I think before we try a Dyson sphere around a star we should start with something small and simple like a magnetar. We can harness some of that magnetic rotor and the Dyson stator can just give us simple free energy
@NanoRaptor
1. Wait for Kessler syndrome to take hold
2. Go up there with a welder
3. Dyson sphere around the earth
4. ???
5. Glorious sci-fi future

@isaaclyman @NanoRaptor
You don't even need a welder, two clean metal surfaces will attach if you press them together.

https://en.wikipedia.org/wiki/Cold_welding

Cold welding - Wikipedia