Question

The most popular open-source program of this kind was forked by RealThunder into his own branch solely to address a notorious issue called the “topological naming problem”. The open-source Antimony project is described as this kind of software “from a parallel universe”, and has a UI resembling the Grasshopper plugin used by another of these programs, Rhino. The OpenCASCADE kernel (15[2])is a free alternative to the typically proprietary kernels, like ACIS and Parasolid, that are licensed by these programs. Free “parametric” programs of this kind like Solvespace often have trouble with more complex operations like (*) chamfers and fillets. One (10[1])of these programs called Fusion 360 (-5[1])offers a free personal license that’s popular with hobbyists who want to generate STL files for use in 3D printing. For 10 points, name these programs that include SketchUp, SolidWorks, and the flagship product made by Autodesk. ■END■ (10[1])

ANSWER: CAD software [or computer-aided design; accept 3D or solid modeling; prompt on “graphics software” or “3D software”; accept CAM or computer-aided manufacturing or CAE or computer-aided engineering]
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= Average correct buzz position