Table 1.

Ranges of printing parameters used for extrusion-based 3D printing.

Printing Temperature (° C)	Material Formulation	Range of Extrusion Pressures (bar)	Range of Printing Speeds (mm/s)
37	Without PLGA particles	7.0-7.0	0.1-0.1
	With unloaded PLGA particles	4.5-6.5	0.3-2.5
	With BMP-2–loaded PLGA particles	6.5-7.2	0.1-0.8
60	Without PLGA particles	1.0-2.0	0.4-1.0
	With unloaded PLGA particles	0.3-0.5	0.8-1.2
	With BMP-2–loaded PLGA particles	1.0-2.4	0.2-1.0
90	Without PLGA particles	0.2-0.2	2.0-2.5
	With unloaded PLGA particles	0.1-0.5	2.0-2.6
	With BMP-2–loaded PLGA particles	0.2-0.4	2.2-2.2