We've come across our fair share of 3D printers here at Tom's Hardware. We've even covered a handful of clever Lego-based projects. This is the first time, however, we've seen the two meld together so ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of time ...