Carbon Seat Tube Considerations

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@JMY made a clever tool to cut ST slots in carbon using a dremel:

Show off your shop-made/DIY Tools!

Had to come up with a way to cut seat tube slots in a carbon tube in a consistent manner without using a milling machine or other large tooling. After some tinkering at the computer, and getting a 3D print done at a mates place, this is the result. Turned my dremel and a carbide cutter into a kind of reverse routing device with the help of a tiny bearing. The 3D printed tube block features a shape that results in a 5mm wide slot, complete with a teardrop shape at the bottom. The built-in stop …