If you've ever watched the Blue Man Group perform, you may have wondered about the series of tubes they strike to create percussive yet melodic notes. It's called a tubulum, and it's in the same family of instruments as a xylophone or vibraphone, only it utilizes hollow tubes to create music. The Blue Man Group's giant tubulum was built from PVC pipes, but the bright minds at Cimquest realized that they could create the same effect through 3D printing. Read more at 3DPrint.com: https://3dprint.com/160137/cimquest-3d-printed-tubulum/