3 ms·

I have a trackpad in the middle of mine, it works great. Here's a photo from a few years back: https://twitter.com/max_sixty/status/1144236070369988609/photo/1

• eru 6y ago
  Nice! Hers was a rather more professional looking job. The trackball was about 8 cm in diameter and sunk right in. (She also hacked up the kernel driver to make horizontal rotation be interpreted as the scroll wheel.)