ROS Programming: Building Powerful Robots

Middle plate and top plate design

If you want a more layers for the robot, you can simply make circular plates and hollow tubes which are compatible with the base plate. Here you can see middle plate design and the tubes used to connect it to the base plate:

Figure 4: The middle plate design

The middle plate is simply a circular plate having screw holes to connect it to the tubes from the base plate. We can use following kind of hollow tubes to connect the base plate tubes and middle plate.

Figure 5: The hollow tube from the second plate