations. This technology is capable of generating precise .stl data files from extensive point data compilation.

Key features include:

3D Coordinate Conversion: Accurate calculations of spatial dimensions and three-dimensional shape deviations.
Object Point Definition: Under quasi-static conditions, we can precisely define object coordinates and analyze three-dimensional displacement and deformation across various components.
Comprehensive Quality Control: Our system conducts thorough assessments, including gap deformation, flatness testing, and component deformation analysis (CAV comparison).

This advanced scanning solution is tailored for high-end clients requiring meticulous product design and testing. It facilitates real-time detection of production process deviations, ultimately saving time and reducing costs while enhancing overall production efficiency.

In mold manufacturing, where iterative adjustments are essential, our scanning technology aids in reverse-engineering molds that meet specifications. By creating a digital model of the optimized mold, we can streamline the development of processing programs, significantly boosting mold production efficiency and minimizing expenses. Optimize your manufacturing processes with our state-of-the-art scanning solutions.

Reverse Engineering

Reverse engineering is a sophisticated process that transforms existing physical products—such as prototypes, molds, or sculptures—into detailed CAD models. By leveraging advanced digital technologies and high-precision scanning systems, this technique captures even the most intricate geometric features, resulting in accurate, high-resolution 3D point cloud data. This data is essential for reconstructing complex surfaces in CAD software.

The benefits of reverse engineering are substantial; it accelerates the new product development cycle while minimizing costs, thereby enhancing a company’s capacity for independent product innovation. This approach is particularly advantageous for items with complex geometries and free-form surfaces, making it a vital component in industries such as manufacturing, automotive, and aerospace. Ultimately, reverse engineering not only streamlines design processes but also fosters creativity and efficiency in product development.

More Capabilities

For more functions, please contact our salesperson to explain to you

Efficient 3D Printing for Diverse Industries

Robotics Learn More Aerospace Learn More Automotive Learn More Consumer Products Learn More Medical Devices Learn More

High-Quality 3D Printed Parts Made By NPI

3D Printing FAQs

1. what is 3D printing ?

3D printing, also known as additive manufacturing, is a revolutionary manufacturing process that creates three-dimensional objects by sequentially adding material layer by layer. This technology transforms digital 3D models, typically designed using computer-aided design (CAD) software, into tangible items. In a typical 3D printing workflow, the process begins with a digital model, often in the STL file format. The model is then processed by slicer software, which converts it into machine-readable instructions (G-code) that guide the printer during production. Various materials can be employed—ranging from plastics and metals to ceramics and composites—each selected based on the specific requirements of the application. Key advantages of 3D printing include: 1. Design Freedom: Complex geometries that would be difficult or impossible to achieve with traditional manufacturing methods can be easily realized. 2. Rapid Prototyping: Products can be designed, iterated, and produced quickly, significantly reducing the product development cycle. 3. Customization: Each object can be easily tailored to meet individual needs, making it ideal for industries such as healthcare, where patient-specific devices are increasingly demanded. 4. Material Efficiency: As an additive process, 3D printing typically produces less waste compared to subtractive manufacturing techniques. Overall, 3D printing is transforming industries by enabling innovative designs, expediting production, and allowing for customization at scale, thereby reshaping the future of manufacturing.

2. What materials can be used in 3D printing?

Common materials include plastics (like PLA and ABS), metals (like stainless steel and titanium), resins, and ceramics. Each material has unique properties suitable for different applications.

3. What are the different types of 3D printing technologies?

Common 3D printing technologies include Fused Deposition Modeling (FDM), Stereolithography (SLA), Selective Laser Sintering (SLS), Digital Light Processing (DLP), and Binder Jetting.

4. What is the maximum build size you offer?

Build sizes vary based on the technology used. Please refer to our specifications or contact us for detailed dimensions.

5. What are the lead times for 3D printing services?

Lead times can vary based on part complexity and quantity, typically ranging from a few days to several weeks. We provide estimated timelines upon order confirmation.

6. What design considerations should I keep in mind for 3D printing?

Consider factors like wall thickness, support requirements, print orientation, tolerance for moving parts, and how the layer lines might affect functionality.

7. How precise are your 3D printed parts?

Our technologies maintain tolerances as fine as ±0.2 mm, ensuring high precision for intricate designs.

8. Do you offer post-processing services?

Yes, we provide various post-processing options, including sanding, painting, and curing, to enhance the finish and durability of your 3D printed parts.

9. What file formats do you accept for 3D printing?

We accept several file formats, including STL, OBJ, and STEP. Recommended formats depend on the specific printing technology and part complexity.

10. What is layer height and how does it affect printing?

Layer height refers to the thickness of each individual layer of material in a print. Smaller layer heights can result in smoother finishes and finer details, while larger heights can speed up the printing process.

11. What software can I use to design 3D models?

Popular CAD software includes Autodesk Fusion 360, Blender, Tinkercad, SketchUp, and SolidWorks.

12. What post-processing techniques can I use on 3D prints?

Common techniques include sanding, painting, acetone smoothing (for ABS prints), and using epoxy or resin for surface finish applications.

13. What are supports and when do I need them?

Supports are structures printed to stabilize overhangs and complex geometries. They are necessary for prints with angles greater than 45 degrees or for intricate designs with parts that cannot self-support.