Interesting Engineering on MSN

China tests first 3D-printed mini turbojet engine hitting Mach 0.75 at 20,000 feet

China's state-owned AECC has used advanced 3D printing technology to manufacture the miniature turbojet engine.
VoxelMatters

The story behind LEGO’s first mass-produced 3D printed element

Explore the LEGO Icons Holiday Express and its innovative 3D printed piece, a game changer for LEGO manufacturing.