What type of pattern would you most likely use for the fabrication of a right-angle elbow?

The most suitable pattern for fabricating a right-angle elbow is the parallel line pattern. This approach is particularly effective because it allows for the accurate representation and unfolding of the elbow's geometry. When working with sheet metal, the right-angle elbow consists of two pieces that come together at a 90-degree angle, and utilizing parallel lines helps in developing the layout.

By maintaining consistent distances between the lines, fabricators can ensure the accurate dimensions needed for the curves and straight sections of the elbow, making it easier to visualize and cut the metal accordingly. This method also simplifies marking the necessary lines on the metal sheet, ultimately leading to a more precise and efficient fabrication process.

This choice reflects the need for clarity and precision in the pattern that matches the physical geometry of the elbow, which is crucial for producing a fitting that meets design specifications.