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Understanding 4D Printing 4D printing is an emerging technology where a 3D printed object changes shape under the influence of an external factor. It is often known as 4D bioprinting or shape morphing system. 4D printing uses programmable materials which perform differently in presence of an external factor. Commonly used factors are humidity, temperature, light, etc. The configured objects show multifunctional performance due to infinite configurations at micrometer resolution. Printing Techniques Pattern-driven printing, stress relaxation, hydro-reactive polymers, thermo-reactive polymers, etc. Applications Cell traction force, electrical & magnetic smart materials and commerce & transportation. www.centextech.com Centex Technologies 13355 Noel Road, Suite # 1100, Dallas, TX 75240 Phone: (972) 375 - 9654 1201 Peachtree St NE, Suite 200, Atlanta, GA 30361 Phone: (404) 994 - 5074 7600 Chevy Chase Drive, Suite 300,Austin, TX 78752 501 N. 4th Street, Killeen, TX 76541 Phone: (254) 213 - 4740 Phone: (512) 956 - 5454 Image Source: Designed by Freepik