Share 'Randomize Placement and Orientation'

I found a rendering online that I decided to duplicate. I succeeded but now I want to take it a step further. I have included the final rendering and the rhino file. What I want to do is set up a grasshopper to both randomly orient and position the balls across a given plane. I want them to all remain at the same level on the Z-axis. I manually did all of that for this example, but I want to do a…