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 ...
Creating silicone molds requires a bit of forethought about the mold design. You want to select ... from getting trapped in the mold. In [Erics] case, it’s impossible to use a simple planar ...