Why Engineers Still Create 2D Detailed Drawings

was invented in 1765, orthographic projection was invented in 1770, and 2D CAD was invented in the 1980s. All of this progression led us to an age of rapid engineering documentation evolution.Before there were computers, 2D drawings were used to wholly define a component’s specifications. 2D drawings were used as the sole reference in the creation of a product, like a bolt or fitting. This method of production dates back essentially to the beginning of engineering information.

Since most products are made within the digital realm in the modern engineering workflow, data about a specific part abounds. In 2D drawings or, the data that could be extrapolated from the finished design was limited by what the engineer decided to include on the final spec sheet. Engineers have always had data, what has changed is how we express it. We often resist workflow changes with fervor. While we have adopted the ever-improving world of computer-aided design, it would seem that the one lingering hold-over from engineering past is that of the 2D drawing.

JacobusSystems Dexterity - modern graduates have lack basic hand eye coordination, I believe owing to only having to swipe touch screens & keypads. Some interns I work with can barely wield a knife & fork

I think 2D drawings are here to stay. No longer the main geometry representation, more a format for additional non-geometric data.

JacobusSystems Posts like this are interesting. High level and aspirational, but few details. In a vertically integrated design and manufacturing chain, this vision is easier but not easy. When design, manufacturing, and inspection is done at multiple vendors/CAE/inspections systems super hard.

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