title: Best 3D library to model robotic motion
body: <p>A short while I asked for suggestions on choosing a Python-compatible 3D graphics library for robotic motion modelling (using inverse kinematics in Python). After doing a bit of research and redefining my objectives I hope I can ask once again for a bit of assistance.</p>
  
  <p>At the time I thought Blender was the best option - but now I'm having doubts. One key objective I have is the ability integrate the model into a custom GUI (wxPython). Seems like this might be rather difficult (and I'm unsure of the performance requirements). </p>
  
  <p>I think I'm now leaning more towards OpenGL (PyOpenGL + wxglcanvas), but I'm still struggling to to determine if it's the right tool for the job. I'm more of a CAD person, so I have trouble envisioning how to draw complex objects in the API and create motion. I read I could design the object in, say Blender, then import it into OpenGL somehow, but I'm unsure of the process? And how difficult is manipulating motion of objects? For example, if I create a joint between two links, and I move one link, would the other link move dynamically according to the first, or would I need to program each link's movement independently?</p>
  
  <p>Have I missed any obvious tools? I'm not looking for complete robotic modelling packages, I would like to start from scratch so I can incorporate it into my own program. For for learning more than anything. So far I've already looked into vPython, Pyglet, Panda3D, Ogre, and several professional CAD packages. </p>
  
  <p>Thanks</p>