But the fan is slightly bulky… This is much lighter and more compact, and the cooling is more efficient. It consists of a brass block that replaces our normal aluminium cooling block that attaches to the fan. The brass has water channels drilled in it, and some soft silicone tubing connecting it to a small 12V gear pump. The inflow and outflow temperatures are only a fraction of a degree different, meaning that multiple heads could be chained in series and all cooled by the same flow.
Researchers in the US military have developed a set of tests to determine the strength of 3D printed parts that could aid in future metal 3D printing quality control.