V3D 3.6 for Mac can be downloaded from our website for free. The actual developer of this free Mac application is Hanchuan Peng. The application relates to Design & Photo Tools.
From the developer:
V3D is a handy and versatile 3D image visualization and analysis system for Bio-images and Surface Objects. The 3D neuron structures or any relational data that can be described as a graph. The application includes various linker and atlas files to manage many files all at once.
You may want to check out more Mac applications, such as TurboCAD Mac Designer, DropImageURL or Polaris, which might be related to V3D.