Can you 3D print an engine block?

In recent years, 3D printing has gone from a hobbyist pursuit to a manufacturing practice in its own right, and now that includes to the automotive world.
Motor Trend

Here’s the Basis for Building a 1,000-Horsepower LS Engine

With all the 1,000+ horsepower ratings permeating the pages of magazines and websites, it's easy to get complacent about achieving those lofty numbers. After all, they're seemingly so common that ...