'topeScope is described as 'Solid and mesh model tool' and is an app. There are more than 10 alternatives to 'topeScope for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best 'topeScope alternative is F3D, which is both free and Open Source. Other great apps like 'topeScope are MiniMagics, Netfabb, Materialise Magics and Viewshape.
STL Viewer can handle models with over one million facets, the response to pan, zoom, and rotate commands becomes progressively slower with increasing number of facets, even on high-end graphics hardware
OpenSTL A GUI-based STL (stereolithography) file viewer and editor. No installation needed. Support shaded/wireframe rendering and basic editings (translate/rotate)
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