Table 2.

Synthetic hydrogels for 3D printing neural scaffold manufacture.

Material	Printing Resolution	Printed Structure	Mechanical Properties	Printing Method	Reference
PU	250 μm	Grid scaffold of stacking fibers	-	FDM	[16]
PU	410 μm	Grid scaffold of stacking fibers	-	Extrusion	[94]
PU	410 μm	Grid scaffold of stacking fibers	-	Extrusion	[95]
PEGDA	50 μm	guidance Conduits with trenches	Young’s modulus of 470.0 ± 24.3 MPa	SLA	[96]
PEG-PPF	100 μm	Gyroidal scaffold	Young’s modulus of 9.1 ± 0.1 kPa	DLP	[97]