San Juan, May 20, 2024 - Lorena Pachiardi, a ninth-grade student, created and developed a prototype of a low-cost prosthetic hand on a three-dimensional (3D) printer. The project was carried out as part of the “Seeds of Success” program of the non-profit organization Ciencia Puerto Rico (CienciaPR), which promotes STEM (science, technology, engineering and mathematics) education for girls in seventh through ninth grades in public, private and homeschoolers' schools around the island.