[Madison]

Originally Posted by EricH

You guys might have fun with that mecanum. The standard mecanum setup has the opposite corners the same, not the sides. (The rollers should look like a circle or an X seen from above.) If you don't change one end, you won't be able to go sideways.

Are those black things for supporting other robots?

At least it looks like it ought to be reasonably easy to switch the wheels around. There is a single 'correct' arrangement of these wheels that offers the anticipated mobility and the most opportunity for resisting unwanted movement -- this isn't it.