Volumetric Printing: Tomographic Back Projection

This lecture introduces the concept of intelligent volumetric additive manufacturing, focusing on the principle of volumetric tomographic printing, resolution, fidelity, and feedback systems. It explores bioprinting and showcases examples of existing 3D printers. The instructor discusses the Radon transform in medical tomography and its application in 3D printing. The lecture covers resin solidification through polymerization threshold, optical resolution, and feedback-assisted volumetric printing. It also delves into material formulations for resin, unique designs like the ball cage valve, and prints with silicone. The presentation concludes with the volumetric printing of cell-seeded structures, bioprinting with GelMA, and the advancements in volumetric bioprinting of living-tissue constructs.