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It’s designed to O-gauge scale, and comes complete with models for 3D printed track as well. The parts are given a coat of paint to better approximate the finish of the real thing; sometimes ...
We know many people who put much effort into building model train setups. But [Rambros] has an entire set 3D printed, and the files are open source, so you can print your own or modify it to suit ...
They scanned part surfaces with a tool that generated 3D height maps, using that information to train the algorithms to analyze sections of video frames (each section called a convolution).
This is less than half the time needed to make the modified parts using the injection-molding technology. Unlike the latter, 3D printing can go from the digital model to production in seconds.