Google Glass Alternative As we all know, Google Glass is one of the most innovative technologies that has ever graced our generation. The problem being, it costs about an arm and a leg, maybe a kidney. So after some thorough searching and research, I found a 3D printed alternative to the technology, this one powered by Raspberry Pi. You can read more about it here at their website. 3D Printed Parts Allow You To Customize It To Fit Your Prescription Glasses