It’s something you probably should do procedurally and array, so you can have more control, just as Martin did. There isn’t a tutorial where it only shows something like this specifically, but there are tutorials where in instances the teacher would quickly use a technique that might help you. But in general you’d have to know your way around Blender and it’s tricks, and that’s by watching lots of training. Maybe Kent does it in the piano lessons? I’m not sure, link up just in case:
https://cgcookie.com/lessons/modeling-piano-keys
Maybe ancient pillars:
https://cgcookie.com/lessons/ancient-pillars-i-modeling-lighting
Definitely at some point in the industrial environment:
https://cgcookie.com/courses/create-realistic-industrial-environments-with-blender-and-eevee
Maybe modeling wheels and tires:
https://cgcookie.com/lessons/modeling-the-wheels
