An interesting research paper proposes using 3D printed concrete molds made from PLA and wood fiber.
molds
Mayku’s New Multipler: A Must-Have 3D Print Accessory?
Mayku today announced a new device, the Multiplier.
DIY Injection Molding With 3D Printed Molds (and How to Avoid Warping)
Did you know it’s possible to perform injection molding using 3D printing? It’s an easy way to make many objects.