The plugin that offers a professional, for a free and open-source 3D computer graphics software toolset used for creating animated films, visual effects, art, 3D printed models, interactive 3D applications and video games,   3D modeling of what?
ManuelbastioniLAB ManuelbastioniLAB is a free and open source plug-in for Blender for the parametric 3D modeling of photorealistic humanoid characters.
Blender Foundation The Blender Foundation (Dutch: "De Blender Stichting" ) is a nonprofit organization responsible for the development of Blender, an open source 3D content-creation program.