Robo 3D - Smart 3D printers, 3D printing filament, and 3D print kits Robo 3D printers are built for education with smart, simple, and safe features that come with access to MyStemKits.com curriculum, over 300 K-12 3D printable lesson plans and design challenges. We've spent countless hours engineering the future of 3D printing - Come see the new Robo C2 and Robo R2 smart 3D printers with Wi-Fi.