Personal 3D printers have become more accessible than ... you'd be surprised what kind of cool things you could print, whether it's practical household helpers or just some neat junk to give ...

Many 3D printers us a cooling fan right at the tip of the extruder because the faster you faster you cool the extruded filament, the fewer problems you’ll have with drooping and warping.

At best, modern steelworking methods are able to produce a rough visual simulacra of sorts that many still consider to be pretty cool looking. Taking a more serious bent at materials science than ...