What about solar sintering + induction heating of lunar regolith?
Basalt, Glass,
Molten oxide electrolysis of regolith would yield Oxygen, Silicon, Iron, Aluminum, and Titanium for 3d printing and for solar panels and semiconductors.
Basalt, Glass,
Molten oxide electrolysis of regolith would yield Oxygen, Silicon, Iron, Aluminum, and Titanium for 3d printing and for solar panels and semiconductors.