Here's a little machining job idea I've been working on. I've designed a work light for the milling machine that attaches to the end of the quill. It uses an LED Halo ring like they use in BMW headlights. The idea is the the light shines around the whole cutter and casts no shadows so you can see the cut easier.
The normal work light shining in from the side can cast shadows making it hard to see sometimes when you are trying to machine up to a scribe line etc.
The Aluminum housing attaches to the end of the quill with some strong neodymium magnets. This lets you quickly un-clip it for extra clearance. 12V DC connects to it via a curly cord that stretches and retracts with the quill.
It was a fun machining project.
Cheers