This document discusses the various types of 3D printing technologies used in the footwear industry, including FDM and SLA. It highlights the pros and cons of using 3D printing technology in the footwear industry, such as cost-effectiveness, time-saving, and flexibility. It also discusses the limitations of 3D printing technology, such as weaker parts and slower printing speed. The document concludes that 3D printing technology holds an essential position in the footwear industry, but it still needs to overcome some challenges.