The coolest 3D-printed things at the RAPID conference

From wardrobes to war machines, this year's show did not disappointImage by April MontgomeryIn each of its 26 years, the RAPID Printing & Additive Manufacturing Conference has raised the bar for the level of sophistication of things that can be created using 3D printing techniques. This year's conference in Orlando showcased products ranging from military unmanned aerial vehicles and jet engines to human skull and knee replacements and even a full-sized, working R2D2. Here are some of the mo