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3D Printing Services

Top Proto provides high quality 3D printing of customized parts. Beginning with prototypes to large scale production, we apply the most up to date technology in achieving precise, quick, and economical outcomes.

Get instant pricing, project lead times, and DFM feedback.

Accepted File Types: STEP, STP, SLDPRT, STL, DXF, X_T, X_B, IPT, CATPART, PRT, SAT, 3MF, JT

3D Printing Technology Explanation

Additive manufacturing (also known as 3D printing) is a method of producing complex 3-D objects by adding layers on top of each other. It provides complex geometries and custom designs without molds or tooling unlike in traditional manufacturing. It is best suited in quick prototyping, tailored components, and final use.

Our methods of meeting your particular project requirements include SLA, MJF, SLS, and SLM. With 3D printing, there is no better option than it can be flexible, and it can be fast depending on whether you require functional prototypes or low-volume production runs.

Why should we select Top Proto to 3D print?

Our 3D printing is of the highest quality and of engineering grade materials that assure longevity and accuracy. Our group customizes prototype to end-use component solutions. Our business has the capacity to produce prototyping and large scale production depending on the volume required, but our quality and delivery on time have remained constant.

Our 3D Printing Gallery Parts

Explore our portfolio of high-precision components, showcasing advanced technology and engineering excellence. From intricate milling to high-speed turning, each part reflects our commitment to ISO-certified quality and technical perfection.

As Machined
Visible tool marks with standard 3.2μm Ra finish.
Bead Blasting
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.
As Machined
Visible tool marks with standard 3.2μm Ra finish.

CNC Machining Surface Finishes

Achieve the exact functional and aesthetic requirements for your machined components with our industry-leading finish gallery.

Materials for 3D Printing Services

Leading companies and engineers rely on Top Proto for rapid iterations and durable, high-quality parts. Whether it’s for prototyping or full-scale production, our wide range of materials ensures we meet the unique requirements of any 3D Printing Services project with precision and speed.
Metal Materials
Category 1
Aluminum

6061 / 7075

Stainless Steel

304 / 316L

Titanium

Grade 5 (Ti6Al4V)

Brass & Copper

C360 / C101

Tool Steel

A2 / D2 / H13

Plastic Materials
Category 2
ABS
Polycarbonate
Nylon
POM
PTFE
Ultem

Design Guide Line For 3D Printing

3D Printing ProcessMin. Wall ThicknessLayer HeightMax. Build SizeDimension ToleranceStandard Lead Time
SLA (Stereolithography)0.6 MM for unsupported walls, 0.4 MM for supported walls25–100 μm1400 × 700 × 500 mm±0.2 MM (for >100 MM, apply 0.15%)4 business days
MJF (Multi Jet Fusion)At least 1 MM thick; avoid overly thick wallsAround 80 μm284 × 354 × 544 mm±0.2 MM (for >100 MM, apply 0.25%)5 business days
SLS (Selective Laser Sintering)From 0.7 MM (PA12) to 2.0 MM (carbon-filled polyamide)100–120 microns380 × 280 × 380 mm±0.3 MM (for >100 MM, apply 0.35%)6 business days
SLM (Selective Laser Melting)0.8 MM30–50 μm320 × 320 × 400 mm±0.1 MM (for >100 MM, apply 0.2%)6 business days

Rapid Tooling

Rapid tooling let’s you go faster to go from an idea to functional parts. With our advanced CNC machining service, we create molds and tooling with precision needed to test designs, validate fit, and function and bring products to market faster. It’s perfect for prototypes, low volume runs, and early-stage development where outworking competitors is critical and precision matters most.

Production Tooling

For our production tooling, we prioritize long-term durability. With top grade materials and precision CNC machining, we make tooling that allows full-scale production without losing accuracy. If you need thousands of the same parts, and even with batch production, we deliver consistent, reliable tooling and stable production cycles.

Made in China, Precision You Can Rely On

Located in China, our facilities are equipped with cutting-edge technology to handle everything from rapid prototyping to full-scale production. With skilled technicians and meticulous quality control, we guarantee custom plastic and metal parts delivered with speed, precision, and no middlemen involved.

300+

Machines, All Running at Peak Efficiency

0.01 mm

Ultra-Fine Tolerances Starting at 0.01 mm

1 Day

Fast Lead Times Starting from 24 Hours

50+

Materials Available for Every Project

Choose Us for Flexible Pricing and Quick Delivery

At TOP PROTO, we know price and timeline go hand in hand. Our CNC machining services can work around your budget and deliver on your deadline. Get a quote instantly and select the service to meet your requirements.

  • Competitive pricing with quality always remains.
  • Fast lead time to complete the project quickly.

What Makes Top Proto Different from Others

Instant Smart Quoting
Get quick pricing and DFM insights to optimize designs and reduce costs.
Global Supply Network
Access our global manufacturing network for reliable solutions of all sizes.
Certified Quality Control
Strict inspection protocols for every part. We ensure 100% accuracy and high standards.
Fast Reliable Delivery
Punctual shipping for all custom orders. Your projects always stay on schedule.

How We Works – 3-Stages Workflow

We guarantee that CNC parts are delivered on time and that the process is completely transparent in the following 3 simple steps:

Upload Your Files

Instant prices with DFM feedback for many file types.

We Manufacture Your Parts

You can select from many materials and methods.

Tracking and Receiving Your Parts

View the QC documentation and inspection photographs.

Frequently asked questions

 It is a precision manufacturing process where computer-controlled tools cut raw material into finished parts. Top Proto uses it to deliver high-accuracy components with perfect consistency.

We provide fast-turnaround prototypes using production-grade materials. This allows you to test functional designs and verify fitment before moving to full-scale manufacturing.

Top Proto serves high-tech sectors including Aerospace, Medical, Automotive, and Electronics, providing specialized parts that meet strict industry standards.

 We deliver extreme precision, maintaining standard tolerances as tight as ±0.005mm. Every part undergoes rigorous quality inspection to ensure it meets your exact specs.

 Yes. We scale seamlessly from single prototypes to high-volume production runs, ensuring consistent quality and competitive pricing at any scale.