Dear all, I am planning to add a representation of shapes to common_msgs. The code is available now in: https://code.ros.org/svn/ros-pkg/stacks/common_msgs/trunk/shape_msgs and contains just one message and two functions: one for computing the size of an axis-aligned bounding box for a given shape message and one for converting to a marker message. (this code is not released) Please let me know if you have any comments or suggestions of improving the definition of this message. Best regards, Ioan