Automatic Tennis Ball Launcher

This was my first exposure to real-world engineering. I designed the whole system in Fusion 360 and made the whole thing under a ~$200 budget. I had to get scrappy, and used parts from all over. Wheels from roller blades, motors from old drills, a lot of 3D printed parts as structural components which I had to replace a lot.
Linear induction motor design
It hasn't been used in a while.
Here's a video of it working.