HOUSTON--(BUSINESS WIRE)--Changing Technologies, Inc. (OTCBB:CHGT) is currently in discussions to design a set of customized headrests for patients undergoing Magnetic Resonance Imaging (MRI) testing at a Houston-area cancer clinic. The proposed work would continue a spate of recent 3D design and printing projects for CHGT as the company seeks to grow its revenue stream. “This is a key project for us as it could open other doors into the lucrative medical and healthcare industries,” said CHGT C