I don't have a use for this right now but its interesting anyway. Archive: https://archive.today/JReCB From the post: >>We’re accustomed to covering the use of 3D printing in casting, usually as a lost-PLA former in metal casting. 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, casting an ornamental owl model.