This entry was posted in 3D and 4D Printing services., 3D Printed 4D Printed parts to save money., 3D Printing challenges, Housing construction., 3D Printing hobby products and design., 3D Printing Ideas, Patent. Fans of the day., Network of 3D printing and 4D printing researchers., SV3DPrinter.com Policy., What materials are used in 3D Printing and 4D Printing? and tagged 3D printer-Creality CR-30, Sean Connelly.