Complex sentence: Rhinoceros (typically abbreviated Rhino, or Rhino3D) is a commercial 3D computer graphics and computer-aided design (CAD) application software developed by Robert McNeel & Associates; an American, privately held, employee-owned company, that was founded in 1980.
Split into simpler sentences: Rhinoceros (typically abbreviated Rhino, or Rhino3D) is a commercial 3D computer graphics and computer-aided design (CAD) application software. Rhino 3D was developed by Robert McNeel & Associates, an American, privately-held, employee-owned company founded in 1980.