RhinoCAM 3.0.0.49 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. RhinoCAM lies within Photo & Graphics Tools, more precisely 3D Design. This program is a product of MecSoft Corporation. We recommend checking the downloaded files with any free antivirus. The following versions: 3.0, 2.0 and 1.0 are the most frequently downloaded ones by the program users.
From the developer:
RhinoCAM is a Computer Aided Machining (CAM)plug-in that runs completely inside of Rhinoceros. This plug-in is a general purpose machining program targeted at the general machinist. RhinoCAM marries the power of Rhino's freeform modeling with VisualMILL's legendary machining capabilities to bring you a product of unrivalled capability for free form surface machining.
You may want to check out more software, such as 3D Studio VIZ R3, P-CAD 2004 Viewer or Baldor Electronic Catalog, which might be similar to RhinoCAM.