A group of Michigan Tech students are working to develop and sell recycled and biodegradable filaments for their recently launched company, Superior Filament. Thus far, they've produced rPET and rABS, and are in the midst of developing rPLA and rHDPE as well. Superior Filament plans to launch a crowdfunding campaign in June to help with the costs of building their planned manufacturing facility. Read more at 3DPrint.com: https://3dprint.com/135453/superior-...michigan-tech/