![]() ![]() This gave them the space to think about how 3D CAD ought to work. The mathematicians who work at Siberian consulting firm LEDAS had been working on parts of Catia and other software from Dassault Systemes. ![]() So let's put it another way: what happens when you ask them to write algorithms for an ideal 3D CAD approach. What happens when you give Russian programmers a blank slate, asking them to yet again reinvent 3D CAD? Well, not a fully blank slate even Pro/E's approach - also developed by Russian programmers - was based on earlier work in parametrics from England. Other significant paradigm shifts came from SpaceClaim's anti-Pro/E direct modeling and Autodesk's Fusion of desktop and server-based calculations. Most famous of all was the unleashing of Pro/Engineer and its history-based parametrically-driven design environment, which forever changed the way MCAD was done. We've seen MCAD vendors reinvent 3D software several times since the dawn of CAD. ![]()
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