Simultaneous multi-material embedded printing for 3D heterogeneous structures

https://phys.org/news/2023-06-simultaneous-multi-material-embedded-3d-heterogeneous.html

"deposited different biomaterials simultaneously and precisely into the yielded region of embedding medium with multiple individually controlled nozzles... bioink deposited... print filaments in embedding medium... horizontal connection between fine threads... printing speed, rheology of embedding medium high printing speed and low viscosity embedding medium, printed filaments accuracy and aspect ratio 1,  enable manufacture micro structures... Double-layer thin-walled structure with each layer <200 μm was printed"

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How to Print a Car: High-performance Multi-material 3D Printing Techniques

https://www.tohoku.ac.jp/en/press/how_to_print_a_car.html