![]() ![]() Modeling something in 3D has become an integral part of the design process for me. It satisfies my urge to create while I'm stuck in a decidedly "screwdriver free" environment. I don't know what you do on a long airplane ride, but I like to get out my laptop and fire up SketchUp. My personal favorite is SketchUp, which was developed at Google and recently acquired by Trimble. Now? Now you can go download any number of free 3D CAD programs and start virtually prototyping. The first time I saw 3D CAD software, it blew my mind. You were still limited to flat cross-sections, though, if you wanted to describe a 3D surface. Some math was still involved but getting an idea from your head to the page was a lot more intuitive. ![]() By the time I started using CAD, it was a click-and-drag sort of operation. Only a few decades ago you had to use CAD (Computer Aided Design) software without a mouse, typing every coordinate and describing every curve. Even the mathematics to describe curves in a computable way is fairly young. That makes sense, I suppose, because computers haven't been around for very long. Computer drafting technology has come a long way in just a short time. ![]()
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