After spinning a promising technology out of a Northwestern University lab, Azul was poised to conquer the world of vat photopolymerization (VP). Its high area rapid printing (HARP) process is... The post Azul 3D's CEO Churn Sees 3D Printing Vet John Hartner Takeover appeared first on 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing.