Reardon metal could be cast, and acted like metal. This is apparently more of a styrofoamish product. I am not sure what is gained out of it being made from an actual metal alloy other than scientific curiosity.
The tubes are hollow. The structure would be used as a skeleton for a molded final piece like re-bar in concrete........................
Nearly EVERYTHING INVENTED was invented that way.
Most inventions do not begin with a scientist yelling “Eureka!” but rather instead thinking “hmmm... that’s funny”
“...”(I) am not sure what is gained out of it being made from an actual metal alloy other than scientific curiosity...”
Well, if it is replacing plastic components, this stuff won’t burn, should be able to tolerate a wider range of temperatures, which would be useful properties for air and space vehicles.