Inventables' most recent shipment included a self-heating can that contains calcium oxide and water, which mix and heat up when users press a button on the can.

FORBES: Magazine Article

In 2010 a team of researchers from Washington State University found that artificial regolith containing silicon, aluminium, calcium, iron and magnesium oxide could be used by 3D printers to create solid objects.

BBC: 3D printed moon building designs revealed