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International Journal of Bioprinting 3D printing of costal cartilage models

Figure 4. Printability and rheological characterization. (A) 3D digital and 3D-printed silicone auricular model. (B) 3D digital and 3D-printed silicone nasal
model. (C) 3D digital and 3D-printed silicone costal cartilage model. Effect of shear rate on viscosity and shear rate versus stress for 65 A (D), 75 A (E), and
80 A (F). (G) Printing trueness of the 3D-printed silicone model. (H) Printing precision of the 3D-printed silicone model.

printing structure, electrostatic attraction between the the 3D template structure. 62,63 Some studies even suggest
printed part and extrudate, clogging from in-nozzle curing, that the fidelity of 3D-printed constructs may be even
and accumulation of nozzle material, which may lead to lower than their traditional counterparts. 64,65 Therefore, we
a decrease in fidelity, making it difficult to perfectly copy performed a 3D scan of the printed constructs to assess

Volume 10 Issue 1 (2024) 221 https://doi.org/10.36922/ijb.1007