4/3/2023 0 Comments Set.a.light 3d v2.0 13 crack![]() ![]() Given the very high geometric complexity, it is tempting to use additive manufacturing (AM) techniques to create such structures 4, 5, 6. Being able to recreate these multiscale structures in a synthetic system will, among other bio-inspired applications, pave the way to engineering fully vascularized artificial tissues with clinically relevant size 2, 3. ![]() ![]() Hierarchically branched structures are a hallmark of natural and biological systems 1. Our result presents a strategy for controlling the stiffness of material spatially in light-based volumetric additive manufacturing. We further show that the reactive transport of radical inhibitors defines a workpiece’s shape and limits the achievable stiffness contrast to a range from 127 MPa to 201 MPa according to standard tensile tests after post-processing. The radial resolution of stiffness control is 300 µm or better and an average modulus gradient of 5 MPa/µm is achieved. We develop solutions of mixed acrylate and epoxy monomers and utilize the orthogonal chemistry between free radical and cationic polymerization to realize fully 3D stiffness control. Here we show that wavelength-sensitive photoresins can be cured using visible ( \(\bar=365\) nm) sources simultaneously in a TVP setup to generate internal mechanical property gradients with high precision. Tomographic volumetric printing (TVP) physically reverses tomography to offer fast and auxiliary-free 3D printing. ![]()
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