List of Articles 3D Printing Open Access Article Abstract Page Full-Text 1 - A Review of Mechanical Recycling of Polylactic Acid: Challenges and Recent Achievements Farzane Tabatabaee Open Access Article Abstract Page Full-Text 2 - A review of polymer 3D printing technology: materials, process and design strategies for medical applications amir hasnvand Open Access Article Abstract Page Full-Text 3 - A Review on Emerging Granule-Based 3D Printing Technology Atefeh Nejadebrahim Zeinab Akbarian