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International Journal of Bioprinting GradGelMA 3D-bioprinted vascular skin
Figure 2. Printing device testing. (A) Principle of the printhead repeatability positioning test, repeatability positioning test values, and representative
microscopy images of the repeatability positioning test. Scale bar: 200 µm. (B) Sodium alginate/gelatin printed five-pointed star and human ear models.
Scale bar: 10 and 20 mm. (C) Multi-layered structure printing tests of 10% (w/v) gelatin methacryloyl with different dyes. Scale bar: 5 mm.
Volume 11 Issue 4 (2025) 335 doi: 10.36922/IJB025090069
