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We just fixed downloads: every STL now comes straight from fast, reliable storage, saved under its own name, we're making 10,000 STL files and dozens of new tools, so things might break. We'll fix them ASAP.

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BREP Viewer StarForge 3D Modeling Software

Open OpenCascade BREP Files Online

OpenCascade BREP is the native file of the OCCT kernel, written by FreeCAD, CadQuery and build123d scripts to keep exact solids. Few viewers outside those tools read it. The BREP Viewer does, in the browser and with nothing uploaded, so a scripted part can be turned, zoomed and checked from the front, side and top. Dimensions On confirms its size in millimetres, catching a unit slip in the code before 3D printing. Export Image and Export Video save a still or a turntable spin. StarForge 3D Modeling Software views a 3D Print STL File and a BREP solid with the same controls.

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