r2d3. The R2D3 Robotics simulation project. R2D3 is a Free, Cross Platform, Generic Robotic Manipulator Simulator and Development Environment built using Blender and Python. It's main goal is to provide a simple but feature-rich platform for Educational & Research Usage. Much of it is currently Scorbot ER-V (From Intelitek) oriented though that situation will change in the near future.