Modeler 1.21.0 Released

With this build, sculpting and primitive operations should feel noticeably more buttery smooth, as well as more Export Mode and Primitives workflow improvements. A ground grid has also been added as an option and there are also many bug fixes. Check out full release notes here: https://helpx.adobe.com/substance-3d-modeler/release-notes/v1-21-release-notes.html