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Molded plastic prototypes and production parts
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Flat and formed sheet metal for custom parts

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Various grades of plastics across molding, machining, and 3D printing
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Extensive library of metal materials for machining, sheet metal fabrication, and 3D printing
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Flexible materials for injection molding and 3D printing

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Customer Supplied Resin
Guidelines on how to supply custom resin for your next project

New 3D Printing Materials!

Tough Black (Loctite Henkel 3843) and Ceramic-Filled (BASF 3280) are two new advanced photopolymer materials now available for 3D printing.

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Industries

Industries We Serve
Medical
Accelerated development of medical devices and health care products
Aerospace
High-quality components from early prototyping to hot-fire testing to launch
Automotive
Rapid prototyping and ramp-up production for traditional, electric, and autonomous vehicles
Robotics
Complex end-use production parts for robotics and automation applications
Consumer Electronics
Functional prototyping and on-demand production of consumer and computer electronics parts
Industrial Equipment
Durable jigs, fixtures, and other components to streamline assembly and reduce production costs

Industry Resources Medical Injection Molding Medical Materials Aerospace Manufacturing Guide Aerospace Machining EV/AV Automotive Guide Industry Case Studies

Industry Certifications Medical: ISO 13485 Aerospace: AS9100 Defense: ITAR

Protolabs x NASA

We partnered with NASA to machine a crowdsourced, generatively designed part that was delivered in only 36 hours so the design could be presented at the PowerSource Global Summit.

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Design Cube

Our helpful design aid demonstrates part features that are too thin or too thick, bad bosses, right and wrong ribs, and other considerations to be mindful of while designing parts for injection molding.

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About Us

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Proto Labs, Inc.
5540 Pioneer Creek Dr.
Maple Plain, MN 55359
United States

P: 877-479-3680
F: 763-479-2679
E: [email protected]

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The Upload

Your blog feed for digital manufacturing resources, in-depth features, and industry news.

Past 'CNC' posts

Return to blog home

CNC Material

materials

September 25, 2026

Stiffness vs. Strength: Definitions & Comparisons for Better Performing Parts

Compare material stiffness and strength and understand how each affects part performance

Polyamide

materials

September 24, 2026

What Is a Polyamide? Common Types and Manufacturing Applications

Explore polyamide properties, grades, manufacturing processes, and applications

CNC Programming

CNC machining

August 27, 2026

What Is G Code? CNC Programming and How It Works

Learn what G code is, how CNC programming works, and how good part design improves machining.

CNC machining

CNC machining

August 20, 2026

CNC Hole Design: Through, Blind, Tapped, and More

Learn to design CNC machining holes for accuracy, manufacturability, and cost-effective production.

part sample finished with electroless nickel plating

Finishing Options

March 24, 2026

Advantages of Electroless Nickel Plating

How electroless nickel coatings improve corrosion resistance and wear performance.

CNC surface finishing

Post Processing

March 11, 2026

Finishes That Prevent Rust in Metal Parts

Protective coatings and surface treatments that extend part life and improve corrosion resistance

SLS jig and fixture

Product Life Cycle

March 3, 2026

MRO Manufacturing for On-demand Production Support

Fast, reliable MRO manufacturing to support maintenance, repair, and operations without long lead times

Robotic arm block prep machine

MFG 360

July 7, 2025

How a Digital Approach to CNC Machining Enables Speed

Speed to market is key in product design. Here we break down how digital manufacturing achieves this with tips on sourcing the right digital supplier.

3D-printed Aluminum

Materials Science

April 30, 2025

Comparing Aluminum Alloys: Find the Right Material for Your Part

Compare aluminum alloys to find the material that best fits your project needs.

Example of 3+2 machining

CNC

August 26, 2024

What is 3+2 Axis CNC Machining?

Increasing the number of axes in which a mill operates can significantly reduce the time it takes to manufacture parts. That’s where 3+2 machining comes in.

Woman running on a blue track

Digital Manufacturing

August 14, 2024

Adaptive Athlete Noelle Lambert to Compete in Paris Paralympic Games

BioDapt’s prosthetics allow adaptive athletes to continue doing what they love by using custom machined parts from Protolabs.

Monster Mike

Digital Manufacturing

February 6, 2024

Paralympic Gold Medalist Creates Custom Prosthetics for Athletes

BioDapt’s prosthetics allow adaptive athletes to continue doing what they love