[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 is an easy process for making a concrete copy of an existing object. I used Mold Star 30 silicone rubber for the molds and Quikrete Countertop Mix in white for the concrete. For complete ...

Begin by finding a flat area to set up your molds and spread out your tarp so you don’t get concrete anywhere you don’t want it. Once your area is prepped, make sure to have some fresh water ...

2. Using a scoop, place concrete in the cylinder molds. For 6 by 12 inch molds, place in three equal layers (1/3 volume per layer) and for 4 by 8 inch molds, place in two equal layers (1/2 volume ...