Vascularized tissues are hard to build up in traditional solid layer-by-layer 3D printing. Instead, researchers have used liquid polymers to create a stable mem

Vascularized tissues are hard to build up in traditional solid layer-by-layer 3D printing. Instead, researchers have used liquid polymers to create a stable membrane that do not shrink. [1] [1] https://onlinelibrary.wiley.com/doi/pdf/10.1002/adma.201904631 https://onlinelibrary.wiley.com/doi/pdf/10.1002/adma.2019046...