Download of S3CViewer 2.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. S3CViewer for Mac lies within Design & Photo Tools, more precisely Viewers & Editors.
Commonly, this program's installer has the following filenames: s3cviewer-2.2.0.2700.dmg and download.php?id=S3CViewer-.dmg etc. The most popular version among the application users is 2.2. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac application was originally designed by Acute3D.
From the developer:
Smart3DcaptureTM Viewer is a visualization software, which allows users to navigate 3D models generated by the Smart3DCaptureTM solution. 3D models are loaded and displayed using S3C level-of-detail (LOD) management system, and users can measure distances, pick GPS coordinates, generate animations.
You may want to check out more Mac applications, such as Cuadro or iPodEditor, which might be related to S3CViewer.