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Injection Molding Design Guide: Best Practices for Molded Plastic Parts

The Injection Molding Design Guide and all information in this article is available as a free e-book download. Download the Injection Molding Design Guide  Injection molding design focuses on creating plastic parts that can be manufactured efficiently while maintaining strength, quality, and consistency. By following key design guidelines—such as proper wall thickness, draft angles, rib […]

Article

GD&T Basics with Examples: A Guide to Geometric Dimensioning and Tolerancing

Geometric Dimensioning and Tolerancing (GD&T) is a standardized system for defining and communicating engineering tolerances using symbols, datums, and feature controls. It enables engineers to precisely specify allowable variation in part geometry—ensuring proper fit, function, and manufacturability. By replacing ambiguous coordinate tolerancing with a clear, rules-based framework, GD&T improves communication between design, manufacturing, and quality […]

Article

Understanding the Types of Fit in Engineering: Clearance, Transition, and Interference

In engineering, the term “fit” describes the relationship between two mating parts, such as a shaft and a hole. The way these parts interact—whether they fit snugly together, move freely, or press into one another—is crucial to the performance and functionality of the mechanical system.  The correct fit ensures that parts function optimally, whether they […]

Article

Plastic Joining Methods: A Guide to Mechanical Fastener Options From Snap Fits to Adhesives

There are many ways to join or fasten plastic parts, and the right method depends on your design goals, materials, and production needs. Options range from simple mechanical fasteners like screws or inserts, to molded-in features such as snap-fits, to adhesives, welding, and other specialty techniques. Each comes with its own strengths in terms of […]

Article

9 Tips for Better Engineering Drawings that Save Time and Money

This article was revised by Tessa Axsom in September 2023 Even in 2023, with the rising popularity of model-based definitions, engineering drawings are still a great way to communicate design intent for CNC machined parts that require tight tolerances, material specifications, or other special requirements. That’s why many Fictiv customers in the robotics, aerospace, automotive, […]

Article

How to Design Wire Guides that are Functional and Beautiful

A robot performing parkour was impossible 30 years ago, but now, Boston Dynamic’s Atlas robot can traverse an obstacle course gracefully and precisely. Boston Dynamics uses Atlas as an exercise to unlock the next generation of mobility, perception, and athletic intelligence in robotics. The Atlas robot is constructed of a beautiful combination of 3D-printed titanium […]

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