Table 2.

GelMA printing window.

Printing parameters	Printing window
GelMA concentration	5%～15%
Printing speed	2 mm/min～40 mm/min
Layer thickness	50 μm～200 μm
Photoinitiator (LAP) concentration	0.4%～0.6%
Light absorbent (New Coccine) concentration	0.2%～0.3%