ssiRhinoSTRAND7 0.3.05 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. The program lies within Photo & Graphics Tools, more precisely 3D Design. The most popular versions of the program 0.3 and 0.2. The actual developer of the free software is Jon Mirtschin. We recommend checking the downloaded files with any free antivirus.
From the developer:
ssiRhinoSTRAND7 is a plugin for Rhinoceros.Please ensure Rhino is not running when installing plug-ins, else the installation might fail. Rhino provides the tools to accurately model and document your designs ready for rendering, animation, drafting, engineering, analysis, and manufacturing or construction.
You may want to check out more software, such as HighRoad, AccuTrans 3D or cymexMotion, which might be related to ssiRhinoSTRAND7.