Fig. 5: Gradient manufacturing and analysis.
From: Hybrid diacrylate resin-gelatin methacryloyl composite with bone-to-brain stiffness range
a The setup for manufacturing soft-hard gradient samples, b the gradient sample in the opened mold immediately after cure presents a gradient in yellow color from resin, c possibility of implementing in-mold inserts for ease of installation of gradient interface, d linear function of the injection for resin and GelMA in gradient manufacturing and snapshots from different sequences of the injection, e gradient sample used for the hardness measurements, f plot of the hardness in Shore-A and Shore-00 along the gradient direction of the sample where approximate position of different mixture ratios are highlighted.
