[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster. He used a delta printer with flexible filament and documented his process in the video below. If you ...

This publication provides essential background information and guidance on using three-dimensional (3-D) printed molds to fabricate precast concrete. Their advantages, requirements, applicability, and ...

If it quickly collapses, add more cement or sand. If it crumbles and looks ... The next step is to pour the concrete into the molds and spread it with a trowel. Now is the time to get creative ...