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Production-Ready MJF 3D Printing

Produce durable, high-accuracy nylon parts with Multi Jet Fusion (MJF) technology. Ideal for end-use applications and working prototypes.

Strong, production-grade parts. Fast turnaround time. Excellent accuracy & consistency.

Parts starting at $3.00/cc*

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Multi Jet Fusion MJF 3D printing
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What is MJF (Multi Jet Fusion) 3D Printing?

What is MJF (Multi Jet Fusion) 3D Printing?

Multi Jet Fusion (MJF) is one of the most advanced MJF 3D printing technologies out there. It combines fusing and detailing agents and creates a model layer by layer. It is known for strength and accuracy.

Advantages of MJF 3D Printing

  • Produces nylon parts that are highly durable and strong.
  • Suitable for functional and end-use applications.
  • Gives very smooth surfaces with highly precise detailing.
  • Processes faster, and produces multiple parts simultaneously.
  • Great for complex models and parts.
  • Ideal and cost-effective for low-volume productions.

MJF Process Explained (Step by Step)

Multi Jet Fusion (MJF) is an advanced powder bed fusion technology that builds highly accurate, durable parts layer by layer. It delivers exceptional detail, consistent mechanical properties, and fast production for both prototypes and end-use components.

  • Upload Your CAD File

    Submit your 3D model in STL, STEP, or other supported formats. Our team reviews the design for printability and recommends any necessary optimizations.

  • Powder Layer & Agent Application

    A thin layer of nylon powder is spread across the build platform. Precision printheads selectively deposit fusing and detailing agents onto each layer.

  • Thermal Fusion

    Infrared energy fuses the treated areas while untreated powder remains loose, creating strong, dimensionally accurate parts one layer at a time.

  • Cooling & Powder Removal

    After printing, the build cools under controlled conditions. Excess powder is removed and recycled, revealing the finished parts.

  • Finishing & Quality Inspection

    Parts are cleaned, inspected, and can be finished with bead blasting, dyeing, or other post-processing options before shipment.

Try MJF 3D Printing Now! Upload Your File to Start

Upload Your 3D File
The Material We Commonly Use in MJF 3D Printing

The Material We Commonly Use in MJF 3D Printing

We at Champ 3D use Nylon PA12 HP for MJF 3D printing. It offers excellent strength, precision, and durability. It also gives a smooth surface and is very consistent.

Why use Nylon PA12 HP for MJF 3D Printing?

  • Strong and durable, withstands repeated use, not prone to wear and tear easily.
  • Highly precise and accurate, great for complex models with fine features.
  • Robust yet lightweight, making it more usable.
  • Resists chemicals, mechanical pressure, and normal wear effects.
  • Consistent mechanical properties ensure uniform strength and finish throughout.
  • Very smooth surface finish ideal for end-user application.

Design Guidelines for MJF 3D Printing

Following the correct MJF design guidelines helps parts print with reliable strength, dimensional accuracy, and clean surface detail. At Champ3D, we recommend reviewing wall thickness, clearances, hollow areas, and part proportions before production to reduce warping, trapped powder, and assembly problems.

Design Factor
Recommended Guideline
Why It Matters
Minimum Wall Thickness
≥ 0.3 mm for short XY walls and ≥ 0.5 mm for short Z-oriented walls
Walls that are too thin may break, deform, or lose accuracy during printing and handling. Increase the thickness for tall, unsupported, or load-bearing sections.
Support Structures
Usually not required
MJF parts are supported by the surrounding powder during printing. This allows complex shapes and internal features to be produced without removable support structures.
Thin and Long Features
Keep the length-to-thickness ratio below 10:1 when possible
Long, thin sections can cool unevenly and develop warping. Increase their thickness or add ribs and fillets to improve stability.
Hollowing Recommendations
Use walls ≥ 2 mm and include accessible powder-removal openings
Hollowing can reduce material use, weight, and production cost. Powder escape openings allow unfused material to be removed during post-processing.
Cross-Section Transitions
Avoid abrupt thickness changes; use gradual transitions and fillets
Sudden changes in part thickness can create uneven cooling and internal stress. Smooth transitions help maintain dimensional accuracy and reduce deformation.

Premium Surface Finishing for MJF 3D printed Items

MJF 3D printing produces a smoother and finer surface compared to other methods. However, you can also opt for the following finish options as per your requirement.

Finish Type
Description
Recommended Use
Production Finish
Minimal post-processing. Support marks may be visible to maintain faster turnaround times.
Internal testing, engineering validation
Refined Finish
Support points are carefully removed and surfaces are lightly sanded for a smoother appearance.
Concept models, functional prototypes
Enhanced Surface Finish
Entire part is finely blasted after sanding for a consistent texture and uniform look.
Client-ready presentations, product demos
Custom Cosmetic Finish
Painting, color matching, masking, clear coating, decals, and texture treatments available.
Miniatures, action figures, display models, toy samples

How to Use Champ 3D MJF 3D Printing Online Service?

Want to order high-precision, engineering-grade components built with Multi Jet Fusion 3D printing? Why worry when Champ 3D is here? Follow these simple steps and get everything delivered to your home.

Get Your MJF 3d Printed Parts in 4 Simple Steps

  • Step 1

    Upload your file

    Start by uploading your 3D model file to our online tool. Make sure that it adheres to all the design guidelines as given above.

  • Step 2

    Receive A Price Quote

    Our engineers will review your design for any discrepancies and suggest improvements if needed. Based on the complexity and size of your 3D model, you’ll receive an appropriate price quote.

  • Step 3

    We Manufacture Your Items

    Once you’re happy with the price quote and confirm your order, we’ll manufacture your items using MJF technology.

  • Step 4

    Shipping & Delivery

    Finally, we’ll securely package your items and ship them to your address for doorstep delivery.

Ready to start with MJF 3D Printing Technology?

Upload your file today and experience professional-grade MJF 3d printing built for serious creators and engineering teams.

Get a 3D Printing Quote

Frequently Asked Questions

MJF produces stronger, finer parts with intricate detailing. It’s more efficient than both SLS and FDM in these factors. Also, it gives the items a smooth and shiny finish that’s not possible to get in SLS or FDM.

Ready to start with MJF 3D Printing Technology?

Get a 3D Printing Quote
MJF 3D printed parts ready for production

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