Table 3.

Comparison of the different 3D printing technologies used for glass fabrication.

Technology	Power Source	Forming Method	Resolution	Component Size	Speed	Characteristic
SLA	Laser	Photopolymerization	μm	100 μm–100 mm	Slow	Precision molding
TPP	Laser	Photopolymerization	nm–μm	1 μm–1 mm	Slow	Ultra-high precision
DLP	Laser	Photopolymerization	μm	10 μm–100 mm	Medium	Rapid prototyping and high precision
DIW	Thermal energy	Extrusion	μm–mm	1 mm–10 cm	Medium	Muti-material molding
SL	Laser	Photopolymerization	μm	10 μm–100 cm	Fast	Large-size molding