[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster ... you know you need an extruder that has a contained path. [Tom] borrowed a printer, but it didn ...

They form splotches on the outside of buildings, grow in crevices on concrete paths and roads, and even live peacefully on our bodies. Molds are important players in life on Earth. They’re great ...

That’s not the only use of the technique though, and perhaps one of the simplest is to use a 3D-printed mould for casting concrete. It’s what [ArtByAdrock] is doing in their latest video ...